| Year |
Citation |
Score |
| 2011 |
Zweifel G, Brown HC. Hydration of Olefins, Dienes, and Acetylenes via Hydroboration Organic Reactions. 1-54. DOI: 10.1002/0471264180.Or013.01 |
0.344 |
|
| 2010 |
Brown HC, Wang KK. Chemical effects of steric strains. Part XXIII. Steric effects as a factor in the stability of addition compounds of amines with 9-borabicyclo[3.3.1]nonane Recueil Des Travaux Chimiques Des Pays-Bas. 98: 117-120. DOI: 10.1002/Recl.19790980318 |
0.406 |
|
| 2010 |
Ramachandran PV, Reddy MVR, Brown HC. ChemInform Abstract: Asymmetric Synthesis of Goniothalamin, Hexadecanolide, Massoia Lactone, and Parasorbic Acid via Sequential Allylboration-Esterification Ring-Closing Metathesis Reactions. Cheminform. 31: no-no. DOI: 10.1002/chin.200021224 |
0.312 |
|
| 2010 |
Brown HC, Chen G, Jennings MP, Ramachandran PV. ChemInform Abstract: Markovnikov Hydroboration of Perfluoroalkylethylenes. Cheminform. 30: no-no. DOI: 10.1002/chin.199943054 |
0.468 |
|
| 2010 |
Brown HC, Murali D, Singaram B. ChemInform Abstract: Boranes in Synthesis. Part 8. Chiral Synthesis via Organoboranes. Part 45. Asymmetric Hydroboration of 1-Cyclopentenol Derivatives Using Diisopinocampheylborane. Synthesis of Optically Active Cyclopentane-1,2-diol Derivatives of High Cheminform. 30: no-no. DOI: 10.1002/chin.199941044 |
0.551 |
|
| 2010 |
RAMACHANDRAN PV, LU Z, BROWN HC. ChemInform Abstract: Efficient General Synthesis of 1,2- and 1,3-Diols in High Enantiomeric Excess via the Intramolecular Asymmetric Reduction of the Corresponding Ketoalkyl Diisopinocampheylborinate Intermediates. Cheminform. 28: no-no. DOI: 10.1002/chin.199723035 |
0.302 |
|
| 2010 |
SOUNDARARAJAN R, LI G, BROWN HC. ChemInform Abstract: Racemic and Diastereoselective Synthesis of Alkyl(1,3-butadien-2-yl) methanols via a Novel Homoallenylboration of Aldehydes with Diisopropyl 2,3-Butadien-1-ylboronate. Cheminform. 26: no-no. DOI: 10.1002/chin.199531068 |
0.329 |
|
| 2010 |
BROWN HC, VASUMATHI N, JOSHI NN. ChemInform Abstract: Organoboranes. Part 56. Systematic Study of the Reactions of 1- Alkenylboronic Esters with Representative Organolithium and Grignard Reagents to Provide an Efficient, Selective Synthesis of Organyl-1- alkenylborinic Esters. Cheminform. 24: no-no. DOI: 10.1002/chin.199331115 |
0.354 |
|
| 2010 |
BROWN HC, DHAR RK, GANESAN K, SINGARAM B. ChemInform Abstract: Enolboration. Part 1. Dicyclohexylchloroborane/Triethylamine as a Convenient Reagent of Ketones and Other Carbonyl Derivatives. Cheminform. 23: no-no. DOI: 10.1002/chin.199224196 |
0.31 |
|
| 2010 |
JOSHI NN, PYUN C, MAHINDROO VK, SINGARAM B, BROWN HC. ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 33. The Controlled Reaction of B-Alkyldiisopinocamphenylboranes with Aldehydes Providing a Convenient Procedure for the Enantiomeric Enrichment of the Boronic Ester Products Through Kinetic Res Cheminform. 23: no-no. DOI: 10.1002/chin.199224046 |
0.303 |
|
| 2010 |
RANGAISHENVI MV, SINGARAM B, BROWN HC. ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 30. Facile Synthesis, by the Matteson Asymmetric Homologation Procedure, of α-Methyl Boronic Acids not Available from Asymmetric Hydroboration and Their Conversion into the Corresponding Aldehy Cheminform. 22: no-no. DOI: 10.1002/chin.199139067 |
0.559 |
|
| 2010 |
BROWN HC, SALUNKHE AM, SINGARAM B. ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 28. Reaction of α- Chiral Organyldichloroboranes with Organyl Azides Providing a Synthesis of Secondary Amines with Exceptionally High Enantiomeric Purities. Cheminform. 22: no-no. DOI: 10.1002/chin.199126136 |
0.328 |
|
| 2007 |
Roy CD, Brown HC. Asymmetric Synthesis using Organoboranes. Relative Effectiveness of the B-Halobis(terpenyl)boranes for the Enantioselective Halogenative Cleavage of Representative meso-Epoxides Australian Journal of Chemistry. 60: 835. DOI: 10.1071/Ch07118 |
0.752 |
|
| 2007 |
Roy CD, Brown HC. Monobromoborane - Dimethyl Sulfide—a Highly Promising Reagent for the Regio- and Chemoselective Brominative Cleavage of Terminal Epoxides into Vicinal Bromohydrins Australian Journal of Chemistry. 60: 139. DOI: 10.1071/Ch06408 |
0.751 |
|
| 2007 |
Roy CD, Brown HC. Stereoisomer-differentiating esterification of diols with methylboronic acid. A simple method for the separation of cis- and trans-1,2-diols Tetrahedron Letters. 48: 1959-1961. DOI: 10.1016/J.Tetlet.2007.01.070 |
0.723 |
|
| 2007 |
Roy CD, Brown HC. A highly regio- and chemoselective synthesis of vicinal bromohydrins by ring opening of terminal epoxides with dibromoborane–dimethyl sulfide Journal of Organometallic Chemistry. 692: 1608-1613. DOI: 10.1016/J.Jorganchem.2006.11.032 |
0.754 |
|
| 2007 |
Roy CD, Brown HC. Stability of boronic esters – Structural effects on the relative rates of transesterification of 2-(phenyl)-1,3,2-dioxaborolane Journal of Organometallic Chemistry. 692: 784-790. DOI: 10.1016/J.Jorganchem.2006.10.013 |
0.761 |
|
| 2007 |
Roy CD, Brown HC. A Comparative Study of the Relative Stability of Representative Chiral and Achiral Boronic Esters Employing Transesterification Monatshefte Fur Chemie. 138: 879-887. DOI: 10.1007/S00706-007-0699-X |
0.759 |
|
| 2007 |
Roy CD, Brown HC. A Study of Transesterification of Chiral (−)-Pinanediol Methylboronic Ester with Various Structurally Modified Diols Monatshefte Fur Chemie. 138: 747-753. DOI: 10.1007/S00706-007-0681-7 |
0.748 |
|
| 2007 |
Brown HC, Zaidlewicz M. From Boron Alkoxides with Mire‐Polar Organometallics Inorganic Reactions and Methods. 23-26. DOI: 10.1002/9780470145241.Ch18 |
0.314 |
|
| 2006 |
Roy CD, Brown HC. Dibromoborane-dimethyl sulfide: A new, mild, chemoselective reagent for the rapid deoxygenation of sulfoxides to sulfides Journal of Chemical Research. 2006: 642-644. DOI: 10.3184/030823406779173622 |
0.742 |
|
| 2006 |
Roy CD, Brown HC. Dimethoxyboron bromide - a new, efficient, regio- and chemoselective reagent for the conversion of terminal epoxides into bromohydrins Journal of Chemical Research. 2006: 639-641. DOI: 10.3184/030823406779173569 |
0.733 |
|
| 2006 |
Roy CD, Brown HC. Asymmetric ring opening of meso-epoxides with B-halobis(2-isocaranyl)boranes 2-dIcr2BX Tetrahedron: Asymmetry. 17: 1931-1936. DOI: 10.1016/J.Tetasy.2006.06.044 |
0.722 |
|
| 2004 |
Ramachandran P, Gong B, Brown HC, Francisco JS. Relationship between the structure and enantioselectivity in the asymmetric reduction of 2′,6′-disubstituted acetophenones with DIP-ChlorideTM. An ab initio study Tetrahedron Letters. 45: 2603-2605. DOI: 10.1016/J.Tetlet.2004.01.146 |
0.331 |
|
| 2004 |
Ramachandran P, Prabhudas B, Chandra J, Reddy MR, Brown HC. Preparative-scale synthesis of both antipodes of B-γ,γ-dimethylallyldiisopinocampheylborane: application for the synthesis of C1–C6 subunit of epothilone Tetrahedron Letters. 45: 1011-1013. DOI: 10.1016/J.Tetlet.2003.11.087 |
0.37 |
|
| 2004 |
Ramachandran PV, Padiya KJ, Rauniyar V, Reddy MVR, Brown HC. Asymmetric Synthesis of 6-(2′,3′,4′,5′,6′-Pentafluorophenyl)-δ-lactones via “Allyl” Boranes: Application for the Synthesis of Fluorinated Analogue of Key Pharmacophore of Statin Drugs. Cheminform. 35. DOI: 10.1016/J.Jfluchem.2004.01.005 |
0.366 |
|
| 2004 |
Ramachandran P, Padiya KJ, Reddy MR, Brown HC. An efficient enantioselective total synthesis of a trifluoromethyl analog of blastmycinolactol Journal of Fluorine Chemistry. 125: 579-583. DOI: 10.1016/J.Jfluchem.2004.01.003 |
0.375 |
|
| 2003 |
Ramachandran PV, Liu H, Ram Reddy MV, Brown HC. Synthesis of homoallylic chiral tertiary alcohols via chelation-controlled diastereoselective nucleophilic addition on alpha-alkoxyketones: application for the synthesis of the C(1)-C(11) subunit of 8-epi-fostriecin. Organic Letters. 5: 3755-7. PMID 14507223 DOI: 10.1021/ol035516c |
0.53 |
|
| 2003 |
Negishi E, Brown HC. Perhydro‐9b‐Boraphenalene and Perhydro‐9b‐Phenalenol Organic Syntheses. 103-103. DOI: 10.1002/0471264180.Os061.23 |
0.457 |
|
| 2003 |
Carlson BA, Brown HC. Boranes in Functionalization of Dienes to Cyclic Ketones: Bicyclo[3.3.1]nonan‐9‐one Organic Syntheses. 24-24. DOI: 10.1002/0471264180.Os058.05 |
0.316 |
|
| 2002 |
Ramachandran PV, Pitre S, Brown HC. Selective reductions. 59. Effective intramolecular asymmetric reductions of alpha-, beta-, and gamma-keto acids with diisopinocampheylborane and intermolecular asymmetric reductions of the corresponding esters with B-chlorodiisopinocampheylborane. The Journal of Organic Chemistry. 67: 5315-9. PMID 12126421 DOI: 10.1021/Jo025594Y |
0.578 |
|
| 2002 |
NEGISHI E, KATZ J, BROWN H. Applications of Thexylmonoalkylboranes to the Stereoselective Synthesis of trans Disubstituted Olefins Synthesis. 1972: 555-556. DOI: 10.1055/S-1972-21922 |
0.552 |
|
| 2002 |
Salunkhe AM, Veeraraghavan Ramachandran P, Brown HC. Selective reductions. Part 60: Chemoselective reduction of organyl azides with dichloroborane–dimethyl sulfide Tetrahedron. 58: 10059-10064. DOI: 10.1016/S0040-4020(02)01322-4 |
0.345 |
|
| 2002 |
Ramachandran P, Zou M, Brown H. Efficient Synthesis of B-Iododialkyl- and B-Alkyldiiodoboranes as Their Acetonitrile Complexes: Application for the Enolboration–Aldolization of Ethyl Ketones Helvetica Chimica Acta. 85: 3027-3032. DOI: 10.1002/1522-2675(200210)85:10<3027::Aid-Hlca3027>3.0.Co;2-H |
0.321 |
|
| 2001 |
Kanth JV, Brown HC. Hydroboration. 97. Synthesis of new exceptional chloroborane--Lewis base adducts for hydroboration. Dioxane--monochloroborane as a superior reagent for the selective hydroboration of terminal alkenes. The Journal of Organic Chemistry. 66: 5359-65. PMID 11485456 DOI: 10.1021/Jo015527O |
0.378 |
|
| 2001 |
Brown HC, Zaidlewicz M, Dalvi PV, Biswas GK. Molecular addition compounds. 18. Borane adducts with hydroxydialkyl sulfide borates for hydroboration. New, essentially odorless, water-soluble sulfide borane acceptors for hydroboration. The Journal of Organic Chemistry. 66: 4795-8. PMID 11442406 DOI: 10.1021/Jo010051U |
0.311 |
|
| 2001 |
Ramachandran PV, Brown HC, Pitre S. Efficient intramolecular asymmetric reductions of alpha-, beta-, and gamma-keto acids with diisopinocampheylborane. Organic Letters. 3: 17-8. PMID 11429859 |
0.487 |
|
| 2001 |
Ram Reddy M, Brown HC, Ramachandran P. Asymmetric allylboration for the synthesis of β-hydroxy-δ-lactone unit of statin drug analogs Journal of Organometallic Chemistry. 624: 239-243. DOI: 10.1016/S0022-328X(01)00665-9 |
0.36 |
|
| 2001 |
Kanth JVB, Periasamy M, Brown HC. ChemInform Abstract: New Economical, Convenient Procedures for the Synthesis of Catecholborane. Cheminform. 32: no-no. DOI: 10.1002/chin.200115169 |
0.653 |
|
| 2000 |
Kanth JV, Brown HC. Improved procedures for the generation of diborane from sodium borohydride and boron trifluoride. Inorganic Chemistry. 39: 1795-802. PMID 12526571 DOI: 10.1021/ic0000911 |
0.305 |
|
| 2000 |
Zaidlewicz M, Kanth JV, Brown HC. Molecular addition compounds. 17. Borane and chloroborane adducts with organic sulfides for hydroboration The Journal of Organic Chemistry. 65: 6697-702. PMID 11052121 DOI: 10.1021/Jo0009090 |
0.403 |
|
| 2000 |
Kanth JVB, Periasamy M, Brown HC. New Economical, Convenient Procedures for the Synthesis of Catecholborane† Organic Process Research & Development. 4: 550-553. DOI: 10.1021/Op000291W |
0.373 |
|
| 2000 |
Chen G, Brown HC. An Efficient Synthesis ofN-Unsubstituted Imines as Organoborane Adducts Stable at Room Temperature: New Promising Intermediates for Synthesis Journal of the American Chemical Society. 122: 4217-4218. DOI: 10.1021/Ja993965V |
0.36 |
|
| 2000 |
Murali D, Singaram B, Brown HC. Asymmetric hydroboration of [E]- and [Z]-2-methoxy-2-butenes. Synthesis of (-)-[2R,3R]-butane-2,3-diol in >97% ee Tetrahedron Asymmetry. 11: 4831-4834. DOI: 10.1016/S0957-4166(00)00485-7 |
0.511 |
|
| 1999 |
Brown HC, Chen GM, Jennings MP, Ramachandran PV. Markovnikov Hydroboration of Perfluoroalkylethylenes. Angewandte Chemie (International Ed. in English). 38: 2052-2054. PMID 34182668 DOI: 10.1002/(SICI)1521-3773(19990712)38:13/14<2052::AID-ANIE2052>3.0.CO;2-9 |
0.682 |
|
| 1999 |
Chen GM, Ramachandran PV, Brown HC. The Critical Importance of Water in the Asymmetric Allylboration of N-Trimethylsilylbenzaldimines with B-Allyldiisopinocampheylborane. Angewandte Chemie (International Ed. in English). 38: 825-826. PMID 29711807 DOI: 10.1002/(Sici)1521-3773(19990315)38:6<825::Aid-Anie825>3.0.Co;2-V |
0.533 |
|
| 1999 |
Chen GM, Brown HC, Ramachandran PV. Chiral Synthesis via Organoboranes. 46. An Efficient Preparation of Chiral Pyridino- and Thiopheno-18-crown-6 Ligands from Enantiomerically Pure C(2)-Symmetric Pyridine- and Thiophenediols(1). The Journal of Organic Chemistry. 64: 721-725. PMID 11674138 DOI: 10.1021/Jo980899R |
0.585 |
|
| 1999 |
Brown HC, Kanth JVB, Zaidlewicz M. Molecular Addition Compounds. 13.N,N-Diisopropyl-N-isobutylamine−Borane: The First Highly Reactive Trialkylamine−Borane Reagent for Hydroborations Organometallics. 18: 1310-1317. DOI: 10.1021/Om980629Z |
0.313 |
|
| 1999 |
Brown HC, Zaidlewicz M, Dalvi PV, Narasimhan S, Mukhopadhyay A. Molecular Addition Compounds. 12. Borane Adducts of Trialkylamines with Isopropyl and Isobutyl Groups of Intermediate Steric Requirements for Hydroboration Organometallics. 18: 1305-1309. DOI: 10.1021/Om9806287 |
0.316 |
|
| 1999 |
Kanth JVB, Brown HC. Dioxane−Monochloroborane: A New and Highly Reactive Hydroborating Reagent with Exceptional Properties Organic Letters. 1: 315-318. DOI: 10.1021/Ol990639B |
0.391 |
|
| 1999 |
Brown HC, Kanth JV, Zaidlewicz M. Molecular addition compounds. 14. Convenient preparations of representative dialkylborane reagents using the new, highly reactive N-ethyl-N-isopropylaninine-borane reagent (BACH-EI™) Tetrahedron. 55: 5991-6000. DOI: 10.1016/S0040-4020(99)00272-0 |
0.31 |
|
| 1999 |
Brown HC, Murali D, Singaram B. Chiral synthesis via organoboranes. 45. Asymmetric hydroboration of 1-cyclopentenol derivatives using diisopinocampheylborane. Synthesis of optically active cyclopentane-1,2-diol derivatives of high optical purity Journal of Organometallic Chemistry. 581: 116-121. DOI: 10.1016/S0022-328X(99)00047-9 |
0.571 |
|
| 1999 |
Brown HC, Chen G, Jennings MP, Ramachandran PV. Markovnikov Hydroboration of Perfluoroalkylethylenes Angewandte Chemie International Edition. 38: 2052-2054. DOI: 10.1002/(SICI)1521-3773(19990712)38:13/14<2052::AID-ANIE2052>3.0.CO;2-9 |
0.466 |
|
| 1999 |
Brown HC, Chen G, Jennings MP, Ramachandran PV. Markownikow-Hydroborierung von Perfluoralkylethylenen Angewandte Chemie. 111: 2088-2090. DOI: 10.1002/(Sici)1521-3757(19990712)111:13/14<2088::Aid-Ange2088>3.0.Co;2-B |
0.494 |
|
| 1998 |
Brown HC, Kulkarni SV, Racherla US, Dhokte UP. Chiral Synthesis via Organoboranes. 47. Efficient Synthesis of Unsymmetrical Ketones and Enantiomerically Pure Spiroketals Using (+/-)-Isopinocampheyldichloroborane. The Journal of Organic Chemistry. 63: 7030-7036. PMID 11672329 DOI: 10.1021/Jo980989W |
0.774 |
|
| 1998 |
Dhokte UP, Brown HC. Hydroboration. 96. Synthesis and Chemistry of Sterically Modified α-Pinene-Related 2-Organylapoisopinocampheylchloro- and -bromoboranes, Potentially Valuable for Asymmetric Hydroboration Organometallics. 17: 2891-2896. DOI: 10.1021/Om980172T |
0.329 |
|
| 1998 |
Dhokte UP, Pathare PM, Mahindroo VK, Brown HC. Chiral Synthesis via Organoboranes. 48. Efficient Synthesis ofTrans-Fused Bicyclic and Cyclic Ketones and Secondary Alcohols in High Optical Purities via Asymmetric Cyclic Hydroboration with Isopinocampheylchloroborane Etherate The Journal of Organic Chemistry. 63: 8276-8283. DOI: 10.1021/Jo981040C |
0.46 |
|
| 1998 |
Brown HC, Kanth JVB, Zaidlewicz M. Molecular Addition Compounds. 11.N-Ethyl-N-isopropylaniline−Borane, A Superior Reagent for Hydroborations and Reductions The Journal of Organic Chemistry. 63: 5154-5163. DOI: 10.1021/Jo980362D |
0.365 |
|
| 1998 |
Brown HC, Roy CD. Dibromoborane-Dimethyl Sulfide and Monobromoborane-Dimethyl Sulfide as Superior Reagents for the Opening of Oxiranes to Bromohydrins Molecules Online. 2: 114-120. DOI: 10.1007/S007830050066 |
0.741 |
|
| 1997 |
Dhokte UP, Brown HC. Hydroboration. 94. Rates of Hydroboration of 2-Organylapopinenes with 9-Borabicyclo[3.3.1]nonane, ProvidingB-(2-Organylapoisopinocampheyl)-9-borabicyclo[3.3.1]nonanes, Potentially Valuable for the Asymmetric Reduction of Prochiral Ketones The Journal of Organic Chemistry. 62: 865-869. DOI: 10.1021/Jo9617169 |
0.318 |
|
| 1997 |
Ramachandran P, Xu W, Brown HC. B,B-dihaloterpenylboranes as reagents for the diastereo- and enantioselective synthesis of syn-aldols Tetrahedron: Asymmetry. 8: 1379-1382. DOI: 10.1016/S0957-4166(97)00138-9 |
0.347 |
|
| 1997 |
Ramachandran P, Lu Z, Brown* HC. Efficient Syntheses of 2-Isopinocampheyl- and Related 2-Terpenyl-1,3,2-dioxaboroles from 1,2-Dicarbonyls and 2-Hydroxyketones Tetrahedron Letters. 38: 2421-2424. DOI: 10.1016/S0040-4039(97)00420-6 |
0.399 |
|
| 1997 |
Ramachandran P, Chen G, Brown* HC. Efficient Synthesis of Enantiomerically Pure C2-Symmetric Diols via the Allylboration of Appropriate Dialdehydes Tetrahedron Letters. 38: 2417-2420. DOI: 10.1016/S0040-4039(97)00414-0 |
0.386 |
|
| 1997 |
Ramachandran P, Malhotra SV, Brown HC. Rate enhancing effect of hydrogen chloride and methanesulfonic acid on the intramolecular asymmetric reduction of 0-aminoaceto- and -benzophenones with diisopinocampheylborane Tetrahedron Letters. 38: 957-960. DOI: 10.1016/S0040-4039(96)02489-6 |
0.311 |
|
| 1997 |
Veeraraghavan Ramachandran P, Xu W, Brown HC. B,B-Dihaloalkylboranes as efficient reagents for the stereoselective synthesis of syn-aldols Tetrahedron Letters. 38: 769-772. DOI: 10.1016/S0040-4039(96)02448-3 |
0.321 |
|
| 1997 |
Ramachandran P, Lu Z, Brown HC. Efficient general synthesis of 1,2- and 1,3-diols in high enantiomeric excess via the intramolecular asymmetric reduction of the corresponding ketoalkyl diisopinocampheylborinate intermediates Tetrahedron Letters. 38: 761-764. DOI: 10.1016/S0040-4039(96)02447-1 |
0.435 |
|
| 1997 |
Brown HC, Roy CD, Soundararajan R. A simple, convenient, general procedure for the synthesis of 2-alkyn-1-ylboronates Tetrahedron Letters. 38: 765-768. DOI: 10.1016/S0040-4039(96)02412-4 |
