Viqar U Ahmad, Ph D - Publications

Affiliations: 
1966-2019 University of Karachi 
Area:
Natural products chemistry

74 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Mai VTN, Ahmad V, Mamada M, Fukunaga T, Shukla A, Sobus J, Krishnan G, Moore EG, Andersson GG, Adachi C, Namdas EB, Lo SC. Solid cyclooctatetraene-based triplet quencher demonstrating excellent suppression of singlet-triplet annihilation in optical and electrical excitation. Nature Communications. 11: 5623. PMID 33159048 DOI: 10.1038/s41467-020-19443-z  0.188
2020 Ahmad V, Sobus J, Greenberg M, Shukla A, Philippa B, Pivrikas A, Vamvounis G, White R, Lo SC, Namdas EB. Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing. Nature Communications. 11: 4310. PMID 32855426 DOI: 10.1038/s41467-020-18094-4  0.187
2018 Wawrzinek R, Sobus J, Chaudhry MU, Ahmad V, Grosjean A, Clegg JK, Namdas EB, Lo SC. Mobility Evaluation of BTBT Derivatives: Limitation and Impact on Charge Transport. Acs Applied Materials & Interfaces. PMID 30582329 DOI: 10.1021/acsami.8b16158  0.181
2018 Ashraf I, Zubair M, Rizwan K, Rasool N, Jamil M, Khan SA, Tareen RB, Ahmad VU, Mahmood A, Riaz M, Zia-Ul-Haq M, Jaafar HZ. Chemical composition, antioxidant and antimicrobial potential of essential oils from different parts of Daphne mucronata Royle. Chemistry Central Journal. 12: 135. PMID 30556121 DOI: 10.1186/s13065-018-0495-1  0.298
2018 Rizwan K, Zubair M, Rasool N, Mahmood T, Ayub K, Alitheen NB, Aziz MNM, Akhtar MN, Nasim FU, Bukhary SM, Ahmad VU, Rani M. Palladium(0) catalyzed Suzuki cross-coupling reaction of 2,5-dibromo-3-methylthiophene: selectivity, characterization, DFT studies and their biological evaluations. Chemistry Central Journal. 12: 49. PMID 29728881 DOI: 10.1186/s13065-018-0404-7  0.38
2018 Ahmad VU, Mohammad FV, Tareen RB. Laceioside, a new cycloartane saponin from Astragalus tephrosioides Boiss. var. lacei (Ali) Kirchoff. Natural Product Research. 1-7. PMID 29587529 DOI: 10.1080/14786419.2018.1455042  0.458
2018 Uzair B, Menaa F, Khan BA, Mohammad FV, Ahmad VU, Djeribi R, Menaa B. Isolation, purification, structural elucidation and antimicrobial activities of kocumarin, a novel antibiotic isolated from actinobacterium Kocuria marina CMG S2 associated with the brown seaweed Pelvetia canaliculata. Microbiological Research. 206: 186-197. PMID 29146256 DOI: 10.1016/j.micres.2017.10.007  0.349
2016 Engel N, Ali I, Adamus A, Frank M, Dad A, Ali S, Nebe B, Atif M, Ismail M, Langer P, Ahmad VU. Antitumor evaluation of two selected Pakistani plant extracts on human bone and breast cancer cell lines. Bmc Complementary and Alternative Medicine. 16: 244. PMID 27457235 DOI: 10.1186/s12906-016-1215-9  0.215
2015 Hashmi MA, Khan A, Farooq U, Rani M, Ahmad VU, Khan AR. A new secoiridoid glycosidic lignan ester from the leaves of Olea ferruginea. Magnetic Resonance in Chemistry : Mrc. 53: 163-6. PMID 25169706 DOI: 10.1002/mrc.4134  0.41
2014 Bhatti HN, Khan SS, Khan A, Rani M, Ahmad VU, Choudhary MI. Biotransformation of monoterpenoids and their antimicrobial activities. Phytomedicine : International Journal of Phytotherapy and Phytopharmacology. 21: 1597-626. PMID 25442268 DOI: 10.1016/j.phymed.2014.05.011  0.372