0.754 |
|
| 1997 |
Brown HC, Chen G, Ramachandran PV. Organoboranes for synthesis. 18. C2-symmetric ?,??-disubstituted-2,6-pyridinedimethanols as catalytic chiral ligands for the enantioselective nucleophilic addition of diethylzinc to aldehydes Chirality. 9: 506-511. DOI: 10.1002/(Sici)1520-636X(1997)9:5/6<506::Aid-Chir17>3.0.Co;2-S |
0.329 |
|
| 1996 |
Dhokte UP, Brown HC. Hydroboration. 93. Convenient Conversion of Optically Pure 2-Organylapopinenes into the (2-Organylapoisopinyl)dihaloboranes Potentially Valuable for Asymmetric Synthesis via Chiral Organoboranes Organometallics. 15: 3504-3508. DOI: 10.1021/Om960240G |
0.368 |
|
| 1996 |
Kulkarni SV, Brown HC. Hydroboration. 92. Investigation of Practical Methods for the Synthesis of Optically Pure Isopinocampheylchloroborane for the Asymmetric Hydroboration of Representative Prochiral Alkenes The Journal of Organic Chemistry. 61: 5140-5148. DOI: 10.1021/Jo960562U |
0.424 |
|
| 1996 |
Soundararajan R, Li G, Brown HC. Chiral SynthesisviaOrganoboranes. 44. Racemic and Diastereo- and Enantioselective Homoallenylboration Using Dialkyl 2,3-Butadien-1-ylboronate Reagents. Another Novel Application of the Tandem Homologation−Allylboration Strategy The Journal of Organic Chemistry. 61: 100-104. DOI: 10.1021/Jo9513976 |
0.47 |
|
| 1996 |
Ramachandran PV, Rangaishenvi MV, Singaram B, Goralski CT, Brown HC. Organoboranes for Synthesis. 16. A Convenient Synthesis of Enantiomerically Pure Isopinocampheylamine, a Chiral Derivatizing Agent for Gas Chromatographic Analysis of Optically Active Carboxylic Acids The Journal of Organic Chemistry. 61: 341-345. DOI: 10.1021/Jo9512158 |
0.553 |
|
| 1996 |
Ramachandran PV, Chen G, Brown HC. Chiral Synthesis via Organoboranes. 43. Selective Reductions. 58. Reagent-Controlled Diastereoselective Reduction of (+)- and(−)-α-Chiral Ketones with (+)- and (−)-B-Chlorodiisopinocampheylborane The Journal of Organic Chemistry. 61: 95-99. DOI: 10.1021/Jo951207R |
0.361 |
|
| 1996 |
Ramachandran PV, Chen G, Brown HC. Chiral Synthesis via Organoboranes. 42. Selective Reductions. 57. Efficient Kinetic Resolution of Representative α-Tertiary Ketones withB-Chlorodiisopinocampheylborane The Journal of Organic Chemistry. 61: 88-94. DOI: 10.1021/Jo951206Z |
0.347 |
|
| 1996 |
Brown HC, Malhotra SV, Ramachandran P. Organoboranes for synthesis 17. Generality of hydroboration-amination for the conversion of terpenes into enantiomerically pure terpenylamines. Their utility for gas chromatographic analysis of chiral carboxylic acids Tetrahedron: Asymmetry. 7: 3527-3534. DOI: 10.1016/S0957-4166(96)00460-0 |
0.372 |
|
| 1996 |
Dhokte UP, Soundararajan R, Ramachandran P, Brown HC. A general, efficient, convenient synthesis of chiral bis(terpenyl)haloborane reagents, valuable for asymmetric synthesis via organoboranes Tetrahedron Letters. 37: 8345-8348. DOI: 10.1016/0040-4039(96)01908-9 |
0.439 |
|
| 1996 |
Ramachandran P, Xu W, Brown HC. Contrasting steric effects of the ketones and aldehydes in the reactions of the diisopinocampheyl enolborinates of methyl ketones with aldehydes Tetrahedron Letters. 37: 4911-4914. DOI: 10.1016/0040-4039(96)00969-0 |
0.409 |
|
| 1996 |
Kulkarni SV, Brown HC. Highly enantioselective synthesis of alky- and aryl-substituted α-allenic alcohols Tetrahedron Letters. 37: 4125-4128. DOI: 10.1016/0040-4039(96)00821-0 |
0.366 |
|
| 1996 |
Ramachandran P, Chen G, Lu Z, Brown HC. An efficient preparation of optically pure C2-symmetric aromatic diols by the asymmetric reduction of diacylaromatic compounds with B-chlorodiisopinocampheylborane Tetrahedron Letters. 37: 3795-3798. DOI: 10.1016/0040-4039(96)00708-3 |
0.323 |
|
| 1996 |
Ramachandran P, Chen G, Brown HC. Efficient general asymmetric syntheses of 3-substituted 1(3H)-isobenzofuranones in very high enantiomeric excess Tetrahedron Letters. 37: 2205-2208. DOI: 10.1016/0040-4039(96)00260-2 |
0.322 |
|
| 1995 |
Brown HC, Khire UR, Narla G. B-(.gamma.-(Trimethylsilyl)propargyl)diisopinocampheylborane: A New, Highly Efficient Reagent for the Enantioselective Propargylboration of Aldehydes. Synthesis of Trimethylsilyl-Substituted and Parent .alpha.-Allenic Alcohols in High Optical Purity The Journal of Organic Chemistry. 60: 8130-8131. DOI: 10.1021/Jo00130A007 |
0.339 |
|
| 1995 |
Brown HC, Narla G. [(E)-.gamma.-(1,3,2-Dioxaborinanyl)allyl]diisopinocampheylborane, an Exceptional Reagent for the Stereo- and Enantioselective Synthesis of anti- 1-Alkene-3,4-diols via a Masked .alpha.-Hydroxyallylboration The Journal of Organic Chemistry. 60: 4686-4687. DOI: 10.1021/Jo00120A005 |
0.321 |
|
| 1995 |
Brown HC, Khire UR, Narla G, Racherla US. Organoboranes for Synthesis. 15. B-Allenyl-9-BBN: A Highly Regiospecific and Chemoselective Reagent for Allenylboration of Representative Carbonyl Compounds, Leading to Homopropargylic Alcohols and Amines The Journal of Organic Chemistry. 60: 544-549. DOI: 10.1021/Jo00108A014 |
0.333 |
|
| 1995 |
Ramachandran PV, Gong B, Brown HC. Chiral Synthesis via Organoboranes. 40. Selective Reductions. 55. A Simple One-Pot Synthesis of the Enantiomers of Trifluoromethyloxirane. A General Synthesis in High Optical Purities of .alpha.-Trifluoromethyl Secondary Alcohols via the Ring-Cleavage Reactions of the Epoxide The Journal of Organic Chemistry. 60: 41-46. DOI: 10.1021/Jo00106A012 |
0.424 |
|
| 1995 |
Soundararajan R, Li G, Brown HC. Racemic and diastereoselective synthesis of alkyl(1,3-butadien-2-yl)methanols via a novel homoallenylboration of aldehydes with diisopropyl 2,3-butadien-1-ylboronate Tetrahedron Letters. 36: 2441-2444. DOI: 10.1016/0040-4039(95)00311-Y |
0.315 |
|
| 1995 |
Brown HC, Veeraraghavan Ramachandran P. Versatile α-pinene-based borane reagents for asymmetric syntheses Journal of Organometallic Chemistry. 500: 1-19. DOI: 10.1016/0022-328X(95)00509-O |
0.473 |
|
| 1995 |
Brown HC, Ramachandran PV, Chandrasekharan J. Selective reductions. 56. Exploration of theB-haloisopinocampheylboranes for asymmetric reduction of ketones Heteroatom Chemistry. 6: 117-131. DOI: 10.1002/Hc.520060206 |
0.369 |
|
| 1995 |
Ramachandran PV, Gong B, Brown HC. Chiral synthesis via organoboranes. 41. The utility ofB-chlorodiisopinocampheylborane for a general synthesis of enantiomerically pure drugs Chirality. 7: 103-110. DOI: 10.1002/Chir.530070209 |
0.357 |
|
| 1994 |
Ganesan K, Brown HC. Enolboration. 7. Dicyclohexyliodoborane, a Highly Stereoselective Reagent for the Enolboration of Tertiary Amides. Effects of Solvent and Aldolization Temperature on Stereochemistry in Achieving the Stereoelective Synthesis of either Syn or Anti Aldols The Journal of Organic Chemistry. 59: 7346-7352. DOI: 10.1021/Jo00103A028 |
0.322 |
|
| 1994 |
Brown HC, Dhokte UP. Hydroboration of Terpenes. 11. Convenient Method for Upgrading 2-Organylapopinenes to High Optical Purity by Reaction of 2-Organylapoisopinocampheylboranes with Suitable Dienes Followed by Displacement with Acetaldehyde The Journal of Organic Chemistry. 59: 5479-5482. DOI: 10.1021/Jo00097A065 |
0.346 |
|
| 1994 |
Brown HC, Dhokte UP. Hydroboration. 91. Improved Procedure for the Synthesis of Optically Pure Bis-adducts,N,N,N,'N'-Tetramethylethylenediamine.cntdot.2-organylapoisopinocampheylboranes, from the Corresponding 2-Organylapopinenes of Lower Optical Purity. Conversion of These Adducts into 2-Organylapoisopinocampheylboranes, Useful Asymmetric Hydroborating Reagents The Journal of Organic Chemistry. 59: 2365-2369. DOI: 10.1021/Jo00088A016 |
0.346 |
|
| 1994 |
Ganesan K, Brown HC. Enolboration. 6. Dicyclohexyliodoborane, a Versatile Reagent for the Stereoselective Synthesis of Either Z or E Enolates from Representative Esters Journal of Organic Chemistry. 59: 2336-2340. DOI: 10.1021/Jo00088A012 |
0.386 |
|
| 1994 |
Brown HC, Dhokte UP. Hydroboration. 90. Synthesis of 2-Isobutyl- and 2-Isopropylapopinenes. Rates and Stoichiometry of the Hydroboration of 2-Organylapopinenes with Borane-Methyl Sulfide and Borane-Tetrahydrofuran The Journal of Organic Chemistry. 59: 2025-2032. DOI: 10.1021/Jo00087A016 |
0.371 |
|
| 1994 |
Brown HC, Kulkarni SV, Racherla US. Chiral Synthesis via Organoboranes. 39. A Facile Synthesis of .gamma.-Substituted-.gamma.-butyrolactones in Exceptionally High Enantiomeric Purity The Journal of Organic Chemistry. 59: 365-369. DOI: 10.1021/Jo00081A014 |
0.382 |
|
| 1994 |
Ramachandran P, Teodorovic' AV, Gong B, Brown HC. Selective reductions. 53. Asymmetric reduction of α-fluoromethyl ketones with B-chlorodiisopinocampheylborane and B-isopinocampheyl-9-borabicyclo[3.3.1]nonane. Combined electronic and steric contributions to the enantiocontrol process Tetrahedron: Asymmetry. 5: 1075-1086. DOI: 10.1016/0957-4166(94)80057-X |
0.362 |
|
| 1994 |
Ramachandran P, Gong B, Teodorovic' AV, Brown HC. Selective reductions. 52. Efficient asymmetric reduction of α-acetylenic α′-fluoroalkyl ketones with either B-chlorodiisopinocampheylborane or B-isopinocampheyl-9-borabicyclo[3.3.1]nonane in high enantiomeric purity. The influence of fluoro groups in such reductions Tetrahedron: Asymmetry. 5: 1061-1074. DOI: 10.1016/0957-4166(94)80056-1 |
0.373 |
|
| 1994 |
Soundararajan R, Li G, Brown HC. Homologation of representative boronic esters using in situ generated (halomethyl)lithiums: A comparative study Tetrahedron Letters. 35: 8957-8960. DOI: 10.1016/0040-4039(94)88399-8 |
0.302 |
|
| 1993 |
Brown HC, Vasumathi N, Joshi NN. Organoboranes. 56. Systematic study of the reactions of 1-alkenylboronic esters with representative organolithium and Grignard reagents to provide an efficient, selective synthesis of organyl-1-alkenylborinic esters Organometallics. 12: 1058-1067. DOI: 10.1021/Om00028A021 |
0.432 |
|
| 1993 |
Ganesan K, Brown HC. Enolboration. 5. An Examination of the Effects of Amine, Solvent, and Other Reaction Parameters on the Stereoselective Enolboration of Ketones with Various Chx sub 2 BX Reagents. An Optimized Procedure to Achieve the Stereoselective Synthesis of E Enol Borinates from Representative Ketones Using Chx sub 2 BC1/Et sub 3 N Journal of Organic Chemistry. 58: 7162-7169. DOI: 10.1021/Jo00077A046 |
0.334 |
|
| 1993 |
Brown HC, Jayaraman S. Organoboranes. 57. Relative efficacy of representative lithium dialkylamide bases for the in situ metalation of allyl chloride to produce (.alpha.-chloroallyl)lithium. Application of the reagent to B-alkoxy-9-borabicyclononanes producing new routes to interesting cyclooctane derivatives The Journal of Organic Chemistry. 58: 6791-6794. DOI: 10.1021/Jo00076A046 |
0.359 |
|
| 1993 |
Cha JS, Brown HC. Exceptionally facile reduction of acid chlorides to aldehydes by sodium tri-tert-butoxyaluminohydride The Journal of Organic Chemistry. 58: 4732-4734. DOI: 10.1021/Jo00069A043 |
0.326 |
|
| 1993 |
Cha JS, Brown HC. Reaction of sodium aluminum hydride with selected organic compounds containing representative functional groups. Comparison of the reducing characteristics of lithium and sodium aluminum hydrides The Journal of Organic Chemistry. 58: 4727-4731. DOI: 10.1021/Jo00069A042 |
0.353 |
|
| 1993 |
Cha JS, Brown HC. Reaction of aluminum hydride-triethylamine complex with selected organic compounds containing representative functional groups The Journal of Organic Chemistry. 58: 3974-3979. DOI: 10.1021/Jo00067A033 |
0.323 |
|
| 1993 |
Schwier JR, Brown HC. Hydroboration. 89. Preparation of Diborane, a sterically hindered monoalkylborane. Comparison with thexylborane Journal of Organic Chemistry. 58: 1546-1552. DOI: 10.1021/Jo00058A041 |
0.372 |
|
| 1993 |
Brown HC, Ganesan K, Dhar RK. Enolboration. 4. An examination of the effect of the leaving group (X) on the stereoselective enolboration of ketones with various R2BX/triethylamine. New reagents for the selective generation of either Z or E enol borinates from representative ketones The Journal of Organic Chemistry. 58: 147-153. DOI: 10.1021/Jo00053A028 |
0.374 |
|
| 1993 |
Brown HC, Mahindroo VK. Chiral synthesis via organoboranes. 37. Enantioselective synthesis of conjugated acyclic α-chiral (E)-alkenones Tetrahedron: Asymmetry. 4: 59-68. DOI: 10.1016/S0957-4166(00)86015-2 |
0.379 |
|
| 1993 |
Brown HC, Salunkhe AM. A stereoselective synthesis of (±)-trans-cycloalkanopiperidines and cycloalkanopyrrolidines via hydroboration Tetrahedron Letters. 34: 1265-1268. DOI: 10.1016/S0040-4039(00)91770-2 |
0.429 |
|
| 1993 |
Veeraraghavan Ramachandran P, Teodorovic' AV, Brown HC. Chiral synthesis via organoboranes. 38. Selective reductions. 48. Asymmetric reduction of trifluoromethyl ketones by B-chlorodiisopinocampheylborane in high enantiomeric purity Tetrahedron. 49: 1725-1738. DOI: 10.1016/S0040-4020(01)80530-5 |
0.37 |
|
| 1992 |
Brown HC, Salunkhe AM, Argade AB. Organoboranes. 55. Improved procedure for the conversion of representative achiral and chiral alkyl-, (E)-1-alkenyl and (Z)-1-alkenyl-, and arylboronates into the corresponding organyldichloroboranes Organometallics. 11: 3094-3097. DOI: 10.1021/Om00045A025 |
0.33 |
|
| 1992 |
Brown HC, Rangaishenvi MV, Jayaraman S. Organoboranes. 54. Exploration of the reactions of (.alpha.-haloallyl)lithium with organoborane derivatives. Simple and convenient procedure for the synthesis of three-carbon homologated boronate esters and terminal alkenes Organometallics. 11: 1948-1954. DOI: 10.1021/Om00041A029 |
0.42 |
|
| 1992 |
Brown HC, Racherla US, Liao Y, Khanna VV. Chiral synthesis via organoboranes. 35. Simple procedures for the efficient recycling of the terpenyl chiral auxiliaries and convenient isolation of the homoallylic alcohols in asymmetric allyl- and crotylboration of aldehydes The Journal of Organic Chemistry. 57: 6608-6614. DOI: 10.1021/Jo00050A044 |
0.325 |
|
| 1992 |
Brown HC, Kulkarni SV, Khanna VV, Patil VD, Racherla US. Organoboranes for synthesis. 14. Convenient procedures for the direct oxidation of organoboranes from terminal alkenes to carboxylic acids The Journal of Organic Chemistry. 57: 6173-6177. DOI: 10.1021/Jo00049A024 |
0.311 |
|
| 1992 |
Brown HC, Ganesan K, Dhar RK. Enolboration. 3. An examination of the effect of variable steric requirements of R on the stereoselective enolboration of ketones with R2BCl/Et3N. Bis(bicyclo[2.2.2]octyl)chloroborane/triethylamine, a new reagent which achieves the selective generation of E enolborinates from representative ketones The Journal of Organic Chemistry. 57: 3767-3772. DOI: 10.1021/Jo00040A009 |
0.375 |
|
| 1992 |
Brown HC, Dhar RK, Ganesan K, Singaram B. Enolboration. 2. Dicyclohexylchloroborane/triethylamine as a convenient reagent for regio- and stereoselective enolboration of representative classes of ketones The Journal of Organic Chemistry. 57: 2716-2721. DOI: 10.1021/Jo00035A033 |
0.602 |
|
| 1992 |
Ramachandran PV, Teodorovic AV, Rangaishenvi MV, Brown HC. Chiral synthesis via organoboranes. 34. Selective reductions. 47. Asymmetric reduction of hindered .alpha.,.beta.-acetylenic ketones with B-chlorodiisopinocampheylborane to propargylic alcohols of very high enantiomeric excess. Improved workup procedure for the isolation of product alcohols The Journal of Organic Chemistry. 57: 2379-2386. DOI: 10.1021/Jo00034A034 |
0.386 |
|
| 1992 |
Joshi NN, Pyun C, Mahindroo VK, Singaram B, Brown HC. Chiral synthesis via organoboranes. 33. The controlled reaction of B-alkyldiisopinocampheylboranes with aldehydes providing a convenient procedure for the enantiomeric enrichment of the boronic ester products through kinetic resolution The Journal of Organic Chemistry. 57: 504-511. DOI: 10.1021/Jo00028A021 |
0.646 |
|
| 1992 |
Brown HC, Dhar RK, Ganesan K, Singaram B. Enolboration. 1. Dicyclohexylchloroborane/triethylamine as a convenient reagent for enolboration of ketones and other carbonyl derivatives The Journal of Organic Chemistry. 57: 499-504. DOI: 10.1021/Jo00028A020 |
0.615 |
|
| 1992 |
Brown HC, Iyer RR, Bhat NG, Racherla US, Brown CA. Organoboranes for synthesis. 13. Simple, efficient syntheses of long-chain alcohols and carboxylic acids. Tetrahedron. 48: 9187-9194. DOI: 10.1016/S0040-4020(01)85609-X |
0.309 |
|
| 1991 |
Rangaishenvi MV, Singaram B, Brown HC. Chiral synthesis via organoboranes. 30. Facile synthesis, by the Matteson asymmetric homologation procedure, of .alpha.-methyl boronic acids not available from asymmetric hydroboration and their conversion into the corresponding aldehydes, ketones, carboxylic acids, and amines of high enantiomeric purity Journal of Organic Chemistry. 56: 3286-3294. DOI: 10.1021/Jo00010A022 |
0.627 |
|
| 1991 |
Singaram B, Rangaishenvi MV, Brown HC, Goralski CT, Hasha DL. Hydroboration. 86. Convenient conversion of aldehydes and ketones into the corresponding alkenes via hydroboration of their enamines. A remarkably simple synthesis of either (Z)- or (E)-alkenes Journal of Organic Chemistry. 56: 1543-1549. DOI: 10.1021/Jo00004A038 |
0.65 |
|
| 1991 |
Brown HC, Mahindroo VK, Bhat NG, Singaram B. Chiral synthesis via organoboranes. 29. A general synthesis of .alpha.-chiral monosubstituted acetylenes and their trimethylsilyl derivatives from enantiomerically pure boronic esters The Journal of Organic Chemistry. 56: 1500-1505. DOI: 10.1021/Jo00004A030 |
0.605 |
|
| 1991 |
Brown HC, Salunkhe AM, Singaram B. Chiral synthesis via organoboranes. 28. Reaction of .alpha.-chiral organyldichloroboranes with organyl azides providing a synthesis of secondary amines with exceptionally high enantiomeric purities The Journal of Organic Chemistry. 56: 1170-1175. DOI: 10.1021/Jo00003A046 |
0.61 |
|
| 1991 |
Racherla US, Brown HC. Chiral synthesis via organoboranes. 27. Remarkably rapid and exceptionally enantioselective (approaching 100% ee) allylboration of representative aldehydes at -100.degree. under new, salt-free conditions The Journal of Organic Chemistry. 56: 401-404. DOI: 10.1021/Jo00001A072 |
0.334 |
|
| 1991 |
Brown HC, Iyer RR, Mahindroo VK, Bhat N. Chiral synthesis via organoboranes. 31. A simple synthesis of enantiomerically pure (Z)- and (E)-Alkenes, (Z)-RCHCHR* and (E)-RCHCHR* Tetrahedron: Asymmetry. 2: 277-286. DOI: 10.1016/S0957-4166(00)80049-X |
0.356 |
|
| 1991 |
Brown HC, Veeraraghavan Ramachandran P, Teodorovic' AV, Swaminathan S. B-Chlorodiiso-2-ethylapopinocampheylborane — an extremely efficient chiral reducing agent for the reduction of prochiral ketones of intermediate steric requirements Tetrahedron Letters. 32: 6691-6694. DOI: 10.1016/S0040-4039(00)93576-7 |
0.366 |
|
| 1990 |
Srebnik M, Cole TE, Brown HC. Hydroboration. 87. Controlled and sequential hydroboration of simple representative alkenes with methylborane in tetrahydrofuran. An examination of the directive effects in the first and second stages of hydroboration The Journal of Organic Chemistry. 55: 5051-5058. DOI: 10.1021/Jo00304A017 |
0.385 |
|
| 1990 |
Brown HC, Weissman SA, Perumal PT, Dhokte UP. Hydroboration. 85. Synthesis and hydroboration of (-)-2-phenylapopinene. Comparison of mono(2-phenylapoisopinocampheyl)borane with its 2-methyl and 2-ethyl analogs for the chiral hydroboration of representative alkenes The Journal of Organic Chemistry. 55: 1217-1223. DOI: 10.1021/Jo00291A021 |
0.391 |
|
| 1990 |
Brown HC, Randad RS, Bhat KS, Zaidlewicz M, Racherla US. Chiral synthesis via organoboranes. 24. B-allylbis(2-isocaranyl)borane as a superior reagent for the asymmetric allylboration of aldehydes Journal of the American Chemical Society. 112: 2389-2392. DOI: 10.1021/Ja00162A047 |
0.354 |
|
| 1990 |
Ramachandran P, Brown HC, Swaminathan S. Lithium-B-Iso-2-ethylapopinocampheyl-9-borabicyclo[3.3.1]nonyl hydride as an improved reagent for asymmetric reduction of unhindered aliphatic ketones. Further evidence for the improved enantioselectivity in reductions by reagents containing increased steric requirements at the 2-position of the apopinene structure Tetrahedron: Asymmetry. 1: 433-436. DOI: 10.1016/S0957-4166(00)86346-6 |
0.39 |
|
| 1990 |
Brown HC, Rangaishenvi MV. A simple procedure for the synthesis of three-carbon homologated boronate esters and terminal alkenes via nucleopbilic displacement in α-haloallylboronate ester Tetrahedron Letters. 31: 7115-7118. DOI: 10.1016/S0040-4039(00)97255-1 |
0.384 |
|
| 1990 |
Brown HC, Rangaishenvi MV. Successful application of α-haloallyllithium for a simple, convenient preparation of α-haloallylboronate ester Tetrahedron Letters. 31: 7113-7114. DOI: 10.1016/S0040-4039(00)97254-X |
0.32 |
|
| 1990 |
Brown HC, Randad RS. Chiral synthesis VIA organoboranes. 26. An efficient synthesis of isoprenyl derivatives of borane - valuable reagents for the isoprenylboration of aldehydes. A convenient route to both enantiomers of ipsenol and ipsdienol in high optical purity Tetrahedron. 46: 4463-4472. DOI: 10.1016/S0040-4020(01)85575-7 |
0.392 |
|
| 1990 |
Brown HC, Randad RS. Chiral synthesis via organoboranes. 25. B-(Z and E)-crotylbis-(2-isocaranyl)boranes as valuable reagents for the asymmetric crotylboration of aldehydes Tetrahedron. 46: 4457-4462. DOI: 10.1016/S0040-4020(01)85574-5 |
0.357 |
|
| 1990 |
BROWN HC, LAROCK RC, GUPTA SK, RAJAGOPALAN S, BHAT NG. ChemInform Abstract: Vinylic Organoboranes. Part 15. Mercuration of 2-Alkenyl-1,3,2-benzodioxaboroles and Boronic Acids. A Convenient Stereospecific Procedure for the Conversion of Alkynes into E-1-Halo-1-alkenes via Mercuric Salts. Cheminform. 21. DOI: 10.1002/chin.199021101 |
0.439 |
|
| 1990 |
BROWN HC, BLUE CD, NELSON DJ, BHAT NG. ChemInform Abstract: Vinylic Organoboranes. Part 12. Synthesis of Z-1-Halo-1-alkenes via Hydroboration of 1-Halo-1-alkynes Followed by Protonolysis. Cheminform. 21. DOI: 10.1002/chin.199021090 |
0.553 |
|
| 1989 |
Srebnik M, Cole TE, Ramachandran PV, Brown HC. Hydroboration. 84. Controlled and sequential hydroboration of simple representative alkenes with monoorganylboranes in tetrahydrofuran. A convenient synthesis of mixed borinic esters, R1R2BOR3, and mixed trialkylboranes, R1R2R3B. An examination of positional selectivity in the first and second states of hydroboration The Journal of Organic Chemistry. 54: 6085-6096. DOI: 10.1021/Jo00287A021 |
0.314 |
|
| 1989 |
Brown HC, Larock RC, Gupta SK, Rajagopalan S, Bhat NG. Vinylic organoboranes. 15. Mercuration of 2-alkenyl-1,3,2-benzodioxaboroles and boronic acids. A convenient stereospecific procedure for the conversion of alkynes into (E)-1-halo-1-alkenes via mercuric salts The Journal of Organic Chemistry. 54: 6079-6084. DOI: 10.1021/Jo00287A020 |
0.493 |
|
| 1989 |
Brown HC, Subrahmanyam C, Hamaoka T, Ravindran N, Bowman DH, Misumi S, Unni MK, Somayaji V, Bhat NG. Vinylic organoboranes. 13. A convenient stereospecific synthesis of (Z)-1-halo-1-alkenes from 1-alkynes via (E)-1-alkenylborane derivatives with halogens The Journal of Organic Chemistry. 54: 6068-6075. DOI: 10.1021/Jo00287A018 |
0.348 |
|
| 1989 |
Brown HC, Blue CD, Nelson DJ, Bhat NG. Vinylic organoboranes. 12. Synthesis of (Z)-1-halo-1-alkenes via hydroboration of 1-halo-1-alkynes followed by protonolysis The Journal of Organic Chemistry. 54: 6064-6067. DOI: 10.1021/Jo00287A017 |
0.582 |
|
| 1989 |
Brown HC, Ramachandran PV. Selective reductions. 45. Asymmetric reduction of prochiral ketones by iso-2-methyl-, iso-2-ethyl-, and [iso-2-[2-(benzyloxy)ethyl]apopinocampheyl]-tert-butylchloroboranes. Evidence for a major influence of the steric requirements of the 2-substituent on the efficiency of asymmetric reduction The Journal of Organic Chemistry. 54: 4504-4511. DOI: 10.1021/Jo00280A013 |
0.332 |
|
| 1989 |
Brown HC, Srebnik M, Ramachandran PV. Chiral synthesis via organoboranes. 22. Selective reductions. 44. The effect of the steric requirements of the alkyl substituent in isopinocampheylalkylchloroboranes for the asymmetric reduction of representative ketones The Journal of Organic Chemistry. 54: 1577-1583. DOI: 10.1021/Jo00268A018 |
0.399 |
|
| 1989 |
Brown HC, Bhat KS, Randad RS. Chiral synthesis via organoboranes. 21. Allyl- and crotylboration of .alpha.-chiral aldehydes with diisopinocampheylboron as the chiral auxiliary Journal of Organic Chemistry. 54: 1570-1576. DOI: 10.1021/Jo00268A017 |
0.327 |
|
| 1989 |
Brown HC, Dhar RK, Bakshi RK, Pandiarajan PK, Singaram B. Major effect of the leaving group in dialkylboron chlorides and triflates in controlling the stereospecific conversion of ketones into either [E]- or [Z]-enol borinates Journal of the American Chemical Society. 111: 3441-3442. DOI: 10.1021/Ja00191A058 |
0.574 |
|
| 1989 |
Brown HC, Joshi NN, Pyun C, Singaram B. Chiral synthesis via organoboranes. 20. Conversion of boronic esters of essentially 100% optical purity to B-alkyl-9-borabicyclo[3.3.1]nonanes of very high optical purity. Synthesis of optically active homologated esters, nitriles, and ketones Journal of the American Chemical Society. 111: 1754-1758. DOI: 10.1021/Ja00187A030 |
0.56 |
|
| 1989 |
Srebnik M, Joshi N, Brown HC. Chiral Synthesis via Organoboranes 23. Enantioselective Ring Opening ofmeso-Epoxides withB-Halodiisopinocampheylboranes. The First General Synthesis of Optically Active 1,2-Halohydrins Israel Journal of Chemistry. 29: 229-237. DOI: 10.1002/Ijch.198900031 |
0.326 |
|
| 1989 |
BROWN HC, BHAT NG. ChemInform Abstract: Vinylic Organoboranes. Part 11. A Highly Stereospecific and Regiospecific Synthesis of Trisubstituted Alkenes via Organoboranes. Cheminform. 20. DOI: 10.1002/chin.198925142 |
0.322 |
|
| 1989 |
BROWN HC, JOSHI NN, PYUN C, SINGARAM B. ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 20. Conversion of Boronic Esters of Essentially 100% Optical Purity to B-Alkyl-9-borabicyclo(3.3.1)nonanes of Very High Optical Purity. Synthesis of Optically Active Homologated Esters, Nitrile Cheminform. 20. DOI: 10.1002/chin.198923060 |
0.506 |
|
| 1989 |
BROWN HC, RANDAD RS, BHAT KS, ZAIDLEWICZ M, WEISSMAN SA, JADHAV PK, PERUMAL PT. ChemInform Abstract: Hydroboration. Part 83. Synthesis and Hydroboration of 2-Ethylapopinene. Comparison of Monoisopinocampheylborane and Its 2-Ethyl Analogue for the Chiral Hydroboration of Representative Alkenes. Cheminform. 20. DOI: 10.1002/chin.198918129 |
0.3 |
|
| 1988 |
Brown HC, Gupta AK, Vara Prasad JVN. Chiral Synthesis via Organoboranes. 11. Hydroboration. 82. Asymmetric Hydroboration of 1-Heteroarylcycloalkenes with Monoisopinocampheylborane. Synthesis oftrans-2-Heteroarylcycloalkyl Boronates and Derived Alcohols of Very High Enantiomeric Purity Bulletin of the Chemical Society of Japan. 61: 93-100. DOI: 10.1246/Bcsj.61.93 |
0.372 |
|
| 1988 |
Brown HC, Bhat NG. Vinylic organoboranes. 11. A highly stereospecific and regiospecific synthesis of trisubstituted alkenes via organoboranes The Journal of Organic Chemistry. 53: 6009-6013. DOI: 10.1021/Jo00261A005 |
0.402 |
|
| 1988 |
Brown HC, Randad RS, Bhat KS, Zaidlewicz M, Weissman SA, Jadhav PK, Perumal PT. Hydroboration. 83. Synthesis and hydroboration of 2-ethylapopinene. Comparison of monoisopinocampheylborane and its 2-ethyl analog for the chiral hydroboration of representative alkenes The Journal of Organic Chemistry. 53: 5513-5518. DOI: 10.1021/Jo00258A021 |
0.39 |
|
| 1988 |
Brown HC, Chandrasekharan J. Hydroboration kinetics. 13. Kinetics and mechanism of hydroboration of representative alkenes and alkynes with dibromoborane-methyl sulfide. Remarkable catalysis of the reaction by small quantities of boron tribromide The Journal of Organic Chemistry. 53: 4811-4814. DOI: 10.1021/Jo00255A028 |
0.393 |
|
| 1988 |
Srebnik M, Ramachandran PV, Brown HC. Chiral synthesis via organoboranes. 18. Selective reductions. 43. Diisopinocampheylchloroborane as an excellent chiral reducing reagent for the synthesis of halo alcohols of high enantiomeric purity. A highly enantioselective synthesis of both optical isomers of Tomoxetine, Fluoxetine, and Nisoxetine The Journal of Organic Chemistry. 53: 2916-2920. DOI: 10.1021/Jo00248A005 |
0.382 |
|
| 1988 |
Brown HC, Prasad JVNV, Zaidlewicz M. Hydroboration. 83. Asymmetric hydroboration of representative cis disubstituted and heterocyclic olefins with dicaranylboranes of high enantiomeric purity The Journal of Organic Chemistry. 53: 2911-2916. DOI: 10.1021/Jo00248A004 |
0.325 |
|
| 1988 |
Brown HC, Gupta AK, Prasad JVNV, Srebnik M. Chiral synthesis via organoboranes. 17. Preparation of .alpha.-chiral .alpha.'-alkynyl ketones of high enantiomeric excess from optically pure organyl(1-alkynyl)borinic esters The Journal of Organic Chemistry. 53: 1391-1394. DOI: 10.1021/Jo00242A009 |
0.311 |
|
| 1988 |
Brown HC, Basavaiah D, Singh SM, Bhat NG. Pheromones via organoboranes. 3. Vinylic organoboranes. 10. Stereospecific synthesis of (Z)- and (E)-6- and -7-alken-1-ols via boracyclanes The Journal of Organic Chemistry. 53: 246-250. DOI: 10.1021/Jo00237A004 |
0.544 |
|
| 1988 |
Brown HC, Basavaiah D, Kulkarni SU, Bhat NG, Prasad JVNV. Vinylic organoboranes. 9. A general stereospecific synthesis of (Z)- and (E)-disubstituted alkenes via organoboranes The Journal of Organic Chemistry. 53: 239-246. DOI: 10.1021/Jo00237A003 |
0.52 |
|
| 1988 |
Brown HC, Chandrasekharan J, Ramachandran PV. Chiral synthesis via organoboranes. 14. Selective reductions. 41. Diisopinocampheylchloroborane, an exceptionally efficient chiral reducing agent Journal of the American Chemical Society. 110: 1539-1546. DOI: 10.1021/Ja00213A030 |
0.336 |
|
| 1988 |
Brown HC, Jadhav PK, Bhat KS. Chiral synthesis via organoboranes. 13. A highly diastereoselective and enantioselective addition of [(Z)-.gamma.-alkoxyallyl]diisopinocampheylboranes to aldehydes Journal of the American Chemical Society. 110: 1535-1538. DOI: 10.1021/Ja00213A029 |
0.373 |
|
| 1988 |
Brown HC, Bakshi RK, Singaram B. Chiral synthesis via organoboranes. 12. Conversion of boronic esters of essentially 100% optical purity into monoalkylthexylboranes providing convenient synthetic routes to trans-olefins, cis-olefins, alkynes, and ketones of very high enantiomeric purities Journal of the American Chemical Society. 110: 1529-1534. DOI: 10.1021/Ja00213A028 |
0.601 |
|
| 1988 |
Brown HC, Singaram B. The development of a simple general procedure for synthesis of pure enantiomers via chiral organoboranes Accounts of Chemical Research. 21: 287-293. DOI: 10.1021/Ar00152A001 |
0.571 |
|
| 1988 |
Brown HC, De Lue NR. Organoboranes for synthesis. 12. The reaction of organoboranes with nitrogen trichloride. A convenient procedure for the conversion of alkenes into alkyl chloridesvia hydroborationi Tetrahedron. 44: 2785-2792. DOI: 10.1016/S0040-4020(88)90014-2 |
0.458 |
|
| 1988 |
Brown HC, Lane CF, De Lue NR. Organoboranes for synthesis. 11.1 preparation of alkyl bromides in the dark reaction of bromine with organoboranes2,3 exceptional reactivity toward radical bromination of the alpha hydrogen in trialkylboranes Tetrahedron. 44: 2773-2784. DOI: 10.1016/S0040-4020(88)90013-0 |
0.395 |
|
| 1988 |
Brown HC, Lane CF. Organoboranes for synthesis. 10.1 the base-induced reaction of bromine with organoboranes. A convenient procedure for the conversion of alkenes into alkyl bromides via hydroboration Tetrahedron. 44: 2763-2772. DOI: 10.1016/S0040-4020(88)90012-9 |
0.467 |
|
| 1988 |
Brown HC, Rathke MW, RogiC´ MM, De Lue NR. Organoboranes for synthesis. 9. Rapid reaction of organoboranes with iodine under the influence of base. a convenient procedure for the conversion of alkenes into iodides via hydroboration Tetrahedron. 44: 2751-2762. DOI: 10.1016/S0040-4020(88)90010-5 |
0.456 |
|
| 1988 |
Brown HC, Bhat NG. A simple conversion of [E]- into the isomeric [Z]-2-(1-substituted-1-alkenyl)-1,3,2-dioxaborinanes, providing a convenient stereospecific synthesis of both [E]- and [Z]-1,2-disubstituted vinyl bromides Tetrahedron Letters. 29: 21-24. DOI: 10.1016/0040-4039(88)80005-4 |
0.353 |
|
| 1988 |
Brown HC, Gupta AK. Chiral synthesis via organoboranes Journal of Organometallic Chemistry. 341: 73-81. DOI: 10.1016/0022-328X(88)89064-8 |
0.366 |
|
| 1988 |
Brown HC, Rangaishenvi MV. Organoboranes Journal of Organometallic Chemistry. 358: 15-30. DOI: 10.1016/0022-328X(88)87067-0 |
0.403 |
|
| 1988 |
Brown HC, Singaram B. Substitution with retention in organoboranes and utilization of the phenomenon for a general synthesis of pure enantiomers Proceedings of the Indian Academy of Sciences - Chemical Sciences. 100: 119-142. DOI: 10.1007/BF02839445 |
0.554 |
|
| 1988 |
BROWN HC, DE LUE NR. ChemInform Abstract: Organoboranes for Synthesis. Part 12. The Reaction of Organoboranes with Nitrogen Trichloride. A Convenient Procedure for the Conversion of Alkenes into Alkyl Chlorides via Hydroboration. Cheminform. 19. DOI: 10.1002/chin.198840112 |
0.366 |
|
| 1988 |
BROWN HC, LANE CF, DE LUE NR. ChemInform Abstract: Organoboranes for Synthesis. Part 11. Preparation of Alkyl Bromides in the Dark Reaction of Bromine with Organoboranes. Exceptional Reactivity Toward Radical Bromination of the α-Hydrogen Trialkylboranes. Cheminform. 19. DOI: 10.1002/chin.198840111 |
0.318 |
|
| 1988 |
BROWN HC, LANE CF. ChemInform Abstract: Organoboranes for Synthesis. Part 10. The Base-Induced Reaction of Bromine with Organoboranes. A Convenient Procedure for the Conversion of Alkenes into Alkyl Bromides via Hydroboration. Cheminform. 19. DOI: 10.1002/chin.198840110 |
0.325 |
|
| 1988 |
BROWN HC, RATHKE MW, ROGIC MM, DE LUE NR. ChemInform Abstract: Organoboranes for Synthesis. Part 9. Rapid Reaction of Organoboranes with Iodine Under the Influence of Base. A Convenient Procedure for the Conversion of Alkenes into Iodides via Hydroboration. Cheminform. 19. DOI: 10.1002/chin.198840109 |
0.341 |
|
| 1988 |
BROWN HC, MIDLAND MM, LEVY AB, SUZUKI A, SONO S, ITOH M. ChemInform Abstract: Organoboranes for Synthesis. Part 8. Reaction of Organoboranes with Representative Organic Azides. A General Stereospecific Synthesis of Secondary Amines and N-Substituted Aziridines. Cheminform. 19. DOI: 10.1002/chin.198805094 |
0.611 |
|
| 1988 |
BROWN HC, MIDLAND MM. ChemInform Abstract: Organoboranes for Synthesis. Part 6. A Convenient, General Synthesis of Alkylhydroperoxides via Autoxidation of Organoboranes. Cheminform. 19. DOI: 10.1002/chin.198805083 |
0.58 |
|
| 1987 |
Brown HC, Prasad JVNV. Hydroboration of Heterocycles Olefins — A Versatile Route for the Synthesis of Both Racemic and Optically Active Heterocyclic Compounds Heterocycles. 25: 641-657. DOI: 10.3987/S-1987-01-0641 |
0.323 |
|
| 1987 |
Brown HC, Srebnik M. Organoboranes. 50. Preparation and characterization of organyl-1-alkynylborinic esters Organometallics. 6: 629-631. DOI: 10.1021/Om00146A032 |
0.349 |
|
| 1987 |
Brown HC, Rangaishenvi MV, Racherla US. Addition compounds of alkali metal hydrides. 30. Rapid reaction of trialkylboranes with lithium aluminum hydride. A novel and quantitative synthesis of lithium dialkylborohydrides The Journal of Organic Chemistry. 52: 728-730. DOI: 10.1021/Jo00381A003 |
0.369 |
|
| 1987 |
Brown HC, Bhat KS, Randad RS. .beta.-Allyldiisopinocampheylborane: a remarkable reagent for the diastereoselective allylboration of .alpha.-substituted chiral aldehydes Journal of Organic Chemistry. 52: 319-320. DOI: 10.1021/Jo00378A042 |
0.315 |
|
| 1987 |
Brown HC, Vara Prasad JVN, Gupta AK, Bakshi RK. Hydroboration. 80. Preparation of trans-2-phenylcyclopentyl- and trans-2-phenylcyclohexylboronates of very high enantiomeric purities The Journal of Organic Chemistry. 52: 310-311. DOI: 10.1021/Jo00378A037 |
0.326 |
|
| 1987 |
Brown HC, Cha JS, Yoon NM, Nazer B. Selective reductions. 39. Partial reduction of carboxylic acids with thexylchloroborane-methyl sulfide. A direct and simple aldehyde synthesis The Journal of Organic Chemistry. 52: 5400-5406. DOI: 10.1021/Jo00233A018 |
0.367 |
|
| 1987 |
Goralski CT, Singaram B, Brown HC. Hydroboration. 81. Synthesis of 2-(dialkylamino)boronic esters and acids via hydroboration of enamines. A convenient preparation of .beta.-dialkylamino alcohols Journal of Organic Chemistry. 52: 4014-4019. DOI: 10.1021/Jo00227A014 |
0.574 |
|
| 1987 |
Brown HC, Srebnik M, Bakshi RK, Cole TE. Chiral synthesis via organoboranes. 10. Preparation of .alpha.-chiral acyclic ketones of exceptionally high enantiomeric excess from optically pure borinic esters Journal of the American Chemical Society. 109: 5420-5426. DOI: 10.1021/Ja00252A018 |
0.36 |
|
| 1987 |
Srebnik M, Cole TE, Brown HC. Methylborane - a remarkable unhindered monoalkylborane which achieves the controlled sequential hydroboration of representative alkenes Tetrahedron Letters. 28: 3771-3774. DOI: 10.1016/S0040-4039(00)96380-9 |