2014 Khan SS, Khan A, Khan A, Wadood A, Farooq U, Ahmed A, Zahoor A, Ahmad VU, Sener B, Erdemoglu N. Urease inhibitory activity of ursane type sulfated saponins from the aerial parts of Zygophyllum fabago Linn. Phytomedicine : International Journal of Phytotherapy and Phytopharmacology. 21: 379-82. PMID 24182987 DOI: 10.1016/j.phymed.2013.09.009  0.483
2013 Shah AJ, Rasheed M, Jabeen Q, Ahmed A, Tareen RB, Gilani AH, Nadir M, Ahmad VU. Chemical analysis and calcium channel blocking activity of the essential oil of Perovskia abrotanoides. Natural Product Communications. 8: 1633-6. PMID 24427959  0.308
2013 Azmat S, Ifzal R, Mohammad FV, Ahmad VU, Zahoor A. A new glucuronolactone glycoside phoenixoside B from the seeds of Phoenix dactylifera. Natural Product Communications. 8: 1289-90. PMID 24273868  0.286
2013 Nadir M, Rasheed M, Sherwani SK, Kazmi SU, Ahmad VU. Chemical and antimicrobial studies on the essential oil from Salvia santolinifolia Boiss. Pakistan Journal of Pharmaceutical Sciences. 26: 39-52. PMID 23261726  0.24
2012 Mohammad FV, Noorwala M, Ahmad VU, Zahoor A, Lajis NH. A new monodesmosidic triterpenoid saponin from the leaves of Pometia pinnata. Natural Product Communications. 7: 1423-6. PMID 23285799  0.393
2012 Khan KM, Shah Z, Ahmad VU, Khan M, Taha M, Rahim F, Ali S, Ambreen N, Perveen S, Choudhary MI, Voelter W. 2,4,6-Trichlorophenylhydrazine Schiff bases as DPPH radical and super oxide anion scavengers. Medicinal Chemistry (ShäRiqah (United Arab Emirates)). 8: 452-61. PMID 22530900 DOI: 10.2174/1573406411208030452  0.332
2012 Farooq U, Khan A, Khan AF, Khan SS, Sarwar R, Ahmad VU, Waseem A. Two new ballonigrin-type diterpenoids from the roots of Ballota limbata. Natural Product Communications. 7: 149-50. PMID 22474939  0.475
2012 Khatoon R, Saba N, Zahoor A, Summer S, Ahmad VU. Meliloester, a new melilotic ester from Melilotus alba. Natural Product Communications. 7: 61-2. PMID 22428247  0.395
2012 Azmat S, Zahoor A, Ifzal R, Ahmad VU, Mohammed FV. A new megastigmane glycoside, phoenixoside A, from Phoenix dactylifera. Natural Product Communications. 7: 3-4. PMID 22428228  0.359
2011 Khan KM, Shah Z, Ahmad VU, Khan M, Taha M, Rahim F, Jahan H, Perveen S, Choudhary MI. Synthesis of 2,4,6-trichlorophenyl hydrazones and their inhibitory potential against glycation of protein. Medicinal Chemistry (ShäRiqah (United Arab Emirates)). 7: 572-80. PMID 22313297 DOI: 10.2174/157340611797928415  0.366
2011 Shah AJ, Gilani AH, Abbas K, Rasheed M, Ahmed A, Ahmad VU. Studies on the chemical composition and possible mechanisms underlying the antispasmodic and bronchodilatory activities of the essential oil of Artemisia maritima L. Archives of Pharmacal Research. 34: 1227-38. PMID 21910043 DOI: 10.1007/s12272-011-0801-0  0.293
2011 Demirkiran O, Topcu G, Hussain J, Ahmad VU, Choudhary MI. Structure elucidation of two new unusual monoterpene glycosides from Euphorbia decipiens, by 1D and 2D NMR experiments. Magnetic Resonance in Chemistry : Mrc. 49: 673-7. PMID 21898586 DOI: 10.1002/Mrc.2795  0.46
2011 Haq Ru, Farooq U, Wahab A, Raza M, Ahmad VU, Khan RA. Investigation of antitussive and toxicological activity of Ballota limbata in mice. Pharmaceutical Biology. 49: 627-32. PMID 21554006 DOI: 10.3109/13880209.2011.563317  0.253
2011 Iqbal S, Khan A, Ahmad VU, Khan MA, Bader S, Farooq U, Khan SS, Zahoor A, Tareen RB. Two new triterpenoids from Zygophyllum eurypterum. Natural Product Communications. 6: 179-82. PMID 21425669  0.407