0.302 |
|
| 1987 |
Brown HC, Midland MM, Levy AB, Wetherill RB, Suzuki A, Sono S, Itoh M. Organoboranes for synthesis. Reaction of organoboranes with representative organic azides. A general stereospecific synthesis of secondary amines and N-substituted aziridines Tetrahedron. 43: 4079-4088. DOI: 10.1016/S0040-4020(01)83446-3 |
0.697 |
|
| 1987 |
Brown HC, Kim K, Srebnik M, Bakthan S. Organoboranes for synthesis. 7. An improved general synthesis of primary amines from alkenes via hydroboration-organoborane chemistry Tetrahedron. 43: 4071-4078. DOI: 10.1016/S0040-4020(01)83445-1 |
0.379 |
|
| 1987 |
Brown HC, Midland M. Organoboranes for synthesis. 6. Tetrahedron. 43: 4059-4070. DOI: 10.1016/S0040-4020(01)83444-X |
0.631 |
|
| 1987 |
BROWN HC, SINGARAM B. ChemInform Abstract: Organoboranes for Synthesis. Substitution with Retention Cheminform. 18. DOI: 10.1002/chin.198746392 |
0.303 |
|
| 1987 |
BROWN HC, MOLANDER GA. ChemInform Abstract: Vinylic Organoboranes. Part 2. Improved Procedures for the Protonolysis of Alkenyldialkylboranes Providing a Simplified Stereospecific Synthesis of (Z)-Alkenes. Cheminform. 18. DOI: 10.1002/chin.198724142 |
0.47 |
|
| 1986 |
Brown HC, Bhat KS. Chiral synthesis via organoboranes. 7. Diastereoselective and enantioselective synthesis of erythro- and threo-.beta.-methylhomoallyl alcohols via enantiomeric (Z)- and (E)-crotylboranes. Journal of the American Chemical Society. 108: 5919-23. PMID 22175350 DOI: 10.1021/Ja00279A042 |
0.401 |
|
| 1986 |
Brown HC, Bhat NG, Rajagopalan S. Stereoselective Synthesis of (E)- and (Z)-Disubstituted Vinyl BromidesviaOrganoboranes Synthesis. 1986: 480-482. DOI: 10.1055/S-1986-31680 |
0.313 |
|
| 1986 |
Cole TE, Bakshi RK, Srebnik M, Singaram B, Brown HC. Organoboranes. 49. An examination of convenient procedures for the generation of borane and monoalkyl- and dialkylboranes from lithium borohydride and monoalkyl- and dialkylborohydrides Organometallics. 5: 2303-2307. DOI: 10.1021/Om00142A021 |
0.529 |
|
| 1986 |
Brown HC, Srebnik M, Cole TE. Organoboranes. 48. Improved procedures for the preparation of boronic and borinic esters Organometallics. 5: 2300-2303. DOI: 10.1021/Om00142A020 |
0.31 |
|
| 1986 |
Brown HC, Ramachandran PV, Chandrasekharan J. Organoboranes. 47. An extremely facile elimination of alkenes from dialkylhaloboranes. A comparative rate study with related trialkylboranes Organometallics. 5: 2138-2141. DOI: 10.1021/Om00141A034 |
0.302 |
|
| 1986 |
Brown HC, Racherla US. An unusual solvent effect in the reaction of ethylmagnesium bromide with triethylborane in ethyl ether or tetrahydrofuran. A simple direct route to tetraorganylborate complexes Organometallics. 5: 391-393. DOI: 10.1021/Om00133A037 |
0.308 |
|
| 1986 |
Brown HC, Lee HD, Kulkarni SU. Pheromones via organoboranes. 2. Vinylic organoboranes. 8. Applications of the general stereoselective synthesis of (E)-disubstituted alkenes via thexylchloroborane-dimethyl sulfide to the synthesis of pheromones containing an (E)-alkene moiety Journal of Organic Chemistry. 51: 5282-5286. DOI: 10.1021/Jo00376A043 |
0.327 |
|
| 1986 |
Brown HC, Imai T, Bhat NG. Vinylic organoboranes. 7. Stereoselective synthesis of (E)-(1-substituted-1-alkenyl)boronic esters by the nucleophilic substitution of (Z)-(1-bromo-1-alkenyl)boronic esters with organolithium or Grignard reagents. Isolation and oxidation to ketones The Journal of Organic Chemistry. 51: 5277-5282. DOI: 10.1021/Jo00376A042 |
0.42 |
|
| 1986 |
Brown HC, Basavaiah D, Kulkarni SU, Lee HD, Negishi E, Katz JJ. Vinylic organoboranes. 6. A general synthesis of (E)-disubstituted-alkenes or ketones via the (E)-(1-substituted-1-alkenyl)boronic esters The Journal of Organic Chemistry. 51: 5270-5276. DOI: 10.1021/Jo00376A041 |
0.665 |
|
| 1986 |
Brown HC, Nazer B, Cha JS, Sikorski JA. Selective reductions. 38. Reaction of thexylchloroborane-methyl sulfide complex in methylene chloride with selected organic compounds containing representative functional groups. Comparison of the reducing characteristics of thexylchloroborane, thexylborane, and diborane The Journal of Organic Chemistry. 51: 5264-5270. DOI: 10.1021/Jo00376A040 |
0.328 |
|
| 1986 |
Brown HC, Cole TE, Srebnik M, Kim KW. Hydroboration. 79. Preparation and properties of methylborane and dimethylborane and their characteristics as hydroborating agents. Synthesis of tertiary alcohols containing methyl groups via hydroboration The Journal of Organic Chemistry. 51: 4925-4930. DOI: 10.1021/Jo00375A031 |
0.317 |
|
| 1986 |
Brown HC, Prasad JVNV. Chiral synthesis via organoboranes. 9. Crystalline chelates from borinic and boronic esters. A simple procedure for upgrading borinates and boronates to materials approaching 100% optical purity Journal of Organic Chemistry. 51: 4526-4530. DOI: 10.1021/Jo00374A007 |
0.326 |
|
| 1986 |
Sikorski JA, Bhat NG, Cole TE, Wang KK, Brown HC. Vinylic organoboranes. 5. An improved, convenient synthesis of unsymmetrical alkynes via iodination of lithium alkynyl ate complexes of thexylalkylborinates The Journal of Organic Chemistry. 51: 4521-4525. DOI: 10.1021/Jo00374A006 |
0.357 |
|
| 1986 |
Brown HC, Basavaiah D, Bhat NG. Vinylic organoboranes. 4. A general, one-pot synthesis of 6- and 7-alkyn-1-ols via boracyclanes. Influence of steric effects in the iodination of lithium alkynyl ate complexes of dialkylborinates The Journal of Organic Chemistry. 51: 4518-4521. DOI: 10.1021/Jo00374A005 |
0.529 |
|
| 1986 |
Brown HC, Wang KK. Vinylic organoboranes. 3. Pheromones via organoboranes. 1. Stereospecific synthesis of straight-chain (Z)-monoolefinic insect pheromones via lithium (1-alkynyl)trialkylborates The Journal of Organic Chemistry. 51: 4514-4517. DOI: 10.1021/Jo00374A004 |
0.318 |
|
| 1986 |
Brown HC, Molander GA. Vinylic organoboranes. 2. Improved procedures for the protonolysis of alkenyldialkylboranes providing a simplified stereospecific synthesis of (Z)-alkenes The Journal of Organic Chemistry. 51: 4512-4514. DOI: 10.1021/Jo00374A003 |
0.516 |
|
| 1986 |
Suzuki A, Miyaura N, Abiko S, Itoh M, Midland MM, Sinclair JA, Brown HC. Vinylic organoboranes. 1. A convenient synthesis of acetylenes via the reaction of lithium (1-alkynyl) organoborates with iodine The Journal of Organic Chemistry. 51: 4507-4511. DOI: 10.1021/Jo00374A002 |
0.633 |
|
| 1986 |
Brown HC, Chandrasekharan J, Ramachandran PV. Highly efficient asymmetric reduction of .alpha.-tertiary alkyl ketones with diisopinocampheylchloroborane The Journal of Organic Chemistry. 51: 3394-3396. DOI: 10.1021/Jo00367A037 |
0.314 |
|
| 1986 |
Brown HC, Singh SM, Rangaishenvi MV. Organoboranes. 46. New procedures for the homologation of boronic esters. A critical examination of the available procedures to achieve convenient homologation of boronic esters Journal of Organic Chemistry. 51: 3150-3155. DOI: 10.1021/Jo00366A014 |
0.301 |
|
| 1986 |
Jadhav PK, Bhat KS, Perumal PT, Brown HC. Chiral synthesis via organoboranes. 6. Asymmetric allylboration via chiral allyldialkylboranes. Synthesis of homoallylic alcohols with exceptionally high enantiomeric excess The Journal of Organic Chemistry. 51: 432-439. DOI: 10.1021/Jo00354A003 |
0.424 |
|
| 1986 |
Brown HC, Racherla US. Organoboranes. 44. A convenient, highly efficient synthesis of triorganylboranes via a modified organometallic route The Journal of Organic Chemistry. 51: 427-432. DOI: 10.1021/Jo00354A002 |
0.33 |
|
| 1986 |
Brown HC, Kim KW, Cole TE, Singaram B. Chiral synthesis via organoboranes. 8. Synthetic utility of boronic esters of essentially 100% optical purity. Synthesis of primary amines of very high enantiomeric purities Journal of the American Chemical Society. 108: 6761-6764. DOI: 10.1021/Ja00281A050 |
0.594 |
|
| 1986 |
Brown HC, Prasad JVNV. Chiral synthesis via organoboranes. 6. Hydroboration. 74. Asymmetric hydroboration of representative heterocyclic olefins with diisopinocampheylborane. Synthesis of heterocyclic boronates and heterocyclic alcohols of very high enantiomeric purity Journal of the American Chemical Society. 108: 2049-2054. DOI: 10.1021/Ja00268A053 |
0.325 |
|
| 1986 |
Brown HC, Bhat KS. Enantiomeric Z- and E-crotyldiisopinocampheylboranes. Synthesis in high optical purity of all four possible stereoisomers of .beta.-methylhomoallyl alcohols Journal of the American Chemical Society. 108: 293-294. DOI: 10.1021/Ja00262A017 |
0.347 |
|
| 1986 |
Brown HC, Mark Midland M, Kabalka GW. Organoboranes for synthesis. 5 Tetrahedron. 42: 5523-5530. DOI: 10.1016/S0040-4020(01)88155-2 |
0.493 |
|
| 1986 |
Brown HC, Kulkarni SU, Gundu Rao C, Patil VD. Organoboranes for synthesis. 4. Oxidation of organoboranes with pyridinium chlorochromate. A direct synthesis of aldehydes from terminal alkenes via hydroboration Tetrahedron. 42: 5515-5522. DOI: 10.1016/S0040-4020(01)88154-0 |
0.387 |
|
| 1986 |
Brown HC, Garg CP. Organoboranes for synthesis. 3. oxidation of organoboranes with aqueous chromic acid. a convenient synthesis of ketones from alkenes via hydroboration Tetrahedron. 42: 5511-5514. DOI: 10.1016/S0040-4020(01)88153-9 |
0.355 |
|
| 1986 |
Brown HC, Snyder C, Rao B, Zweifel G. Organoboranes for synthesis Tetrahedron. 42: 5505-5510. DOI: 10.1016/S0040-4020(01)88152-7 |
0.38 |
|
| 1986 |
Brown HC, Murray KJ. Organoboranes for synthesis. 1 Tetrahedron. 42: 5497-5504. DOI: 10.1016/S0040-4020(01)88151-5 |
0.369 |
|
| 1986 |
BROWN HC, BHAT NG, RAJAGOPALAN S. ChemInform Abstract: Stereospecific Synthesis of the B-(Z)-1-Alkenyl-9-borabicyclo[3.3.1]nonanes not Available via Hydroboration. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198633225 |
0.338 |
|
| 1986 |
BROWN HC, NAIK RG, BAKSHI RK, PYUN C, SINGARAM B. ChemInform Abstract: Chiral Synthesis via Organoboranes. Part 4. Synthetic Utility of Boronic Esters of Essentially 100% Optical Purity. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198627226 |
0.585 |
|
| 1986 |
BROWN HC, REI M, CHANDRASEKHARAN J, SOMAYAJI V. ChemInform Abstract: Structural Effects in Solvolytic Reactions. Part 52. Direct Search for the Nonclassical Stabilization Energy in the Ionization of 2-Norbornyl Derivatives. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198627083 |
0.322 |
|
| 1986 |
BROWN HC, IMAI T, PERUMAL PT, SINGARAM B. ChemInform Abstract: Organoboranes. Part 41. Reaction of Organoboranes with (Dichloromethyl)lithium. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198610291 |
0.616 |
|
| 1986 |
BROWN HC, NAIK RG, SINGARAM B, PYUN C. ChemInform Abstract: Organoboranes. Part 42. One-Carbon Homologation of Organoboranes. Chemischer Informationsdienst. 17. DOI: 10.1002/Chin.198609196 |
0.517 |
|
| 1985 |
Brown HC, Naik RG, Singaram B, Pyun C. Organoboranes. 42. One-carbon homologation of organoboranes. Synthesis of homologated boronic acids and esters from boronic esters Organometallics. 4: 1925-1929. DOI: 10.1021/Om00130A002 |
0.575 |
|
| 1985 |
Brown HC, Cole TE, Srebnik M. Organoboranes. 40. A simple preparation of borinic esters from organolithium reagents and selected boronic esters Organometallics. 4: 1788-1792. DOI: 10.1021/Om00129A019 |
0.373 |
|
| 1985 |
Brown HC, Cole TE. Organoboranes. 39. Convenient procedures for the preparation of methylboronic acid and trimethylboroxin Organometallics. 4: 816-821. DOI: 10.1021/Om00124A002 |
0.363 |
|
| 1985 |
Brown HC, Naik RG, Bakshi RK, Pyun C, Singaram B. Chiral synthesis via organoboranes. 4. Synthetic utility of boronic esters of essentially 100% optical purity. Synthesis of homologated boronic acids and esters of very high enantiomeric purities The Journal of Organic Chemistry. 50: 5586-5592. DOI: 10.1021/Jo00350A031 |
0.595 |
|
| 1985 |
Brown HC, Imai T, Perumal PT, Singaram B. Organoboranes. 41. Reaction of organoboranes with (dichloromethyl)lithium. Scope and limitations. Synthesis of homologated primary and secondary alcohols Journal of Organic Chemistry. 50: 4032-4036. DOI: 10.1021/Jo00221A014 |
0.58 |
|
| 1985 |
Brown HC, Vander Jagt DL, Rothberg I, Hammar WJ, Kawakami JH. Structural effects in solvolytic reactions. 50. Steric retardation in the solvolysis of tertiary endo bicyclic derivatives. Evidence that the exo:endo rate/product ratios for typical reactions in rigid U-shaped bicyclics is a general steric phenomenon The Journal of Organic Chemistry. 50: 2179-2188. DOI: 10.1021/Jo00212A036 |
0.376 |
|
| 1985 |
Brown HC, Prasad JVNV, Zee SH. Hydroboration. 71. Hydroboration of representative heterocyclic olefins with borane-methyl sulfide, 9-borabicyclo[3.3.1]nonane, dicyclohexylborane, and disiamylborane. Synthesis of heterocyclic alcohols Journal of Organic Chemistry. 50: 1582-1589. DOI: 10.1021/Jo00210A004 |
0.38 |
|
| 1985 |
Brown HC, Molander GA, Singh SM, Racherla US. Organoboranes. 38. A facile and highly efficient addition of B-1-alkynyl-9-borabicyclo[3.3.1]nonanes to aldehydes and ketones: an exceptionally chemoselective synthesis of propargylic alcohols The Journal of Organic Chemistry. 50: 1577-1582. DOI: 10.1021/Jo00210A003 |
0.513 |
|
| 1985 |
Brown HC, Kurek JT, Rei MH, Thompson KL. Solvomercuration-demercuration. 12. The solvomercuration-demercuration of olefins in alcohol solvents with mercuric trifluoroacetate - an ether synthesis of wide generality Journal of Organic Chemistry. 50: 1171-1174. DOI: 10.1021/Jo00208A005 |
0.32 |
|
| 1985 |
Brown HC, Chloupek FJ, Takeuchi K. Structural effects in solvolytic reactions. 48. Rates of ethanolysis of camphene hydrochloride and related .alpha.-methyl-substituted 1-chloro-1-methylcyclopentanes. Is the rate of ethanolysis of camphene hydrochloride exceptionally high? The Journal of Organic Chemistry. 50: 826-829. DOI: 10.1021/Jo00206A020 |
0.353 |
|
| 1985 |
Brown HC, Imai T, Desai MC, Singaram B. Chiral synthesis via organoboranes. 3. Conversion of boronic esters of essentially 100% optical purity to aldehydes, acids, and homologated alcohols of very high enantiomeric purities Journal of the American Chemical Society. 107: 4980-4983. DOI: 10.1021/Ja00303A026 |
0.55 |
|
| 1985 |
Brown HC, Jadhav PK, Bhat KS. An asymmetric synthesis of the diastereomeric 1-(2-cyclohexenyl)-1-alkanols in high optical purity via a stereochemically stable allylic borane, B-2-cyclohexen-1-yldiisopinocampheylborane Journal of the American Chemical Society. 107: 2564-2565. DOI: 10.1021/Ja00294A068 |
0.324 |
|
| 1985 |
Brown HC, Singaram B, Cole TE. Chiral synthesis via organoboranes. 2. Rapid reaction of boronic esters of very high optical purity with lithium aluminum hydride. Facile reaction of essentially optically pure borinic esters with lithium monoethoxyaluminohydride. A novel and quantitative synthesis of lithium monoalkyl- and dialkylborohydrides of essentially 100% optical purity Journal of the American Chemical Society. 107: 460-464. DOI: 10.1021/Ja00288A031 |
0.602 |
|
| 1985 |
Brown HC, Racherla US. Ultrasonics in organoborane chemistry, rapid synthesis of triorganylboranes via a modified organometallic route Tetrahedron Letters. 26: 4311-4314. DOI: 10.1016/S0040-4039(00)98721-5 |
0.36 |
|
| 1985 |
Brown HC, Rothberg I, Chandrasekharan J. Structural effects in solvolytic reactions. 51. Examination of the differences in the behavior of secondary and tertiary U-shaped bicyclic derivatives toward solvolysis The Journal of Organic Chemistry. 50: 5574-5577. DOI: 10.1002/Chin.198627084 |
0.303 |
|
| 1985 |
Brown HC, Imai T, Desai MC, Singaram B. Chiral Synthesis Via Organoboranes. 3. Conversion Of Boronic Esters Of Essentially 100% Optical Purity To Aldehydes, Acids, And Homologated Alcohols Of Very High Enantiomeric Purities Cheminform. 16. DOI: 10.1002/Chin.198549234 |
0.569 |
|
| 1985 |
BROWN HC, MOLANDER GA, SINGH SM, RACHERLA US. ChemInform Abstract: ORGANOBORANES. 38. A FACILE AND HIGHLY EFFICIENT ADDITION OF B-1-ALKYNYL-9-BORABICYCLO(3.3.1)NONANES TO ALDEHYDES AND KETONES: AN EXCEPTIONALLY CHEMOSELECTIVE SYNTHESIS OF PROPARGYLIC ALCOHOLS Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198537129 |
0.527 |
|
| 1985 |
Brown HC, Kurek JT, Rei M-, Thompson KL. Solvomercuration-Demercuration. 12. The Solvomercuration-Demercuration Of Olefins In Alcohol Solvents With Mercuric Trifluoroacetate - An Ether Synthesis Of Wide Generality Cheminform. 16. DOI: 10.1002/Chin.198535117 |
0.32 |
|
| 1985 |
Brown HC, Ikegami S, Vander Jagt DL. Structural effects in solvolytic reactions. 49. Steric effects as a major factor in the exo:endo rate ratios for the solvolysis of 2,7,7-trimethyl- and 2,6,6-trimethyl-2-norbornyl p-nitrobenzoates The Journal of Organic Chemistry. 50: 1165-1171. DOI: 10.1002/Chin.198535068 |
0.342 |
|
| 1985 |
Brown HC, Negishi E, Dickason WC. Hydroboration. 70. The polycyclic hydroboration of acyclic and cyclic trienes with borane in tetrahydrofuran and triethylamine-borane. Reexamination of the stereochemistry of isomeric perhydro-9b-boraphenalenes The Journal of Organic Chemistry. 50: 520-527. DOI: 10.1002/Chin.198530090 |
0.497 |
|
| 1985 |
BROWN HC, SINGARAM B, COLE TE. ChemInform Abstract: CHIRAL SYNTHESIS VIA ORGANOBORANES. 2. RAPID REACTION OF BORONIC ESTERS OF VERY HIGH OPTICAL PURITY WITH LITHIUM ALUMINUM HYDRIDE. FACILE REACTION OF ESSENTIALLY OPTICALLY PURE BORINIC ESTERS WITH LITHIUM MONOETHOXYALUMINOHYDRIDE. A N Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198521284 |
0.617 |
|
| 1985 |
MOLANDER GA, SINGARAM B, BROWN HC. ChemInform Abstract: CONJUGATE ADDITION-ELIMINATION IN THE REACTION OF B-1-ALKENYL-9-BORABICYCLO(3.3.1)NONANES WITH 4-METHOXY-3-BUTEN-2-ONE. A CONVENIENT NEW ROUTE TO CONJUGATED DIENONES Chemischer Informationsdienst. 16. DOI: 10.1002/chin.198519153 |
0.335 |
|
| 1985 |
Brown HC, Somayaji V, Narasimhan S. Hydroboration. 69. Hydroboration Characteristics Of Lithium Borohydride/Ethyl L Acetate In Ethyl Ether. A New System For Controlled Hydroboration Of Alkenes And Alkynes Cheminform. 16. DOI: 10.1002/Chin.198519140 |
0.307 |
|
| 1985 |
BROWN HC, MATHEW CP, PYUN C, SON JC, YOON NM. ChemInform Abstract: SELECTIVE REDUCTIONS. 36. REACTION OF LITHIUM 9-BORATABICYCLO(3.3.1)NONANE WITH SELECTED ORGANIC COMPOUNDS CONTAINING REPRESENTATIVE FUNCTIONAL GROUPS Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198506113 |
0.354 |
|
| 1985 |
SINGARAM B, COLE TE, BROWN HC. ChemInform Abstract: ADDITION COMPOUNDS OF ALKALI-METAL HYDRIDES. 25. FACILE REACTION OF BORINIC ESTERS WITH LITHIUM MONOETHOXYALUMINOHYDRIDE TO FORM LITHIUM DIALKYLBOROHYDRIDES Chemischer Informationsdienst. 16. DOI: 10.1002/Chin.198504239 |
0.591 |
|
| 1984 |
Brown HC, Racherla UDAYS, Singh SM. A General, Highly Efficient Synthesis of 1,4-, 1,5-, and 1,6-Diketones Synthesis. 1984: 922-924. DOI: 10.1055/S-1984-31018 |
0.335 |
|
| 1984 |
Brown HC, Basavaiah D, Singh SM. Pheromone Synthesis via Organoboranes: A General One-Pot Synthesis of (E)-6-Alken-1-ols Synthesis. 1984: 920-922. DOI: 10.1055/S-1984-31017 |
0.569 |
|
| 1984 |
Brown HC, Nazer B, Cha JS. Selective Reduction of Disulfides to Thiols with Potassium Triisopropoxyborohydride Synthesis. 1984: 498-500. DOI: 10.1055/S-1984-30880 |
0.334 |
|
| 1984 |
Brown HC, Racherla US, Basavaiah D. Pheromone Synthesis via Organoboranes: A Simple Synthesis of (Z)-5-Undecen-2-one, A Ketone from the Pedal Gland of the Bontebok (Damaliscus dorcas dorcas) Synthesis. 1984: 303-304. DOI: 10.1055/S-1984-30817 |
0.584 |
|
| 1984 |
Brown HC, Imai T. Organoboranes. 37. Synthesis and properties of (Z)-1-alkenylboronic esters Organometallics. 3: 1392-1395. DOI: 10.1021/Om00087A013 |
0.335 |
|
| 1984 |
Singaram B, Cole TE, Brown HC. Addition compounds of alkali-metal hydrides. 25. Rapid reaction of boronic esters and acids with lithium aluminum hydride. A novel and quantitative synthesis of lithium monoorganylborohydrides Organometallics. 3: 774-777. DOI: 10.1021/Om00083A022 |
0.604 |
|
| 1984 |
Brown HC, Narasimhan S. Selective reductions. 35. Reaction of representative organic functional groups with lithium borohydride in the presence of B-methoxy-9-borabicyclo[3.3.1]nonane. A simple, convenient procedure for the catalyzed selective reduction of esters The Journal of Organic Chemistry. 49: 3891-3898. DOI: 10.1021/Jo00195A004 |
0.398 |
|
| 1984 |
Brown HC, Mathew CP, Pyun C, Son JC, Yoon NM. Selective reductions. 36. Reaction of lithium 9-boratabicyclo[3.3.1]nonane with selected organic compounds containing representative functional groups Journal of Organic Chemistry. 49: 3091-3097. DOI: 10.1021/Jo00191A010 |
0.34 |
|
| 1984 |
Brown HC, Kurek JT, Rei MH, Thompson KL. Solvomercuration-demercuration. 11. Alkoxymercuration-demercuration of representative alkenes in alcohol solvents with the mercuric salts acetate, trifluoroacetate, nitrate, and methanesulfonate Journal of Organic Chemistry. 49: 2551-2557. DOI: 10.1021/Jo00188A007 |
0.357 |
|
| 1984 |
Brown HC, Singaram B. Improved procedures for the synthesis of diisopinocampheylborane of high optical purity The Journal of Organic Chemistry. 49: 945-947. DOI: 10.1021/Jo00179A041 |
0.537 |
|
| 1984 |
Brown HC, Imai T. Organoboranes. XXXV: Reaction of alkylthioboronic esters with trichloromethyllithium: preparation of one-carbon-extended carboxylic acids and thioacetals from alkenes via hydroboration Journal of Organic Chemistry. 49: 892-898. DOI: 10.1021/Jo00179A027 |
0.355 |
|
| 1984 |
Brown HC, Periasamy M, Perumal PT, Kelly DP. Structural effects in solvolytic reactions. 46. Carbon-13 NMR studies of carbocations. 11. Anomalous carbon-13 chemical shifts with increasing electron demand in a model classical 2-norbornyl system, the 2-aryl-3-methylene-2-norbornyl cations Journal of the American Chemical Society. 106: 2359-2363. DOI: 10.1021/Ja00320A022 |
0.667 |
|
| 1984 |
Brown HC, Singaram B. Hydroboration. 68. Chiral synthesis via organoboranes. 1. A simple procedure to achieve products of essentially 100% optical purity in hydroboration of alkenes with monoisopinocampheylborane. Synthesis of boronic esters and derived products of very high enantiomeric purities Journal of the American Chemical Society. 106: 1797-1800. DOI: 10.1021/Ja00318A040 |
0.586 |
|
| 1984 |
Brown HC, Jadhav PK, Perumal P. Asymmetric methallylboration of prochiral aldehydes with methallyldiisopinocampheylborane·synthesis of 2-methyl-1-alken-4-ols in ≥ 90% enantiomeric purities Tetrahedron Letters. 25: 5111-5114. DOI: 10.1016/S0040-4039(01)81537-9 |
0.363 |
|
| 1984 |
Brown HC, Racherla US, Singh SM, Wetherill RB. Improved highly efficient synthesis of α,β-acetylenic ketones. Nature of the intermediate from the reaction of lithium acetylide with boron trifluoride etherate Tetrahedron Letters. 25: 2411-2414. DOI: 10.1016/S0040-4039(01)81192-8 |
0.391 |
|
| 1984 |
Brown HC, Jadhav PK. 3,3-Dimethylallyldiisopinocampheylborane: A novel reagent for chiral isoprenylation of aldehydes. Synthesis of (+)- and (−)-artemisia alcohol in exceptionally high enantiomeric purity Tetrahedron Letters. 25: 1215-1218. DOI: 10.1016/S0040-4039(01)80116-7 |
0.343 |
|
| 1984 |
Brown HC, Jadhav PK, Desai MC. Organoboranes—34 Tetrahedron. 40: 1325-1332. DOI: 10.1016/S0040-4020(01)82418-2 |
0.395 |
|
| 1984 |
Brown HC, Bhat NG, Basavaiah D. Organoboranes. 36. A Simple, General Synthesis of Alkynyl Ketones1and [E]-1,3-Alkenynes via Thexylchloroborane-Dimethyl Sulfide Israel Journal of Chemistry. 24: 72-75. DOI: 10.1002/Ijch.198400012 |
0.596 |
|
| 1984 |
Molander GA, Singaram B, Brown HC. Conjugate addition-elimination in the reaction of B-1-alkenyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one. A convenient new route to conjugated dienones The Journal of Organic Chemistry. 49: 5024-5025. DOI: 10.1002/Chin.198519153 |
0.671 |
|
| 1984 |
Brown HC, Jadhav PK. B-Allyldiisocaranylborane: a new, remarkable enantioselective allylborating agent for prochiral aldehydes. Synthesis of homoallylic alcohols approaching 100% enantiomeric purities The Journal of Organic Chemistry. 49: 4089-4091. DOI: 10.1002/Chin.198516104 |
0.323 |
|
| 1984 |
Brown HC, Cha JS, Nazer B. Addition compounds of alkali-metal hydrides. 24. A general method for preparation of potassium trialkoxyborohydrides. A new class of reducing agents Inorganic Chemistry. 23: 2929-2931. DOI: 10.1002/Chin.198501261 |
0.388 |
|
| 1984 |
Brown HC, Periasamy M, Perumal PT. Structural effects in solvolytic reactions. 47. Effects of p-alkyl and p-cycloalkyl groups on the carbon-13 NMR shifts of the cationic carbon center in p-alkyl-tert-cumyl cations The Journal of Organic Chemistry. 49: 2754-2757. DOI: 10.1002/Chin.198451064 |
0.675 |
|
| 1984 |
BROWN HC, PERIASAMY M, PERUMAL PT. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 47. EFFECTS OF P-ALKYL AND P-CYCLOALKYL GROUPS ON THE CARBON-13 NMR SHIFTS OF THE CATIONIC CARBON CENTER IN P-ALKYL-TERT-CUMYL CATIONS Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198451064 |
0.653 |
|
| 1984 |
Brown HC, Murray LT. Molecular addition compounds. 9. Effect of structure on the reactivities of representative borane-amine complexes in typical reactions such as hydrolysis, hydroboration, and reduction Inorganic Chemistry. 23: 2746-2753. DOI: 10.1002/Chin.198450272 |
0.362 |
|
| 1984 |
BROWN HC, BHAT NG, BASAVAIAH D. ChemInform Abstract: Organoboranes. Part 36. A Simple, General Synthesis of Alkynyl Ketones and [E]-1,3-Alkenynes via Thexylchloroborane-Dimethyl Sulfide. Chemischer Informationsdienst. 15. DOI: 10.1002/Chin.198450129 |
0.581 |
|
| 1984 |
BROWN HC, CHANDRASEKHARAN J, NELSON DJ. ChemInform Abstract: HYDROBORATION KINETICS. 10. KINETICS, MECHANISM, AND SELECTIVITY FOR HYDROBORATION OF REPRESENTATIVE ALKENES WITH BORINANE Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198440116 |
0.5 |
|
| 1984 |
Brown HC, Chandrasekharan J, Nelson DJ. Hydroboration kinetics. 10. Kinetics, mechanism, and selectivity for hydroboration of representative alkenes with borinane Journal of the American Chemical Society. 106: 3768-3771. DOI: 10.1002/Chin.198440116 |
0.477 |
|
| 1984 |
Brown HC, Kim SC. Hydroboration. 66. Addition of lithium triethylborohydride to substituted styrenes. A simple, convenient procedure for the Markovnikov hydroboration of aromatically conjugated olefins and the synthesis of unusual mixed trialkylboranes The Journal of Organic Chemistry. 49: 1064-1071. DOI: 10.1002/Chin.198435146 |
0.418 |
|
| 1984 |
Brown HC, Imai T. Organoboranes. 35. Reaction of alkylthioboronic esters with trichloromethyllithium: preparation of one-carbon-extended carboxylic acids and thioacetals from alkenes via hydroboration Cheminform. 15. DOI: 10.1002/Chin.198432122 |
0.373 |
|
| 1984 |
BROWN HC, PERIASAMY M. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 44. EFFECT OF INCREASING ELECTRON N DEMAND ON THE CARBON-13 NMR SHIFTS IN 1-ARYL-1-HYDROXYETHYL CARBOCATIONS. DEVIATIONS IN THE ΣC+-ΔΔC+ PLOT FOR THESE PROTONATED ACETOPHENONES CONTAINING ST Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198410051 |
0.67 |
|
| 1984 |
BROWN HC, BHAT NG, BASAVAIAH D. ChemInform Abstract: A SIMPLE SYNTHESIS OF ALKYNYL KETONES VIA THEXYLCHLOROBORANE Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198409143 |
0.569 |
|
| 1984 |
BROWN HC, BASAVAIAH D, BHAT NG. ChemInform Abstract: ORGANOBORANES. 29. A CONVENIENT SYNTHESIS OF ALKYLDIBROMOBORANES AND DIALKYLBROMOBORANES VIA HYDROBORATION-REDISTRIBUTION Chemischer Informationsdienst. 15. DOI: 10.1002/chin.198402228 |
0.549 |
|
| 1984 |
Brown HC, Periasamy M, Perumal PT, Kelly DP, Giansiracusa JJ. Structural Effects In Solvolytic Reactions. 45. Carbon-13 Nmr Studies Of Carbocations. 9. Variation Of The Cationic Carbon Chemical Shifts With Increasing Electron Demand In 1,1-Diaryl-1-Ethyl Carbocations. Importance Of The Inductive Cheminform. 15. DOI: 10.1002/Chin.198402051 |
0.68 |
|
| 1983 |
Brown HC, Basavaiah D, Racherla US. Synthetic Applications of Organoboranes: A Simple Synthesis of Dihydrojasmone Synthesis. 1983: 886-888. DOI: 10.1055/S-1983-30549 |
0.536 |
|
| 1983 |
Brown HC, Bhat NG, Basavaiah D. A Simple Synthesis of Alkynyl Ketones via Thexylchloroborane Synthesis. 1983: 885-886. DOI: 10.1055/S-1983-30548 |
0.539 |
|
| 1983 |
Brown HC, Basavaiah D. Pheromone Synthesis via Organoboranes: A Convenient Stereospecific Synthesis of Racemic Disparlure, the Sex Pheromone of the Gypsy Moth (Porthetria dispar L.) Synthesis. 1983: 283-284. DOI: 10.1055/S-1983-30302 |
0.544 |
|
| 1983 |
Brown HC, Cole TE. Organoboranes. 31. A simple preparation of boronic esters from organolithium reagents and selected trialkoxyboranes Organometallics. 2: 1316-1319. DOI: 10.1021/Om50004A009 |
0.357 |
|
| 1983 |
Brown HC, Bhat NG, Somayaji V. Organoboranes. 30. Convenient procedures for the synthesis of alkyl- and alkenylboronic acids and esters Organometallics. 2: 1311-1316. DOI: 10.1021/Om50004A008 |
0.351 |
|
| 1983 |
Brown HC, Basavaiah D, Bhat NG. Organoboranes. 29. A convenient synthesis of alkyldibromoboranes and dialkylbromoboranes via hydroboration-redistribution Organometallics. 2: 1309-1311. DOI: 10.1021/Om50004A007 |
0.58 |
|
| 1983 |
Brown HC, Chandrasekharan J. Mechanism of hydroboration of alkenes by dibromoborane-methyl sulfide. Remarkable catalysis of the reaction by small quantities of boron tribromide Organometallics. 2: 1261-1263. DOI: 10.1021/Om50003A039 |
0.394 |
|
| 1983 |
Brown HC, Kim SC, Krishnamurthy S. A novel regiospecific alkylation of the aromatic nucleus via lithium trialkylborohydrides and aryl sulfones Organometallics. 2: 779-780. DOI: 10.1021/Om00078A020 |
0.361 |
|
| 1983 |
Brown HC, Chandrasekharan J, Wang KK. Hydroboration kinetics. 9. Kinetics and mechanism of the complex formation of 9-borabicyclo[3.3.1]nonane dimer with representative amines. Effect of steric hindrance on the reaction mechanism The Journal of Organic Chemistry. 48: 3689-3692. DOI: 10.1021/Jo00169A014 |
0.341 |
|
| 1983 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 44. Effect of increasing electron demand on the carbon-13 NMR shifts in 1-aryl-1-hydroxyethyl carbocations. Deviations in the .sigma.C+-.DELTA..delta.C+ plot for these protonated acetophenones containing strongly electron-withdrawing substituents The Journal of Organic Chemistry. 48: 3386-3388. DOI: 10.1021/Jo00168A004 |
0.666 |
|
| 1983 |
Brown HC, Chandrasekharan J. Hydroboration. 64. Effect of structure on the relative reactivity of representative alkenes and alkynes toward hydroboration by dibromoborane-methyl sulfide The Journal of Organic Chemistry. 48: 644-648. DOI: 10.1021/Jo00153A004 |
0.326 |
|
| 1983 |
Brown HC, Nelson DJ, Scouten CG. Hydroboration. 63. Kinetics and regiospecificity of the hydroboration of isomeric cis- and trans-alkenes via 9-borabicyclo[3.3.1]nonane (9-BBN). Effects of 1,1- and 1,2-dialkyl interactions The Journal of Organic Chemistry. 48: 641-643. DOI: 10.1021/Jo00153A003 |
0.532 |
|
| 1983 |
Brown HC, Periasamy M, Perumal PT, Kelly DP, Giansiracusa JJ. Structural effects in solvolytic reactions. 45. Carbon-13 NMR studies of carbocations. 9. Variation of the cationic carbon chemical shifts with increasing electron demand in 1,1-diaryl-1-ethyl carbocations. Importance of the inductive localized .pi.-polarization effect in causing deviations from linearity Journal of the American Chemical Society. 105: 6300-6305. DOI: 10.1021/Ja00358A019 |
0.664 |
|
| 1983 |
Brown HC, Imai T. Organoboranes. 32. Homologation of alkylboronic esters with methoxy(phenylthio)methyllithium: regio- and stereocontrolled aldehyde synthesis from olefins via hydroboration Journal of the American Chemical Society. 105: 6285-6289. DOI: 10.1021/Ja00358A017 |
0.325 |
|
| 1983 |
Brown HC, Wang KK, Chandrasekharan J. Hydroboration kinetics. 7. Kinetics and mechanism of the reduction of aldehydes and ketones with 9-borabicyclo[3.3.1]nonane dimer Journal of the American Chemical Society. 105: 2340-2343. DOI: 10.1021/Ja00346A038 |
0.33 |
|
| 1983 |
Brown HC, Jadhav PK. Asymmetric carbon-carbon bond formation via .beta.-allyldiisopinocampheylborane. Simple synthesis of secondary homoallylic alcohols with excellent enantiomeric purities Journal of the American Chemical Society. 105: 2092-2093. DOI: 10.1021/Ja00345A085 |
0.316 |
|
| 1983 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 43. Effect of increasing electron demand on the carbon-13 NMR shifts for 2-aryl-3-methyl-2-butyl cations. A static system becoming an equilibrating system with electron-withdrawing substituents Journal of the American Chemical Society. 105: 529-533. DOI: 10.1021/Ja00341A037 |
0.665 |
|
| 1983 |
Pelter A, Singaram S, Brown H. The dimesitylboron group in organic chemistry. 6 Hydroborations with dimesitylborane. Tetrahedron Letters. 24: 1433-1436. DOI: 10.1016/S0040-4039(00)81675-5 |
0.528 |
|
| 1983 |
Brown HC, Racherla US. Exceptionally rapid thermal isomerization of B-(3-hexyl)-bis(bicyclo[2.2.2]octyl)borane. A convenient and highly efficient synthetic route for the conversion of internal acyclic olefins into terminal olefins and their derivatives Journal of Organometallic Chemistry. 241: C37-C40. DOI: 10.1016/S0022-328X(00)98534-6 |
0.307 |
|
| 1983 |
Brown HC, Pai GG. Organoboranes Journal of Organometallic Chemistry. 250: 13-22. DOI: 10.1016/0022-328X(83)85036-0 |
0.39 |
|
| 1983 |
Krishnamurthy S, Brown HC. Selective reductions. 31. Lithium triethylborohydride as an exceptionally powerful nucleophile. A new and remarkably rapid methodology for the hydrogenolysis of alkyl halides under mild conditions The Journal of Organic Chemistry. 48: 3085-3091. DOI: 10.1002/Chin.198407128 |
0.32 |
|
| 1983 |
Brown HC, Basavaiah D, Bhat NG. General synthesis of alkylalkenylalkynylboranes via haloboranes Organometallics. 2: 1468-1470. DOI: 10.1002/Chin.198402231 |
0.538 |
|
| 1983 |
BROWN HC, PERIASAMY M. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 42. EFFECT OF INCREASING ELECTRON N DEMAND ON THE CARBON-13 NMR SHIFTS FOR SUBSTITUTED 9-METHYL-9-ANTHRACENIUM CATIONS. EVIDENCE FOR THE UNIMPORTANCE OF STERIC HINDRANCE TO COPLANARITY IN CA Chemischer Informationsdienst. 14. DOI: 10.1002/chin.198313062 |
0.669 |
|
| 1982 |
Brown HC, Lee HD, Kulkarni SU. A General, Stereoselective Synthesis oftrans-Disubstituted Alkenes via Thexylchloroborane Synthesis. 1982: 195-197. DOI: 10.1055/S-1982-29744 |
0.386 |
|
| 1982 |
Kulkarni SU, Lee HD, Brown HC. A Regioselective Synthesis of Ketones from Alkene and Haloalkyne Precursors via Thexylchloroborane Synthesis. 1982: 193-195. DOI: 10.1055/S-1982-29743 |
0.411 |
|
| 1982 |
Brown HC, Narasimhan S. Controlled hydroboration of alkenes by lithium borohydride induced by the reduction of carboxylic esters Organometallics. 1: 762-765. DOI: 10.1021/Om00065A020 |
0.328 |
|
| 1982 |
Brown HC, Sikorski JA. Organoboranes. 26. Boron-11 NMR investigation of reactions of 2,3-dimethyl-2-butene with monochloroborane complexes. Preparation and hydroboration characteristics of thexylchloroborane reagents Organometallics. 1: 28-37. DOI: 10.1021/Om00061A006 |
0.376 |
|
| 1982 |
Sikorski JA, Brown HC. Hydroboration. 60. Effect of structure on the relative reactivity of representative olefins toward hydroboration by thexylchloroborane-methyl sulfide The Journal of Organic Chemistry. 47: 872-876. DOI: 10.1021/Jo00344A023 |
0.304 |
|
| 1982 |
Brown HC, Sikorski JA, Kulkarni SU, Lee HD. Hydroboration. 59. Thexylchloroborane-methyl sulfide. A new stable monohydroborating agent with exceptional regioselectivity Journal of Organic Chemistry. 13: 863-872. DOI: 10.1021/Jo00344A022 |
0.303 |
|
| 1982 |
Krishnamurthy S, Brown HC. Selective reductions. 28. The fast reaction of lithium aluminum hydride with alkyl halides in tetrahydrofuran. A reappraisal of the scope of the reaction The Journal of Organic Chemistry. 47: 276-280. DOI: 10.1021/Jo00341A018 |
0.399 |
|
| 1982 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 39. Examination of the ability of the carbon-13 NMR shift-.sigma.C+ correlation for substituted benzylic cations to accommodate the highly electron donating 5-coumaranyl moiety. Evaluation of the significance of the .rho.C+ values observed for the simple aryldialkyl carbocations Journal of Organic Chemistry. 47: 5-8. DOI: 10.1021/Jo00340A002 |
0.685 |
|
| 1982 |
Brown HC, Jadhav PK, Mandal AK. Hydroboration. 62. Monoisopinocampheylborane; an excellent chiral hydroborating agent for trans-disubstituted and trisubstituted alkenes. Evidence for a strong steric dependence in such asymmetric hydroborations The Journal of Organic Chemistry. 47: 5074-5083. DOI: 10.1021/Jo00147A006 |
0.351 |