2011 Zamarrud, Ali I, Hussain H, Ahmad VU, Qaiser M, Amyn A, Mohammad FV. Two new antioxidant bergenin derivatives from the stem of Rivea hypocrateriformis. Fitoterapia. 82: 722-5. PMID 21406219 DOI: 10.1016/j.fitote.2011.03.002  0.664
2011 Saba N, Khatoon R, Ahmad VU, Khan SS. A new eudesmane sesquiterpene from Pluchea arguta. Natural Product Communications. 6: 1-2. PMID 21366033  0.452
2011 Siddiqui IN, Zahoor A, Hussain H, Ahmed I, Ahmad VU, Padula D, Draeger S, Schulz B, Meier K, Steinert M, Kurtán T, Flörke U, Pescitelli G, Krohn K. Diversonol and blennolide derivatives from the endophytic fungus Microdiplodia sp.: absolute configuration of diversonol. Journal of Natural Products. 74: 365-73. PMID 21244021 DOI: 10.1021/Np100730B  0.689
2010 Siddiqui IN, Ahmad VU, Zahoor A, Ahmed A, Khan SS, Khan A, Hassan Z. Two new diarylheptanoids from Alnus nitida. Natural Product Communications. 5: 1787-8. PMID 21213981  0.494
2010 Saba N, Ahmad VU, Ali Z, Khan KM. Separation and identification of a new saponin from the flowers of Guaiacum officinale L. Natural Product Research. 24: 1877-82. PMID 21108112 DOI: 10.1080/14786410902884693  0.349
2010 Zahoor A, Siddiqui IN, Khan A, Ahmad VU, Ahmed A, Hassan Z, Khan SS, Iqbal S. Two new glycosides from Conyza bonariensis. Natural Product Communications. 5: 1099-102. PMID 20734949  0.498
2010 Malik I, Ahmad VU, Anjum S, Basha FZ. A pentacyclic triterpene from Litchi chinensis. Natural Product Communications. 5: 529-30. PMID 20433065  0.485
2010 Hassan Z, Ahmad VU, Hussain J, Zahoor A, Siddiqui IN, Rasool N, Zubair M. Two new carthamosides from Carthamus oxycantha. Natural Product Communications. 5: 419-22. PMID 20420320  0.526
2010 Mohammad FV, Ahmad VU, Noorwala M, Lajis NH. A new triterpenoid saponin from the stem bark of Pometia pinnata. Natural Product Communications. 5: 191-5. PMID 20334125  0.298
2010 Ahmad VU, Bader S, Arshad S, Ahmed A, Khan A, Iqbal S, Rasheed M, Tareen RB. Brauhenefloroside E and F; acylated flavonol glycosides from Stocksia brauhica Linn. Magnetic Resonance in Chemistry : Mrc. 48: 304-8. PMID 20186701 DOI: 10.1002/mrc.2578  0.332
2009 Bhatti HN, Zubair M, Rasool N, Hassan Z, Ahmad VU. Microbial transformation of sesquiterpenoids. Natural Product Communications. 4: 1155-68. PMID 19769003  0.298
2009 Khan A, Ahmad VU, Farooq U, Bader S, Arshad S. Two new flavonol glycosides from Otostegia limbata BENTH. Chemical & Pharmaceutical Bulletin. 57: 276-9. PMID 19252319 DOI: JST.JSTAGE/cpb/57.276  0.375
2009 Gilani AH, Shah AJ, Zubair A, Khalid S, Kiani J, Ahmed A, Rasheed M, Ahmad VU. Chemical composition and mechanisms underlying the spasmolytic and bronchodilatory properties of the essential oil of Nepeta cataria L. Journal of Ethnopharmacology. 121: 405-11. PMID 19041706 DOI: 10.1016/j.jep.2008.11.004  0.227
2008 Iranshahi M, Hosseini ST, Shahverdi AR, Molazade K, Khan SS, Ahmad VU. Diversolides A-G, guaianolides from the roots of Ferula diversivittata. Phytochemistry. 69: 2753-7. PMID 18804823 DOI: 10.1016/j.phytochem.2008.08.009  0.501
2008 Ahmad VU, Arshad S, Bader S, Iqbal S, Khan A, Khan SS, Hussain J, Tareen RB, Ahmed A. New terpenoids from Stachys parviflora Benth. Magnetic Resonance in Chemistry : Mrc. 46: 986-9. PMID 18698563 DOI: 10.1002/mrc.2277  0.328