|
| 1982 |
Brown HC, Mandal AK, Yoon NM, Singaram B, Schwier JR, Jadhav PK. Organoboranes. 27. Exploration of synthetic procedures for the preparation of monoisopinocampheylborane The Journal of Organic Chemistry. 47: 5069-5074. DOI: 10.1021/Jo00147A005 |
0.532 |
|
| 1982 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 42. Effect of increasing electron demand on the carbon-13 NMR shifts for substituted 9-methyl-9-anthracenium cations. Evidence for the unimportance of steric hindrance to coplanarity in causing anomalous carbon-13 NMR shifts The Journal of Organic Chemistry. 47: 4742-4745. DOI: 10.1021/Jo00145A027 |
0.691 |
|
| 1982 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 41. The effect of coplanarity on the carbon-13 NMR shifts of substituted o-methyl-tert-cumyl cations The Journal of Organic Chemistry. 47: 4740-4742. DOI: 10.1021/Jo00145A026 |
0.672 |
|
| 1982 |
Brown HC, Narasimhan S, Choi YM. Selective reductions. 30. Effect of cation and solvent on the reactivity of saline borohydrides for reduction of carboxylic esters. Improved procedures for the conversion of esters to alcohols by metal borohydrides The Journal of Organic Chemistry. 47: 4702-4708. DOI: 10.1021/Jo00145A018 |
0.321 |
|
| 1982 |
Brown HC, Basavaiah D, Kulkarni SU. A general and stereospecific synthesis of trans-alkenes and regiospecific synthesis of ketones via stepwise hydroboration The Journal of Organic Chemistry. 47: 3808-3810. DOI: 10.1021/Jo00140A056 |
0.607 |
|
| 1982 |
Brown HC, Periasamy M, Kelly DP, Giansiracusa JJ. Structural effects in solvolytic reactions. 40. Carbon-13 nuclear magnetic resonance studies of carbocations. 8. Anomalous carbon-13 chemical shifts with increasing electron demand in the 2-aryl-2-norbornyl cations and related systems. Evidence that these anomalous shifts are not diagnostic for the onset of nonclassical .sigma. bridging Journal of Organic Chemistry. 47: 2089-2101. DOI: 10.1021/Jo00132A021 |
0.666 |
|
| 1982 |
Wang KK, Brown HC. Hydroboration Kinetics. 6.1Hydroboration of Alkenes with 9-Borabicyclo[3.3.1]nonane Dimer and 9-Borabicyclo[3.3.1]nonane-Lewis Base Complexes in Various Solvents: An Interpretation of the Catalytic Effect of Ether Solvents on the Hydroboration Reaction Journal of the American Chemical Society. 104: 7148-7155. DOI: 10.1021/Ja00389A043 |
0.378 |
|
| 1982 |
Brown HC, Jadhav PK, Desai MC. General synthesis of chiral borinic acid esters. Asymmetric synthesis of acyclic ketones via asymmetric hydroboration-carbenoidation Journal of the American Chemical Society. 104: 6844-6846. DOI: 10.1021/Ja00388A091 |
0.393 |
|
| 1982 |
Nelson DJ, Blue CD, Brown HC. Hydroboration kinetics. 5. Kinetics of the reaction of 9-borabicyclo[3.3.1]nonane with representative haloalkynes in carbon tetrachloride. The effect of halogen substitution upon the stoichiometry and rate of hydroboration Journal of the American Chemical Society. 104: 4913-4917. DOI: 10.1021/Ja00382A029 |
0.605 |
|
| 1982 |
Nelson DJ, Brown HC. Hydroboration kinetics. 4. Kinetics and mechanism of the reaction of 9-borabicyclo[3.3.1]nonane with representative haloalkenes. The effect of halogen substitution upon the rate of hydroboration Journal of the American Chemical Society. 104: 4907-4912. DOI: 10.1021/Ja00382A028 |
0.596 |
|
| 1982 |
Brown HC, Jadhav PK, Desai MC. Direct chiral synthesis of boronic acids and esters of high optical purity via asymmetric hydroboration-displacement Journal of the American Chemical Society. 104: 4303-4304. DOI: 10.1021/Ja00379A068 |
0.355 |
|
| 1982 |
Brown HC, Singaram B, Singaram S. Investigations in the synthesis of alkyl-substituted borohydrides Journal of Organometallic Chemistry. 239: 43-64. DOI: 10.1016/S0022-328X(00)94102-0 |
0.624 |
|
| 1982 |
Brown HC, Kulkarni SU. Haloboranes and their alkyl derivatives Journal of Organometallic Chemistry. 239: 23-41. DOI: 10.1016/S0022-328X(00)94101-9 |
0.359 |
|
| 1982 |
Kulkarni UU, Basavaiah D, Brown HC. Iodine induced transfer of dialkylvinylboranes produced by the hydridation of dialkylhaloboranes in the presence of 1-alkynes. Generalization of the zweifel cis- alkene synthesis Journal of Organometallic Chemistry. 225: C1-C5. DOI: 10.1016/S0022-328X(00)86837-0 |
0.601 |
|
| 1982 |
Brown HC, Basavaiah D, Kulkarni SU. Hydroboration. LVIII. Monohydroboration of alkynes with representative dialkylboranes of varying steric requirements. A general synthesis of dialkylvinylboranes Journal of Organometallic Chemistry. 225: 63-69. DOI: 10.1016/S0022-328X(00)86811-4 |
0.606 |
|
| 1982 |
NELSON DJ, BROWN HC. ChemInform Abstract: HYDROBORATION KINETICS. 4. KINETICS AND MECHANISM OF THE REACTION OF 9-BORABICYCLO(3.3.1)NONANE WITH REPRESENTATIVE HALOALKENES. THE EFFECT OF HALOGEN SUBSTITUTION UPON THE RATE OF HYDROBORATION Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198249252 |
0.561 |
|
| 1982 |
Brown HC, Periasamy M, Kelly DP, Giansiracusa JJ. Structural Effects In Solvolytic Reactions. 40. Carbon-13 Nuclear Magnetic Resonance Studies Of Carbocations. 8. Anomalous Carbon-13 Chemical Shifts With Increasing Electron Demand In The 2-Aryl-2-Norbornyl Cations And Related Systems Cheminform. 13. DOI: 10.1002/Chin.198249059 |
0.667 |
|
| 1982 |
BROWN HC, PAI GG. ChemInform Abstract: A Simple Synthesis of Borinane. Chemischer Informationsdienst. 13. DOI: 10.1002/Chin.198233237 |
0.377 |
|
| 1982 |
Brown HC, Lee HD, Kulkarni SU. A General, Stereoselective Synthesis of trans-Disubstituted Alkenes via Thexylchloroborane Synthesis. 1982: 195-197. DOI: 10.1002/Chin.198229110 |
0.398 |
|
| 1982 |
BROWN HC, PERIASAMY M. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 39. EXAMINATION OF THE ABILITY OF F THE CARBON-13 NMR SHIFT-ΣC+ CORRELATION FOR SUBSTITUTED BENZYLIC CATIONS TO ACCOMMODATE THE HIGHLY ELECTRON DONATING 5-COUMARANYL MOIETY. EVALUATION OF TH Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198222065 |
0.665 |
|
| 1982 |
KULKARNI SU, BASAVAIAH D, ZAIDLEWICZ M, BROWN HC. ChemInform Abstract: RATIONAL SYNTHESES OF MIXED DIALKYLHALOBORANES (RARBBX) AND MIXED TRIALKYLBORANES (RARBRCB) VIA STEPWISE HYDRIDATION-HYDROBORATION OF ALKYLDIHALOBORANES Chemischer Informationsdienst. 13. DOI: 10.1002/Chin.198220254 |
0.538 |
|
| 1982 |
BROWN HC, SINGARAM B, MATHEW PC. ChemInform Abstract: ADDITION COMPOUNDS OF ALKALI-METAL HYDRIDES. 21. RAPID REACTION OF DIALKYL- AND MONOALKYLBORANES WITH LITHIUM ALUMINUM HYDRIDE IN THE PRESENCE OF TRIETHYLENEDIAMINE. A FACILE AND QUANTITATIVE SYNTHESIS OF LITHIUM DIALKYL- AND MONOALKY Chemischer Informationsdienst. 13. DOI: 10.1002/Chin.198219281 |
0.607 |
|
| 1982 |
SODERQUIST JA, BROWN HC. ChemInform Abstract: SIMPLE, REMARKABLY EFFICIENT ROUTE TO HIGH PURITY, CRYSTALLINE 9-BORABICYCLO(3.3.1)NONANE (9-BBN) DIMER Chemischer Informationsdienst. 13. DOI: 10.1002/chin.198219278 |
0.545 |
|
| 1981 |
Brown HC, Narasimhan S, Choi YM. Improved Procedure for Borane-Dimethyl Sulfide Reduction of Tertiary and Secondary Amides in the Presence of Boron Trifluoride Etherate Synthesis. 1981: 996-997. DOI: 10.1055/S-1981-29677 |
0.345 |
|
| 1981 |
Brown HC, Narasimhan S, Choi YM. Improved Procedure for Borane-Dimethyl Sulfide Reduction of Primary Amides to Amines Synthesis. 1981: 441-442. DOI: 10.1055/S-1981-29473 |
0.314 |
|
| 1981 |
Brown HC, Choi YM. Improved Procedure for Borane-Dimethyl Sulfide Reduction of Carboxylic Esters Synthesis. 1981: 439-440. DOI: 10.1055/S-1981-29472 |
0.331 |
|
| 1981 |
Brown HC, Jadav PK. High asymmetric induction in the chiral hydroboration of trans-alkenes with isopinocampheylborane. Evidence for a strong steric dependence in such asymmetric hydroborations Journal of Organic Chemistry. 13: 5047-5048. DOI: 10.1021/Jo00337A060 |
0.345 |
|
| 1981 |
Soderquist JA, Brown HC. Simple, remarkably efficient route to high purity, crystalline 9-borabicyclo[3.3.1]nonane (9-BBN) dimer The Journal of Organic Chemistry. 46: 4599-4600. DOI: 10.1021/Jo00335A067 |
0.57 |
|
| 1981 |
Brown HC, Singaram B, Mathew PC. Addition compounds of alkali-metal hydrides. 21. Rapid reaction of dialkyl- and monoalkylboranes with lithium aluminum hydride in the presence of triethylenediamine. A facile and quantitative synthesis of lithium dialkyl- and monoalkylborohydrides The Journal of Organic Chemistry. 46: 4541-4544. DOI: 10.1021/Jo00335A044 |
0.599 |
|
| 1981 |
Brown HC, Racherla US, Taniguchi H. Exceptionally rapid thermal isomerization of B-(3-hexyl)bis(2,5-dimethylcyclohexyl)borane. A sterically enhanced, highly efficient synthetic route for the conversion of internal acyclic olefins into terminal olefins and their derivatives The Journal of Organic Chemistry. 46: 4313-4314. DOI: 10.1021/Jo00334A050 |
0.339 |
|
| 1981 |
Brown HC, Geoghegan PJ, Kurek JT. Solvomercuration-demercuration. 10. Oxymercuration-demercuration of olefins with the mercuric salts: acetate, trifluoroacetate, nitrate, and methanesulfonate The Journal of Organic Chemistry. 46: 3810-3812. DOI: 10.1021/Jo00332A009 |
0.334 |
|
| 1981 |
Brown HC, Kelly DP, Periasamy M. Structural effects in solvolytic reactions. 38. Carbon-13 NMR studies of carbocations. 6. Effect of increasing electron demand on the chemical shifts of the .alpha.-carbon atoms in substituted aryldialkyl carbocations. Correlation of the data with a new set of substituent constants, .sigma..alpha.-C+ Journal of Organic Chemistry. 46: 3170-3174. DOI: 10.1021/Jo00329A003 |
0.676 |
|
| 1981 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 37. Effect of increasing electron demand on carbon-13 NMR shifts in the 9-aryl-exo-5,6-trimethylene- and 9-aryl-endo-5,6-trimethylene-9-norbornyl carbocations. Effect of the cationic carbon center on remote carbon atoms in the skeleton as revealed by increasing electron demand The Journal of Organic Chemistry. 46: 3166-3170. DOI: 10.1021/Jo00329A002 |
0.675 |
|
| 1981 |
Brown HC, Periasamy M. Structural effects in solvolytic reactions. 36. Effect of increasing electron demand on carbon-13 NMR shifts in the 1-aryl-1-cyclohexyl and 1-aryl-1-cycloheptyl carbocations. Further test of the ability of the .sigma.C+ constants to correlate carbon-13 NMR shifts The Journal of Organic Chemistry. 46: 3161-3165. DOI: 10.1021/Jo00329A001 |
0.682 |
|
| 1981 |
Jadhav PK, Brown HC. Dilongifolylborane: a new effective chiral hydroborating agent with intermediate steric requirements The Journal of Organic Chemistry. 46: 2988-2990. DOI: 10.1021/Jo00327A036 |
0.315 |
|
| 1981 |
Brown HC, Singaram B, Mathew CP. Addition compounds of alkali metal hydrides. 20. Reaction of representative mono- and dialkylboranes with saline hydrides to form the corresponding alkylborohydrides The Journal of Organic Chemistry. 46: 2712-2717. DOI: 10.1021/Jo00326A022 |
0.564 |
|
| 1981 |
Brown HC, Periasamy M, Liu K. Structural effects in solvolytic reactions. 35. Carbon-13 nuclear magnetic resonance studies of carbocations. Effect of increasing electron demand on the carbon-13 nuclear magnetic resonance shifts in 2-aryl-2-butyl and 4-aryl-4-heptyl carbocations. Correlation of the data by a new set of substituent constants The Journal of Organic Chemistry. 46: 1646-1650. DOI: 10.1021/Jo00321A024 |
0.661 |
|
| 1981 |
Brown HC, Lynch GJ. Solvomercuration-demercuration. 9. Oxymercuration-demercuration of chloro-, epoxy-, and thiomethyl-substituted alkenes Journal of Organic Chemistry. 12: 930-939. DOI: 10.1021/Jo00318A019 |
0.394 |
|
| 1981 |
Brown HC, Ford TM. Synthesis of methylenecycloalkanes from cycloalkenes via borane chemistry Journal of Organic Chemistry. 46: 647-648. DOI: 10.1021/Jo00316A038 |
0.365 |
|
| 1981 |
Brown HC, Molander GA. Stereospecific synthesis of conjugated enynes from alkenyldialkylboranes via alkenylcopper intermediates The Journal of Organic Chemistry. 46: 645-647. DOI: 10.1021/Jo00316A037 |
0.562 |
|
| 1981 |
Brown HC, Lynch GJ. Solvomercuration-demercuration. 8. Oxymercuration-demercuration of methoxy-, hydroxy-. and acetoxy-substituted alkenes Journal of Organic Chemistry. 12: 531-538. DOI: 10.1021/Jo00316A011 |
0.414 |
|
| 1981 |
Brown HC, Choi YM, Narasimhan S. Convenient procedure for the conversion of sodium borohydride into lithium borohydride in simple ether solvents Inorganic Chemistry. 20: 4454-4456. DOI: 10.1021/Ic50226A091 |
0.33 |
|
| 1981 |
Brown HC, Jadhav PK, Mandal AK. Asymmetric syntheses via chiral organoborane reagents Tetrahedron. 37: 3547-3587. DOI: 10.1016/S0040-4020(01)98886-6 |
0.362 |
|
| 1981 |
Brown HC, Hubbard JL, Singaram B. Addition compounds of alkali metal hydrides-XIX1 1 Part XVIII in this series: see Ref 16. Rapid reaction of trialkylboranes with lithium aluminum hydride in the presence of triethylene-diamine. A facile and quantitative synthesis of lithium trialkylborohydrides, including derivatives with exceptionally large steric requirements Tetrahedron. 37: 2359-2362. DOI: 10.1016/S0040-4020(01)88889-X |
0.637 |
|
| 1981 |
Brown HC, Kelly DP, Periasamy M. STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 38. CARBON-13 NMR STUDIES OF CARBOCATIONS. 6. EFFECT OF INCREASING ELECTRON DEMAND ON THE CHEMICAL SHIFTS OF THE α-CARBON ATOMS IN SUBSTITUTED ARYLDIALKYL CARBOCATIONS. CORRELATION OF THE DA Cheminform. 12. DOI: 10.1002/Chin.198150069 |
0.682 |
|
| 1981 |
BROWN HC, PERIASAMY M. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 36. EFFECT OF INCREASING ELECTRON N DEMAND ON CARBON-13 NMR SHIFTS IN THE 1-ARYL-1-CYCLOHEXYL AND 1-ARYL-1-CYCLOHEPTYL CARBOCATIONS. FURTHER TEST OF THE ABILITY OF THE ΣC+ CONSTANTS TO CORRE Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198149049 |
0.674 |
|
| 1981 |
BROWN HC, PERIASAMY M. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 37. EFFECT OF INCREASING ELECTRON N DEMAND ON CARBON-13 NMR SHIFTS IN THE 9-ARYL-EXO-5,6-TRIMETHYLENE- AND 9-ARYL-ENDO-5,6-TRIMETHYLENE-9-NORBORNYL CARBOCATIONS. EFFECT OF THE CATIONIC CARBO Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198149048 |
0.704 |
|
| 1981 |
BROWN HC, CAMPBELL JBJ. ChemInform Abstract: SYNTHESIS AND APPLICATIONS OF VINYLIC ORGANOBORANES Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198144346 |
0.365 |
|
| 1981 |
BROWN HC, HUBBARD JL, SINGARAM B. ChemInform Abstract: ADDITION COMPOUNDS OF ALKALI METAL HYDRIDES. XIX. RAPID REACTION OF TRIALKYLBORANES WITH LITHIUM ALUMINUM HYDRIDE IN THE PRESENCE OF TRIETHYLENEDIAMINE. A FACILE AND QUANTITATIVE SYNTHESIS OF LITHIUM TRIALKYLBOROHYDRIDES, INCLUDING DE Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198141232 |
0.605 |
|
| 1981 |
Brown HC, Ford TM. Synthesis Of Methylenecycloalkanes From Cycloalkenes Via Borane Chemistry Cheminform. 12. DOI: 10.1002/Chin.198128179 |
0.365 |
|
| 1981 |
SINGARAM B, MOLANDER GA, BROWN HC. ChemInform Abstract: REACTION OF B-(1-ALKENYL)-DIALKYLBORANES WITH ISOCYANATES Chemischer Informationsdienst. 12. DOI: 10.1002/Chin.198120182 |
0.655 |
|
| 1981 |
SODERQUIST JA, BROWN HC. ChemInform Abstract: HYDROBORATION. 56. CONVENIENT AND REGIOSPECIFIC ROUTE TO FUNCTIONALIZED ORGANOSILANES THROUGH THE HYDROBORATION OF ALKENYLSILANES Chemischer Informationsdienst. 12. DOI: 10.1002/chin.198104272 |
0.534 |
|
| 1980 |
Brown HC, Kelly DP, Periasamy M. Structural effects in solvolytic reactions; carbon-13 NMR studies of carbocations: Effect of increasing electron demand on the carbon-13 NMR shifts in substituted tert-cumyl and 1-aryl-1-cyclopentyl carbocations-correlation of the data by a new set of substituent constants, sigma. Proceedings of the National Academy of Sciences of the United States of America. 77: 6956-60. PMID 16592926 DOI: 10.1073/Pnas.77.12.6956 |
0.678 |
|
| 1980 |
Brown HC, Wang KK, Scouten CG. Hydroboration kinetics: Unusual kinetics for the reaction of 9-borabicyclo[3.3.1]nonane with representative alkenes. Proceedings of the National Academy of Sciences of the United States of America. 77: 698-702. PMID 16592773 DOI: 10.1073/Pnas.77.2.698 |
0.382 |
|
| 1980 |
Kulkarni SU, Lee HD, Brown HC. A general synthesis of ketones from alkenes via stepwise hydroboration with thexylchloroborane Journal of Organic Chemistry. 12: 4542-4543. DOI: 10.1021/Jo01310A069 |
0.395 |
|
| 1980 |
Brown HC, Ford TM, Hubbard JL. Homologation of organoboranes via carbonylation-reduction Journal of Organic Chemistry. 12: 4067-4068. DOI: 10.1021/Jo01308A032 |
0.302 |
|
| 1980 |
Soderquist JA, Brown HC. Hydroboration. 56. Convenient and regiospecific route to functionalized organosilanes through the hydroboration of alkenylsilanes The Journal of Organic Chemistry. 45: 3571-3578. DOI: 10.1021/Jo01306A006 |
0.554 |
|
| 1980 |
Mandal AK, Jadhav PK, Brown HC. Monoisopinocampheylborane: an excellent chiral hydroborating agent for phenyl-substituted tertiary olefins. Synthesis of alcohols approaching 100% enantiomeric excess The Journal of Organic Chemistry. 45: 3543-3544. DOI: 10.1021/Jo01305A047 |
0.351 |
|
| 1980 |
Brown HC, Rao CG. Structural effects in solvolytic reactions. 33. Exo-endo rate ratios in solvolysis of 2-norbornyl chlorides in aqueous acetone of widely variable water content The Journal of Organic Chemistry. 45: 2113-2116. DOI: 10.1021/Jo01299A017 |
0.314 |
|
| 1980 |
Krishnamurthy S, Brown HC. Selective reductions. 27. Reaction of alkyl halides with representative complex metal hydrides and metal hydrides. Comparison of various hydride reducing agents The Journal of Organic Chemistry. 45: 849-856. DOI: 10.1021/Jo01293A018 |
0.304 |
|
| 1980 |
Brown HC, Soderquist JA. Molecular addition compounds. 8. Carbon-13 and boron-11 NMR examination of .beta.-substituted derivatives of 9-borabicyclo[3.3.1]nonane and their pyridine complexes The Journal of Organic Chemistry. 45: 846-849. DOI: 10.1021/jo01293a017 |
0.526 |
|
| 1980 |
Brown HC, Campbell JB. Hydroboration. 55. Hydroboration of alkynes with dibromoborane-dimethyl sulfide. Convenient preparation of alkenyldibromoboranes The Journal of Organic Chemistry. 45: 389-395. DOI: 10.1021/Jo01291A004 |
0.405 |
|
| 1980 |
Brown HC, Ravindran N, Kulkarni SU. Hydroboration. 54. New general synthesis of alkyldihaloboranes via hydroboration of alkenes with dihaloborane-dimethyl sulfide complexes. Unusual trends in the reactivities and directive effects The Journal of Organic Chemistry. 45: 384-389. DOI: 10.1021/Jo01291A003 |
0.354 |
|
| 1980 |
Brown HC, Kim SC, Krishnamurthy S. Selective reductions. 26. Lithium triethylborohydride as an exceptionally powerful and selective reducing agent in organic synthesis. Exploration of the reactions with selected organic compounds containing representative functional groups The Journal of Organic Chemistry. 45: 1-12. DOI: 10.1021/Jo01289A001 |
0.335 |
|
| 1980 |
Brown HC, Singaram B. Molecular addition compounds. 7. Synthesis of addition compounds of boron trifluoride, borane, and alane with N,N,N'N'-tetramethylethylenediamine and triethylenediamine by precipitation from ether solvents Inorganic Chemistry. 19: 455-457. DOI: 10.1021/ic50204a034 |
0.452 |
|
| 1980 |
Brown HC, Kramer GW, Hubbard JL, Krishnamurthy S. Addition compounds of alkali metal hydrides Journal of Organometallic Chemistry. 188: 1-10. DOI: 10.1016/S0022-328X(00)83693-1 |
0.444 |
|
| 1980 |
BROWN HC, SODERQUIST JA. ChemInform Abstract: MOLECULAR ADDITION COMPOUNDS. 8. CARBON-13 AND BORON-11 NMR EXAMINATION OF β-SUBSTITUTED DERIVATIVES OF 9-BORABICYCLO(3.3.1)NONANE AND THEIR PYRIDINE COMPLEXES Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198028250 |
0.541 |
|
| 1980 |
CAMPBELL JBJ, BROWN HC. ChemInform Abstract: STEREOSPECIFIC SYNTHESIS OF SYMMETRICAL CONJUGATED DIENES WITH ALKENYLCOPPER INTERMEDIATES FROM ALKENYLDIALKYLBORANES Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198021147 |
0.312 |
|
| 1980 |
BROWN HC, HUBBARD JL, SINGARAM B. ChemInform Abstract: RAPID REACTION OF TRIALKYLBORANES WITH LITHIUM ALUMINUM HYDRIDE IN THE PRESENCE OF TRIETHYLENEDIAMINE. FACILE AND QUANTITATIVE SYNTHESIS OF LITHIUM TRIALKYLBOROHYDRIDES INCLUDING DERIVATIVES WITH EXCEPTIONALLY LARGE STERIC REQUIREMENT Chemischer Informationsdienst. 11. DOI: 10.1002/chin.198018257 |
0.329 |
|
| 1979 |
Brown HC, Kulkarni SU, Rao CG. Facile Oxidation of Trialkyl Borates to Aldehydes and Ketones with Pyridinium Chlorochromate. A Remarkable Oxidizability of Such Borate Esters as Compared to Acetates Synthesis. 1979: 702-704. DOI: 10.1055/S-1979-28801 |
0.33 |
|
| 1979 |
Brown HC, Hubbard JL, Smith K. Carbonylation of Organoboranes in the Presence of Potassium Triisopropoxyborohydride; A Superior Reagent for the Synthesis of Aldehydes or Primary Alcohols from Alkenes via Hydroboration-Carbonylation Synthesis. 1979: 701-702. DOI: 10.1055/S-1979-28800 |
0.345 |
|
| 1979 |
Molander GA, Brown HC. Reaction of 9-(1-Alkynyl)-9-borabicyclo[3.3.1]nonanes with Isocyanates Synthesis. 1979: 104-105. DOI: 10.1055/s-1979-28572 |
0.489 |
|
| 1979 |
Brown HC, Rao CG. Structural effects in solvolytic reactions. 32. Effect of increasing electron demand on the rates of solvolysis of 2-aryl-3-methylene-2-norbornyl p-nitrobenzoates. High exo/endo rate and product ratios for tertiary derivatives of the accepted classical 3-methylene-2-norbornyl system The Journal of Organic Chemistry. 44: 3536-3540. DOI: 10.1021/Jo01334A019 |
0.355 |
|
| 1979 |
Brown HC, Scouten CG, Wang KK. Unusual kinetics for the hydroboration of alkenes with 9-borabicyclo[3.3.1]nonane The Journal of Organic Chemistry. 44: 2589-2591. DOI: 10.1021/Jo01328A061 |
0.317 |
|
| 1979 |
Brown HC, Kulkarni SU. Hydroboration. 53. Cyclic hydroboration of 1,5-cyclooctadiene with monohaloborane complexes. A simple, convenient synthesis of B-halo-9-borabicyclo[3.3.1]nonanes The Journal of Organic Chemistry. 44: 2422-2425. DOI: 10.1021/Jo01328A018 |
0.308 |
|
| 1979 |
Brown HC, Lynch GJ, Hammar WJ, Liu LC. Solvomercuration-demercuration. 7. Regio- and stereochemistry of the oxymercuration-demercuration of alkyl-substituted cyclohexenes and cyclopentenes Journal of Organic Chemistry. 10: 1910-1915. DOI: 10.1021/Jo01326A003 |
0.422 |
|
| 1979 |
Brown HC, Rao CG. Simple stereospecific synthesis of endo-norbornyl chloride The Journal of Organic Chemistry. 44: 1348-1349. DOI: 10.1021/Jo01322A036 |
0.403 |
|
| 1979 |
Brown HC, Rao CG. Structural effects in solvolytic reactions. 30. Solvolysis of 2-(5'-coumaranyl)-2-norbornyl p-nitrobenzoates. Evidence for unimportance of .sigma. participation as a factor in high exo/endo rate, product ratios realized in solvolysis of exceptionally highly stabilized tertiary 2-norbornyl derivatives The Journal of Organic Chemistry. 44: 133-136. DOI: 10.1021/Jo01315A029 |
0.327 |
|
| 1979 |
Brown HC, Hubbard JL, Singaram B. Rapid reaction of trialkylboranes with lithium aluminum hydride in the presence of triethylenediamine. Facile and quantitative synthesis of lithium trialkylborohydrides including derivatives with exceptionally large steric requirements The Journal of Organic Chemistry. 44: 5004-5005. DOI: 10.1021/Jo00394A067 |
0.639 |
|
| 1979 |
Brown HC, Liotta R, Kramer GW. Hydroboration. 51. Hydroboration of representative allenes with 9-borabicyclo[3.3.1]nonane. An exceptional directive effect providing a direct synthesis of B-allyl-9-borabicyclo[3.3.1]nonane derivatives Journal of the American Chemical Society. 101: 2966-2970. DOI: 10.1021/Ja00505A025 |
0.358 |
|
| 1979 |
Brown HC, Rao CG, Vander Jagt DL. Structural effects in solvolytic reactions. 31. High exo:endo rate and product ratios in the solvolyses of the 2-methyl-, 2-phenyl-, and 2-(5'-coumaranyl)-exo-5,6-trimethylene-2-norbornyl p-nitrobenzoates Journal of the American Chemical Society. 101: 1780-1783. DOI: 10.1021/Ja00501A023 |
0.351 |
|
| 1979 |
Brown HC, Scouten CG, Liotta R. Hydroboration. 50. Hydroboration of representative alkynes with 9-borabicyclo[3.3.1]nonane - a simple synthesis of versatile vinyl bora and gem-dibora intermediates Journal of the American Chemical Society. 101: 96-99. DOI: 10.1021/Ja00495A016 |
0.423 |
|
| 1979 |
Pelter A, Ryder DJ, Sheppard JH, Subrahmanyam C, Brown HC, Mandal AK. The direct production of monoisopinocampheylborane by the redistribution of diisopinocampheylborane with borane Tetrahedron Letters. 20: 4777-4780. DOI: 10.1016/S0040-4039(01)86708-3 |
0.484 |
|
| 1979 |
Brown HC, Kulkarni SU. Organoboranes. XXIV. Facile substitution and exchange reactions of 9-borabicyclo[3.3.1]nonane (9-BBN) and its B-substituted derivatives. Simple convenient preparations of B-halo derivatives Journal of Organometallic Chemistry. 168: 281-293. DOI: 10.1016/S0022-328X(00)83211-8 |
0.352 |
|
| 1979 |
Brown HC, Krishnamurthy S, Hubbard JL, Coleman RA. Addition compounds of alkali metal hydrides Journal of Organometallic Chemistry. 166: 281-291. DOI: 10.1016/S0022-328X(00)82545-0 |
0.369 |
|
| 1979 |
Brown HC, Krishnamurthy S, Hubbard JL. Addition compounds of alkali metal hydrides Journal of Organometallic Chemistry. 166: 271-280. DOI: 10.1016/S0022-328X(00)82544-9 |
0.432 |
|
| 1979 |
Gundu Rao C, Kulkarni SU, Brown HC. Oxidation of organoboranes containing primary alkyl groups with pyridinium chlorochromate. A direct synthesis of aldehydes from terminal alkenes Journal of Organometallic Chemistry. 172. DOI: 10.1016/S0022-328X(00)81054-2 |
0.349 |
|
| 1979 |
Brown HC, Krishnamurthy S. Forty years of hydride reductions Tetrahedron. 35: 567-607. DOI: 10.1016/0040-4020(79)87003-9 |
0.338 |
|
| 1979 |
BROWN HC, RAO CG. ChemInform Abstract: SIMPLE STEREOSPECIFIC SYNTHESIS OF ENDO-NORBORNYL CHLORIDE Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197934184 |
0.306 |
|
| 1979 |
MOLANDER GA, BROWN HC. ChemInform Abstract: REACTION OF 9-(1-ALKYNYL)-9-BORABICYCLO(3.3.1)NONANES WITH ISOCYANATES Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197921206 |
0.513 |
|
| 1979 |
BROWN HC, SCOUTEN CG, LIOTTA T. ChemInform Abstract: HYDROBORATION. 50. HYDROBORATION OF REPRESENTATIVE ALKYNES WITH 9-BORABICYCLO(3.3.1)NONANE - A SIMPLE SYNTHESIS OF VERSATILE VINYL BORA AND GEM-DIBORA INTERMEDIATES Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197915293 |
0.314 |
|
| 1979 |
BROWN HC, SINGARAM B. ChemInform Abstract: MOLECULAR ADDITION COMPOUNDS. 6. ADDITION COMPOUNDS OF ETHYLENEDIAMINE WITH BORON TRIFLUORIDE AND DIALKYLBORANES Chemischer Informationsdienst. 10. DOI: 10.1002/chin.197915291 |
0.452 |
|
| 1978 |
HUBBARD JL, BROWN HC. Hydride-Induced Carbonylation of Trialkylboranes Followed by Treatment with Acid and Oxidation. A New Synthesis of Dialkylcarbinols under Mild Conditions Synthesis. 1978: 676-677. DOI: 10.1055/S-1978-24849 |
0.311 |
|
| 1978 |
BROWN HC, MANDAL AK. An Improved Synthesis of Monoisopinocampheylborane Synthesis. 1978: 146-147. DOI: 10.1055/S-1978-24695 |
0.312 |
|
| 1978 |
Brown HC, Rao CG, Ravindranathan M. Structural effects in solvolytic reactions. 29. Solvolysis of tertiary allylic p-nitrobenzoates. Effect of the allylic double bond on the rates of solvolysis of representative tertiary p-nitrobenzoates The Journal of Organic Chemistry. 43: 4939-4943. DOI: 10.1021/Jo00420A009 |
0.334 |
|
| 1978 |
Brown HC, Schwier JR, Singaram B. Simple synthesis of monoisopinocampheylborane of high optical purity The Journal of Organic Chemistry. 43: 4395-4397. DOI: 10.1021/Jo00416A042 |
0.537 |
|
| 1978 |
Brown HC, Ravindranathan M, Rao CG, Chloupek FJ, Rei M. Structural effects in solvolytic reactions. 27. Solvolysis of the exo- and endo-1,2-diphenyl-2-norbornyl and -1,2-dimethyl-2-norbornyl p-nitrobenzoates and chlorides. Evidence for the classical nature of 1,2-disubstituted tertiary 2-norbonyl cations and structure of the parent 2-norbornyl cation Journal of Organic Chemistry. 43: 3667-3678. DOI: 10.1021/Jo00413A007 |
0.306 |
|
| 1978 |
Brown HC, Rao CG. An improved general synthesis of 1-aryl-1-cyclopropanols The Journal of Organic Chemistry. 43: 3602-3604. DOI: 10.1021/Jo00412A041 |
0.354 |
|
| 1978 |
Brown HC, Ravindranathan M. Structural effects in solvolytic reactions. 25. Solvolysis of aryl(2-norbornyl)methylcarbinyl p-nitrobenzoates. Search for a special stereoelectronic effect with the tool of increasing electron demand The Journal of Organic Chemistry. 43: 1709-1712. DOI: 10.1021/Jo00403A018 |
0.301 |
|
| 1978 |
Brown HC, Rao CG, Ravindranathan M. Structural effects in solvolytic reactions. 28. Solvolysis of 1-aryl-1-cyclopropyl 3,5-dinitrobenzoates containing strongly electron-supplying aryl groups. Evidence for two distinct reaction processes involving assisted (K.DELTA.) and unassisted (Kc) mechanisms Journal of the American Chemical Society. 100: 7946-7953. DOI: 10.1021/Ja00493A026 |
0.364 |
|
| 1978 |
Brown HC, Krishnamurthy S, Hubbard JL. Addition compounds of alkali metal hydrides. 15. Steric effects in the reaction of representative trialkylboranes with lithium and sodium hydrides to form the corresponding trialkylborohydrides Journal of the American Chemical Society. 100: 3343-3349. DOI: 10.1021/Ja00479A016 |
0.359 |
|
| 1978 |
Brown HC, Ravindranathan M, Rao CG. Structural effects in solvolytic reactions. 24. Solvolysis of 1-cycloalkyl-1-aryl-1-ethyl p-nitrobenzoates. Effect of .alpha.-cycloalkyl groups in stabilizing an electron-deficient center as revealed by the tool of increasing electron demand Journal of the American Chemical Society. 100: 1218-1222. DOI: 10.1021/Ja00472A031 |
0.309 |
|
| 1978 |
Brown HC, Hammar WJ. Additions to bicyclic olefins—X: Stereochemistry of the oxymercuration-demercuration of cis-bicyclo[3.3.0]oct-2-ene, endo-trimethylene-norborn-8-ene and related olefins Tetrahedron. 34: 3405-3411. DOI: 10.1016/0040-4020(78)80226-9 |
0.337 |
|
| 1978 |
BROWN HC, DE LUE NR, YAMAMOTO Y, MARUYAMA K, KASAHARA T, MURAHASHI S, SONODA A. ChemInform Abstract: ORGANOBORANES. 23. REACTION OF ORGANOLITHIUM AND GRIGNARD REAGENTS WITH α-BROMOALKYLBORONATE ESTERS. A CONVENIENT, ESSENTIALLY QUANTITATIVE PROCEDURE FOR THE SYNTHESIS OF TERTIARY ALKYL-, BENZYL-, PROPARGYL-, AND STEREOSPECIFIC ALLYLB Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197815273 |
0.319 |
|
| 1978 |
MOLANDER GA, BROWN HC. ChemInform Abstract: CONJUGATE ADDITION-ELIMINATION IN THE REACTION OF β-1-ALKYNYL-9-BORABICYCLO(3.3.1)NONANES WITH 4-METHOXY-3-BUTEN-2-ONE AND RELATED DERIVATIVES. A CONVENIENT NEW ROUTE TO CONJUGATED ENYNONES Chemischer Informationsdienst. 9. DOI: 10.1002/chin.197801186 |
0.496 |
|
| 1977 |
BROWN HC, RAVINDRAN N. Monobromoborane: Dimethyl Sulfide; A New Stable Reagent for Hydroboration, Providing a General Synthesis of Dialkylbromoboranes and their Derivatives Synthesis. 1977: 695-697. DOI: 10.1055/S-1977-24538 |
0.379 |
|
| 1977 |
Brown HC, De Lue NR, Yamamoto Y, Maruyama K, Kasahara T, Murahashi S, Sonoda A. Organoboranes. 23. Reaction of organolithium and Grignard reagents with .alpha.-bromoalkylboronate esters. A convenient, essentially quantitative procedure for the synthesis of tertiary alkyl-, benzyl-, propargyl-, and stereospecific allylboranes The Journal of Organic Chemistry. 42: 4088-4092. DOI: 10.1021/Jo00445A022 |
0.552 |
|
| 1977 |
Brown HC, De Lue NR, Yamamoto Y, Maruyama K. Organoboranes. 22. Light-induced reaction of bromine with alkylboronate esters. A convenient synthesis of .alpha.-bromoalkylboronate esters The Journal of Organic Chemistry. 42: 3252-3254. DOI: 10.1021/Jo00440A011 |
0.521 |
|
| 1977 |
Molander GA, Brown HC. Conjugate addition-elimination in the reaction of .beta.-1-alkynyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one and related derivatives. A convenient new route to conjugated enynones The Journal of Organic Chemistry. 42: 3106-3108. DOI: 10.1021/Jo00438A038 |
0.54 |
|
| 1977 |
Kramer GW, Brown HC. Organoboranes. 21. Facile syntheses of cis-bicyclo[3.3.0]oct-1-yl derivatives from lithium dialkyl-9-borabicyclo[3.3.1]nonane "ate" complexes The Journal of Organic Chemistry. 42: 2832-2836. DOI: 10.1021/Jo00437A010 |
0.313 |
|
| 1977 |
Krishnamurthy S, Vogel F, Brown HC. Lithium .beta.-isopinocamphenyl-9-borabicyclo[3.3.1]nonyl hydride. A new reagent for the asymmetric reduction of ketones with remarkable consistency The Journal of Organic Chemistry. 42: 2534-2536. DOI: 10.1021/Jo00434A051 |
0.301 |
|
| 1977 |
Brown HC, Kim SC. Nucleophilic hydroboration of substituted styrenes with lithium triethylborohydride. A simple, convenient procedure for the Markownikoff hydroboration of aromatically conjugated olefins and the synthesis of mixed organoboranes with the benzylic (.alpha.-arylalkyl) moiety The Journal of Organic Chemistry. 42: 1482-1484. DOI: 10.1021/Jo00428A057 |
0.369 |
|
| 1977 |
Brown HC, Mandal AK, Kulkarni SU. Hydroboration. 45. New, convenient preparations of representative borane reagents utilizing borane-methyl sulfide The Journal of Organic Chemistry. 42: 1392-1398. DOI: 10.1021/Jo00428A028 |
0.346 |
|
| 1977 |
Krishnamurthy S, Brown HC. Selective reductions. 22. Facile reduction of .alpha.,.beta.-unsaturated aldehydes and ketones with 9-borabicyclo[3.3.1]nonane. A remarkably convenient procedure for the selective conversion of conjugated aldehydes and ketones to the corresponding allylic alcohols in the presence of other functional groups The Journal of Organic Chemistry. 42: 1197-1201. DOI: 10.1021/Jo00427A021 |
0.339 |
|
| 1977 |
Brown HC, Ravindranathan M, Peters EN. Structural effects in solvolytic reactions. 19. The relative electron releasing capability of methyl, phenyl, and cyclopropyl groups as measured by the tool of increasing electron demand The Journal of Organic Chemistry. 42: 1073-1076. DOI: 10.1021/Jo00426A031 |
0.305 |
|
| 1977 |
Jacob P, Brown HC. A Grignard-like addition of B-alkenyl-9-borabicyclo[3.3.1]nonanes to aldehydes. A novel synthesis of allylic alcohols with defined stereochemistry The Journal of Organic Chemistry. 42: 579-580. DOI: 10.1021/Jo00423A050 |
0.332 |
|
| 1977 |
Brown HC, Stocky TP. Selective reductions. 24. Acyloxyboranes in the controlled reaction of carboxylic acids with borane-tetrahydrofuran. Acyloxyboranes as intermediates in the fast reduction of carboxylic acids by borane-tetrahydrofuran Journal of the American Chemical Society. 99: 8218-8226. DOI: 10.1021/Ja00467A016 |
0.343 |
|
| 1977 |
Brown HC, Rao CG, Ravindranathan M. Structural effects in solvolytic reactions. 23. New .sigma.+ constants for activating substituents. The solvolysis of 1-aryl-1-cyclopropyl 3,5-dinitrobenzoates containing activating substituents in the aryl group. The tool of increasing electron demand and I-strain Journal of the American Chemical Society. 99: 7663-7667. DOI: 10.1021/Ja00465A040 |
0.336 |
|
| 1977 |
Brown HC, Ravindran N. Direct reaction of dibromoborane-methyl sulfide, HBBr2.cntdot.S(CH3)2, with alkenes. The remarkable reactivity of dibromoborane-methyl sulfide as a hydroborating agent as compared with related dichloroborane derivatives Journal of the American Chemical Society. 99: 7097-7098. DOI: 10.1021/Ja00463A071 |
0.338 |
|
| 1977 |
Brown HC, Yoon NM. Monoisopinocampheylborane - a new chiral hydroborating agent for relatively hindered (trisubstituted) olefins Journal of the American Chemical Society. 99: 5514-5516. DOI: 10.1021/Ja00458A064 |
0.308 |
|
| 1977 |
Brown HC, Ravindranathan M, Peters EN, Rao CG, Rho MM. Structural effects in solvolytic reactions. 22. Effect of ring size on the stabilization of developing carbocations as revealed by the tool of increasing electron demand Journal of the American Chemical Society. 99: 5373-5378. DOI: 10.1021/Ja00458A023 |
0.301 |
|
| 1977 |
Brown HC, Liotta R, Brener L. Hydroboration. 46. The regio- and stereochemistry of the hydroboration of representative cyclic olefins with 9-borabicyclo[3.3.1]nonane Journal of the American Chemical Society. 99: 3427-3432. DOI: 10.1021/Ja00452A040 |
0.395 |
|
| 1977 |
Brown HC, Takeuchi K, Ravindranathan M. Structural effects in solvolytic reactions. 21. Solvolysis of 2-aryl-2-norbornyl and 2-aryl-2-camphenilyl p-nitrobenzoates. Critical examination of the importance of .sigma.-participation in the solvolysis of tertiary 2-norbornyl derivatives by the application of the tool of increasing electron demand Journal of the American Chemical Society. 99: 2684-2690. DOI: 10.1021/Ja00450A047 |
0.353 |
|
| 1977 |
Sinclair JA, Molander GA, Brown HC. Conjugate addition of B-1-alkynyl-9-borabicyclo[3.3.1]-nonanes to .alpha.,.beta.-unsaturated ketones. A convenient synthesis of .gamma.,.delta.-acetylenic ketones Journal of the American Chemical Society. 99: 954-956. DOI: 10.1021/Ja00445A054 |
0.501 |
|
| 1977 |
Brown HC, Peters EN, Ravindranathan M. Structural effects in solvolytic reactions. 17. Solvolysis of 1-aryl-1-cyclopropyl-1-ethyl p-nitrobenzoates. Major increases in electron supply by the cyclopropyl group with increasing electron demand at the cationic center. Effect of substituents on the cyclopropane ring Journal of the American Chemical Society. 99: 505-509. DOI: 10.1021/Ja00444A031 |
0.343 |
|
| 1977 |
Brown HC, Kulkarni SU. Molecular addition compounds. 4. Unusually slow reaction of tertiary amines with 9-borabicyclo[3.3.1]nonane (9-BBN) dimer. New, stable, mildly reactive amine complexes of 9-BBN Inorganic Chemistry. 16: 3090-3094. DOI: 10.1021/Ic50178A020 |
0.37 |
|
| 1977 |
Brown HC, Ravindran N. Molecular addition compounds. 3. Redistribution of borane-methyl sulfide with boron trichloride-methyl sulfide and boron tribromide-methyl sulfide as convenient routes to the corresponding haloborane-methyl sulfides Inorganic Chemistry. 16: 2938-2940. DOI: 10.1021/Ic50177A054 |
0.302 |
|
| 1977 |
Brown HC, De Lue NR. Unusual changes in mechanism and reaction course in the reaction of bromine with β-alkyl-9-borabicyclo[3.3.1]nonanes Tetrahedron Letters. 18: 3007-3010. DOI: 10.1016/S0040-4039(01)83140-3 |
0.344 |
|
| 1977 |
Brown HC, Sinclair JA. Organoboranes. XVIII. Reaction of lithium alkynes with methyl dialkylborinates: The synthesis of B-1-alkynyldialkylboranes Journal of Organometallic Chemistry. 131: 163-169. DOI: 10.1016/S0022-328X(00)93398-9 |
0.441 |
|
| 1977 |
Brown HC, Yoon NM, Mandal AK. Facile displacement of tetramethylethylene from thexylborane-triethylamine by treatment with olefins. a convenient synthesis of monoalkylborane derivatives Journal of Organometallic Chemistry. 135. DOI: 10.1016/S0022-328X(00)91699-1 |
0.721 |
|
| 1977 |
Brown HC, De Lue NR. An exceptionally facile homolytic displacement in the reaction of nitrogen trichloride with trialkylboranes Journal of Organometallic Chemistry. 135: C57-C59. DOI: 10.1016/S0022-328X(00)88093-6 |
0.417 |
|
| 1977 |
Brown HC, Negishi E. Boraheterocycles via cyclic hydroboration Tetrahedron. 33: 2331-2357. DOI: 10.1016/0040-4020(77)80246-9 |
0.353 |
|
| 1977 |
Brown HC, Lane CF. 9-Borabicyclo(3.3.1)Nonane, A Most Unusual Heterocyclic Dialkylborane Cheminform. 7: 453. DOI: 10.1002/Chin.197813241 |
0.373 |
|
| 1977 |
BROWN HC, KIM SC. An Unusual Reduction of Tertiary Amides with Carbon-Nitrogen Fission Synthesis. 1977: 635-636. DOI: 10.1002/Chin.197801159 |
0.32 |
|
| 1977 |
KRISHNAMURTHY S, VOGEL F, BROWN HC. ChemInform Abstract: LITHIUM β-ISOPINOCAMPHENYL-9-BORABICYCLO(3.3.1)NONYL HYDRIDE. A NEW REAGENT FOR THE ASYMMETRIC REDUCTION OF KETONES WITH REMARKABLE CONSISTENCY Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/Chin.197743099 |
0.328 |
|
| 1977 |
BROWN HC, SINCLAIR JA. ChemInform Abstract: ORGANOBORANES. XVIII. REACTION OF LITHIUM ALKYNES WITH METHYL DIALKYLBORINATES- THE SYNTHESIS OF B-1-ALKYNYLDIALKYLBORANES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197736284 |
0.319 |
|
| 1977 |
BROWN HC, KIM SC. ChemInform Abstract: Nucleophilic Hydroboration of Substituted Styrenes with Lithium Triethylborohydride. A Simple Convenient Procedure for the Markownikoff Hydroboration of Aromatically Conjugated Olefins and the Synthesis of Mixed Organoboranes with the Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/chin.197733134 |
0.323 |
|
| 1977 |
SINCLAIR JA, MOLANDER GA, BROWN HC. ChemInform Abstract: CONJUGATE ADDITION OF B-1-ALKYNYL-9-BORABICYCLO(3.3.1)-NONANES TO α,β-UNSATURATED KETONES. A CONVENIENT SYNTHESIS OF Γ,Δ-ACETYLENIC KETONES Chemischer Informationsdienst. 8: no-no. DOI: 10.1002/Chin.197717097 |
0.507 |
|
| 1976 |
Krishnamurthy S, Brown HC. Facile reduction of alkyl tosylates with lithium triethylborohydride. An advantageous procedure for the deoxygenation of cyclic and acyclic alcohols The Journal of Organic Chemistry. 41: 3064-3066. DOI: 10.1021/Jo00880A045 |
0.303 |
|
| 1976 |
Brown HC, Krishnamurthy S, Yoon NM. Selective reductions. XXI. 9-Borabicyclo[3.3.1]nonane in tetrahydrofuran as a new selective reducing agent in organic synthesis. Reaction with selected organic compounds containing representative functional groups The Journal of Organic Chemistry. 41: 1778-1791. DOI: 10.1021/Jo00872A025 |
0.341 |
|
| 1976 |
Sinclair JA, Brown HC. Synthesis of unsymmetrical conjugated diynes via the reaction of lithium dialkynyldialkylborates with iodine The Journal of Organic Chemistry. 41: 1078-1079. DOI: 10.1021/Jo00868A038 |
0.419 |
|
| 1976 |
Jacob P, Brown H. Conjugate addition of B-alkenyl-9-borabicyclo[3.3.1]nonanes to methyl vinyl ketone. A convenient synthesis of .gamma.,.delta.-unsaturated ketones Journal of the American Chemical Society. 98: 7832-7833. DOI: 10.1021/Ja00440A069 |
0.383 |
|
| 1976 |
Brown HC, Ravindranathan M, Rho MM. Structural effects in solvolytic reactions. 15. Solvolysis of 1-arylcyclohexyl and 1-arylcyclohex-2-enyl p-nitrobenzoates. Effect of increasing electron demand on the contributions of an allylic double bond in the solvolysis of tertiary cyclohex-2-enyl derivatives Journal of the American Chemical Society. 98: 4216-4218. DOI: 10.1021/Ja00430A035 |
0.354 |
|
| 1976 |
Brown HC, Ikegami S, Liu K, Tritle GL. Structural effects in solvolytic reactions. 14. Solvolysis of the 2-aryl-2-benzonorbornenyl p-nitrobenzoates. Application of the tool of increasing electron demand as a test for .pi. participation in the high exo:endo rate ratios Journal of the American Chemical Society. 98: 2531-2536. DOI: 10.1021/Ja00425A023 |
0.302 |
|
| 1976 |
Kramer GW, Brown HC. The facile rearrangement of lithium dialkyl-9-borabicyclo[3.3.1]nonane "ate" complexes via hydride transfer. A simple synthetic route to cis-bicyclo[3.3.0]oct-1-yldialkylboranes and derivatives Journal of the American Chemical Society. 98: 1964-1965. DOI: 10.1021/Ja00423A054 |
0.32 |
|
| 1976 |
Brown HC, Ravindran N. Hydroboration. XL. Hydroboration of alkenes and alkynes with monochloroborane etherates. Convenient procedures for the preparation of dialkyl-, monoalkyl-, and dialkenylchloroboranes and their derivatives Journal of the American Chemical Society. 98: 1785-1798. DOI: 10.1021/Ja00423A025 |
0.373 |
|
| 1976 |
Brown HC, De Lue NR, Kabalka GW, Hedgecock HC. Consistent inversion in the base-induced reaction of iodine with organoboranes. A convenient procedure for the synthesis of optically active iodides Journal of the American Chemical Society. 98: 1290-1291. DOI: 10.1021/ja00421a055 |
0.46 |
|
| 1976 |
Negishi EI, Sabanski M, Katz JJ, Brown HC. An efficient synthesis of juvabione and todomatuic acid via hydroboration-carbonylation Tetrahedron. 32: 925-926. DOI: 10.1016/0040-4020(76)85050-8 |
0.514 |
|
| 1976 |
Brown HC, Yoon NM. Hydroboration. 44. Diisopinocampheylborane of High Optical Purity. Asymmetric Synthesis via Hydroboration with Essentially Complete Asymmetric Induction Israel Journal of Chemistry. 15: 12-16. DOI: 10.1002/Ijch.197600004 |
0.319 |
|
| 1976 |
BROWN HC, RAVINDRANATHAN M, RHO MM. ChemInform Abstract: Structural Effects in Solvolytic Reactions. Part 15. Solvolysis of 1-Arylcyclohexyl(I) and l-Arylcyclohex-2-enyl p-Nitrobenzoates (II). Effect of Increasing Electron Demand on the Contributions of an Allylic Double Bond in the Solvoly Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/Chin.197640162 |
0.31 |
|
| 1976 |
SINCLAIR JA, BROWN HC. ChemInform Abstract: SYNTHESIS OF UNSYMMETRICAL CONJUGATED DIYNES VIA THE REACTION OF LITHIUM DIALKYNYLDIALKYLBORATES WITH IODINE Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197625184 |
0.358 |
|
| 1976 |
BROWN HC, DE LUE NR, KABALKA GW, HEDGECOCK HCJ. ChemInform Abstract: CONSISTENT INVERSION IN THE BASE-INDUCED REACTION OF IODINE WITH ORGANOBORANES. A CONVENIENT PROCEDURE FOR THE SYNTHESIS OF OPTICALLY ACTIVE IODIDES Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/chin.197621105 |
0.474 |
|
| 1976 |
PETERS EN, BROWN HC. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. XIII. EFFECT OF INCREASING ELECTRON DEMAND ON THE RATES OF SOLVOLYSIS OF 1-ARYLCYCLOPENT-3-EN-1-YL AND 1-ARYLCYCLOPENTYL P-NITROBENZOATES. EVIDENCE FOR THE ABSENCE OF Π-PARTICIPATION Chemischer Informationsdienst. 7: no-no. DOI: 10.1002/Chin.197611080 |
0.317 |
|
| 1975 |
Midland MM, Brown HC. Facile double migration in the protonation of lithium alkynyltrialkylborates with acid The Journal of Organic Chemistry. 40: 2845-2846. DOI: 10.1021/Jo00907A035 |
0.553 |
|
| 1975 |
Krishnamurthy S, Brown HC. 9-Borabicyclo[3.3.1]nonane as a highly selective reducing agent for the facile conversion of .alpha.,.beta.-unsaturated aldehydes and ketones to the corresponding allylic alcohols in the presence of other functional groups The Journal of Organic Chemistry. 40: 1864-1865. DOI: 10.1021/Jo00900A051 |
0.304 |
|
| 1975 |
Hamaoka T, Brown HC. Reaction of alkenylboronic acids with bromine in the presence of sodium methoxide and methanol. Simple one-stage synthesis of .alpha.-bromo acetals The Journal of Organic Chemistry. 40: 1189-1190. DOI: 10.1021/Jo00896A051 |
0.353 |
|
| 1975 |
Brown HC, Katz JJ, Carlson BA. Remarkable rearrangement and elimination reaction in the solvolysis of tertiary .alpha.-chloroboronates under mild conditions The Journal of Organic Chemistry. 40: 813-814. DOI: 10.1021/Jo00894A039 |
0.317 |
|
| 1975 |
Peters EN, Brown HC. Structural effects in solvolytic reactions. XIII. Effect of increasing electron demand on the rates of solvolysis of 1-arylcyclopent-3-en-1-yl and 1-arylcyclopentyl p-nitrobenzoates. Evidence for the absence of .pi.-participation Journal of the American Chemical Society. 97: 7454-7457. DOI: 10.1021/Ja00859A012 |
0.318 |
|
| 1975 |
Brown HC, Peters EN, Ravindranathan M. Structural effects in solvolytic reactions. XII. Solvolysis of 2-aryl-5-methyl- and 2,5-dimethyl-2-norbornenyl p-nitrobenzoates. Evidence for major .pi. participation revealed by the tool of increasing electron demand Journal of the American Chemical Society. 97: 7449-7453. DOI: 10.1021/Ja00859A011 |
0.344 |
|
| 1975 |
Brown HC, Peters EN. Structural effects in solvolytic reactions. XI. Rates and products of solvolysis of 2-aryl- and 2-methyl-2-norbornenyl p-nitrobenzoates. Exo:endo rate ratio as a function of increasing electron demand Journal of the American Chemical Society. 97: 7442-7448. DOI: 10.1021/Ja00859A010 |
0.346 |
|
| 1975 |
Brown HC, Gupta SK. Hydroboration. XXXIX. 1,3,2-Benzodioxaborole (catecholborane) as a new hydroboration reagent for alkenes and alkynes. General synthesis of alkane- and alkeneboronic acids and esters via hydroboration. Directive effects in the hydroboration of alkenes and alkynes with catecholborane Journal of the American Chemical Society. 97: 5249-5255. DOI: 10.1021/Ja00851A038 |
0.398 |
|
| 1975 |
Brown HC, Levy AB, Midland MM. Reaction of lithium ethynyl- and ethenyltrialkylborates with acid. Valuable route to the Markovnikov alkenyl- and alkylboranes Journal of the American Chemical Society. 97: 5017-5018. DOI: 10.1021/Ja00850A047 |
0.621 |
|
| 1975 |
Brown H, Knights E, Scouten C. Additions and Corrections - Hydroboration. XXXVI. A Direct Route to 9-Borabicyclo-[3.3.1]nonane via the Cyclic Hydrobarotion of 1,5-Cyclooctadiene. 9-Borabicyclo[3.3.1]nonane as a Uniquely Selective Reagent for the Hydroboration of Olefins. Journal of the American Chemical Society. 97: 4152-4152. DOI: 10.1021/Ja00847A608 |
0.331 |
|
| 1975 |
Brown HC, Katz JJ, Lane CF, Negishi E. Hydroboration. XXXVIII. Structural study of the hydroboration of olefins with thexylmonoalkylboranes. Convenient route to thexyldialkylboranes, mixed dialkylboranes, and mixed trialkylboranes Journal of the American Chemical Society. 97: 2799-2804. DOI: 10.1021/Ja00843A031 |
0.47 |
|
| 1975 |
Brown HC, Negishi E, Katz JJ. Hydroboration. XXXVII. Structural study of the hydroboration of olefins with thexylborane in the molar ratio of 1:1. Convenient synthesis of thexylmonoalkylboranes and their ready conversion to monoalkylboranes Journal of the American Chemical Society. 97: 2791-2798. DOI: 10.1021/Ja00843A030 |
0.53 |
|
| 1975 |
Brown HC. Footsteps on the borane trail Journal of Organometallic Chemistry. 100: 3-15. DOI: 10.1016/S0022-328X(00)88930-5 |
0.361 |
|
| 1975 |
MIDLAND MM, BROWN HC. ChemInform Abstract: A FACILE DOUBLE MIGRATION IN THE PROTONATION OF LITHIUM ALKYNYLTRIALKYLBORATES WITH ACID Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/chin.197552099 |
0.522 |
|
| 1975 |
BROWN HC, GUPTA SK. ChemInform Abstract: HYDROBORATION PART 39, 1,3,2-BENZODIOXABOROLE (CATECHOLBORANE) AS A NEW HYDROBORATION REAGENT FOR ALKENES AND ALKYNES, A GENERAL SYNTHESIS OF ALKANE- AND ALKENEBORONIC ACIDS AND ESTERS VIA HYDROBORATION, DIRECTIVE EFFECTS IN THE HYDRO Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197546321 |
0.395 |
|
| 1975 |
BROWN HC, KATZ J, LANE CF, NEGISHI E. ChemInform Abstract: HYDROBORATION PART 38, STRUCTURAL STUDY OF THE HYDROBORATION OF OLEFINS WITH THEXYLMONOALKYLBORANES, A CONVENIENT ROUTE TO THEXYLDIALKYLBORANES, MIXED DIALKYLBORANES, AND MIXED TRIALKYLBORANES Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197531296 |
0.494 |
|
| 1975 |
BROWN HC, LIU K. ChemInform Abstract: ADDITIONS TO BICYCLIC OLEFINS PART 8, ELECTROPHILIC ADDITION OF TRIFLUOROACETIC ACID AND DEUTERIOTRIFLUOROACETIC ACID TO NORBORNENE AND RELATED BICYCLIC OLEFINS. EVIDENCE FOR THE CAPTURE OF THE UNSYMMETRICAL (CLASSICAL) 2-NORBONYL CAT Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197529112 |
0.303 |
|
| 1975 |
BROWN HC, LIU K. ChemInform Abstract: ADDITIONS TO BICYCLIC OLEFINS PART 7, ELECTROPHILIC ADDITION OF HYDROGEN CHLORIDE AND DEUTERIUM CHLORIDE TO NORBORNENE, 2-METHYLENENORBORNANE, AND RELATED BICYCLIC OLEFINS, EVIDENCE FOR A CARBONIUM ION PROCESS AND THE CAPTURE OF UNSYM Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197516149 |
0.3 |
|
| 1975 |
BROWN HC, GNEDIN BG, TAKEUCHI K, PETERS EN. ChemInform Abstract: STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS PART 17, SOLVOLYSIS OF P-2-NORBORNYL-TERT.-CUMYL CHLORIDES, SIGMA(+) CONSTANTS FOR P-EXO- AND -ENDO-NORBORNYL AND THE QUESTION OF AN UNUSUAL POLARZABILITY OF THE SIGMA-BONDS IN THE 2-NORBORNY Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197516145 |
0.335 |
|
| 1975 |
BROWN HC, KNIGHTS EF, SCOUTEN CG. ChemInform Abstract: HYDROBORATION PART 36, A DIRECT ROUTE TO 9-BORABICYCLO(3,3,1)NONANE VIA THE CYCLIC HYDROBORATION OF 1,5-CYCLOOCTADIENE, 9-BORABICYCLO(3,3,1)NONANE AS A UNIQUELY SELECTIVE REAGENT FOR THE HYDROBORATION OF OLEFINS Chemischer Informationsdienst. 6: no-no. DOI: 10.1002/Chin.197510335 |
0.356 |
|
| 1974 |
Brown HC, Peters EN. The selectivity principle and the question of the bridged structure of the 2-norborynyl cation. Proceedings of the National Academy of Sciences of the United States of America. 71: 132-4. PMID 16592131 DOI: 10.1073/Pnas.71.1.132 |
0.314 |
|
| 1974 |
PRAGER RH, BROWN HC. Improved Procedure for the Synthesis ofgem-Dichlorocyclopropanes from Alkenes Synthesis. 1974: 736-738. DOI: 10.1055/S-1974-23430 |
0.326 |
|
| 1974 |
NEGISHI E, BROWN HC. Thexylborane-A Highly Versatile Reagent for Organic Synthesis via Hydroboration Synthesis. 1974: 77-89. DOI: 10.1055/S-1974-23248 |
0.516 |
|
| 1974 |
Brown HC, Varma V. Selective reductions. XX. Stereochemistry of the reduction of cyclic, bicyclic, and polycyclic ketones by dialkylboranes. Simple, convenient procedure for the reduction of ketones to the corresponding alcohols with exceptionally high steric control The Journal of Organic Chemistry. 39: 1631-1636. DOI: 10.1021/Jo00925A006 |
0.338 |
|
| 1974 |
Midland MM, Sinclair JA, Brown HC. Convenient stereospecific synthesis of terminal acetylenes via the treatment of lithium ethynyltrialkylborates with iodine The Journal of Organic Chemistry. 39: 731-732. DOI: 10.1021/Jo00919A041 |
0.59 |
|
| 1974 |
Brown HC, Knights EF, Scouten CG. Hydroboration. XXXVI. Direct route to 9-borabicyclo[3.3.1]nonane via the cyclic hydroboration of 1,5-cyclooctadiene. 9-Borabicyclo[3.3.1]nonane as a uniquely selective reagent for the hydroboration of olefins Journal of the American Chemical Society. 96: 7765-7770. DOI: 10.1021/Ja00832A025 |
0.328 |
|
| 1974 |
Carlson BA, Katz JJ, Brown HC. A facile synthesis of α-chloroboronic esters via the base induced reaction of α,α-dichloromethyl methyl ether with hindered borinic esters Journal of Organometallic Chemistry. 67. DOI: 10.1016/S0022-328X(00)82340-2 |
0.35 |
|
| 1974 |
Kramer GW, Brown HC. Organoboranes Journal of Organometallic Chemistry. 73: 1-15. DOI: 10.1016/S0022-328X(00)80375-7 |
0.449 |
|
| 1974 |
KRAMER GW, BROWN HC. ChemInform Abstract: ORGANOBORANES PART 17, REACTION OF ORGANOMETALLICS WITH DIALKYLBORANE DERIVATIVES, THE SYNTHESIS OF MIXED ORGANOBORANES NOT AVAILABLE VIA HYDROBORATION Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/chin.197439332 |
0.327 |
|
| 1974 |
MIDLAND MM, SINCLAIR JA, BROWN HC. ChemInform Abstract: THE CONVENIENT STEREOSPECIFIC SYNTHESIS OF TERMINAL ACETYLENES VIA THE TREATMENT OF LITHIUM ETHYNYLTRIALKYLBORATES WITH IODINE Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/chin.197424199 |
0.562 |
|
| 1974 |
BROWN HC, RAVINDRAN N. ChemInform Abstract: THE REACTION OF ALKYNES WITH DICHLOROBORANE ETHYL ETHERATE IN THE PRESENCE OF BORON TRICHLORIDE, A SIMPLE, GENERAL SYNTHESIS OF ALKENYLDICHLOROBORANES Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/chin.197421298 |
0.35 |
|
| 1974 |
BROWN HC, KAWAKAMI JH. ChemInform Abstract: ADDITIONS TO BICYCLIC OLEFINS PART 6, SOLVOMERCURATION-DEMERCURATION PART 5, STEREOCHEMISTRY OF THE OXYMERCURATION-DEMERCURATION OF NORBORNENE, 7,7-DIMETHYLNORBORNENE, AND RELATED OLEFINS Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/Chin.197411131 |
0.369 |
|
| 1974 |
YAMAMOTO Y, BROWN HC. ChemInform Abstract: LIGHT-INDUCED REACTION OF BORACYCLANES WITH BROMINE IN THE PRESENCE OF WATER, RING CONTRACTION OF BORACYCLANES TO PRODUCE CARBOCYCLIC STRUCTURES Chemischer Informationsdienst. 5: no-no. DOI: 10.1002/Chin.197405235 |
0.492 |
|
| 1973 |
SUZUKI A, MIYAURA N, ITOH M, BROWN HC, JACOB, III P. The Oxygen-Induced Reactions of Organoboranes with 3,4-Epoxy-1-butynes. A New Route to Functionalized Allenes Synthesis. 1973: 305-306. DOI: 10.1055/S-1973-22200 |
0.466 |
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