2008 Ahmad VU, Lodhi MA, Abbasi MA, Choudhary MI. Kinetics study on a novel natural inhibitor of alpha-chymotrypsin. Fitoterapia. 79: 505-8. PMID 18620032 DOI: 10.1016/j.fitote.2008.05.004  0.317
2008 Uzair B, Ahmed N, Ahmad VU, Mohammad FV, Edwards DH. The isolation, purification and biological activity of a novel antibacterial compound produced by Pseudomonas stutzeri. Fems Microbiology Letters. 279: 243-50. PMID 18093138 DOI: 10.1111/j.1574-6968.2007.01036.x  0.488
2007 Farooq U, Khan A, Ahmad VU, Khan SS, Farooq R, Pervez A, Shah MM. Complete (1)H and (13)C NMR assignments of two new trans-clerodane diterpenoids from Otostegia limbata. Magnetic Resonance in Chemistry : Mrc. 45: 766-9. PMID 17661429 DOI: 10.1002/mrc.2047  0.391
2007 Ullah F, Hussain H, Hussain J, Bukhari IA, Khan MT, Choudhary MI, Gilani AH, Ahmad VU. Tyrosinase inhibitory pentacyclic triterpenes and analgesic and spasmolytic activities of methanol extracts of Rhododendron collettianum. Phytotherapy Research : Ptr. 21: 1076-81. PMID 17661331 DOI: 10.1002/Ptr.2216  0.618
2007 Lodhi MA, Abbasi MA, Choudhary MI, Ahmad VU. Kinetics studies on triacontanyl palmitate: a urease inhibitor. Natural Product Research. 21: 721-5. PMID 17616900 DOI: 10.1080/14786410600906913  0.307
2007 Bukhari IA, Khan RA, Gilani AUH, Shah AJ, Hussain J, Ahmad VU. The analgesic, anti-inflammatory and calcium antagonist potential of Tanacetum artemisioides Archives of Pharmacal Research. 30: 303-312. PMID 17424935  0.387
2007 Uzair B, Ahmed N, Ahmad VU, Kousar F. A new antibacterial compound produced by an indigenous marine bacteria--fermentation, isolation, and biological activity. Natural Product Research. 20: 1326-31. PMID 17393659 DOI: 10.1080/14786410601102017  0.396
2007 Khan MA, Arfan M, Akhtar G, Khan L, Ahmad VU. A new 14-membered cyclopeptide alkaloid from Zizyphus oxyphylla. Natural Product Research. 21: 243-53. PMID 17365715 DOI: 10.1080/14786410600906574  0.41
2007 Farooq U, Khan A, Ahmad VU, Khan SS, Kousar F, Arshad S. Two new rare-class tetracyclic diterpenoids from Otostegia limbata. Chemical & Pharmaceutical Bulletin. 55: 471-3. PMID 17329895 DOI: JST.JSTAGE/cpb/55.471  0.466
2006 Lodhi MA, Hussain J, Abbasi MA, Jassbi AR, Choudhary MI, Ahmad VU. A new Bacillus pasteurii urease inhibitor from Euphorbia decipiens. Journal of Enzyme Inhibition and Medicinal Chemistry. 21: 531-5. PMID 17194023 DOI: 10.1080/14756360600586072  0.365
2006 Ahmad VU, Iqbal S, Nawaz SA, Choudhary MI, Farooq U, Ali ST, Ahmad A, Bader S, Kousar F, Arshad S, Tareen RB. Isolation of four new pterocarpans from Zygophyllum eurypterum (Syn. Z. atriplicoides) with enzyme-inhibition properties. Chemistry & Biodiversity. 3: 996-1003. PMID 17193332 DOI: 10.1002/Cbdv.200690109  0.495
2006 Ahmad VU, Arshad S, Bader S, Ahmed A, Iqbal S, Tareen RB. New phenethyl alcohol glycosides from Stachys parviflora. Journal of Asian Natural Products Research. 8: 105-11. PMID 16753790 DOI: 10.1080/10286020500478708  0.449
2006 Ahmad VU, Kousar F, Zubair M, Khan A, Ali MS, Choudhary MI, Sener B. A new iridoid glycoside from Linaria genestifolia. Fitoterapia. 77: 12-4. PMID 16318903 DOI: 10.1016/J.Fitote.2005.06.008  0.382
2006 Ahmad VU, Zubair M, Abbasi MA, Kousar F, Rashid MA, Rasool N, Tareen RB. New ceramides from Platytaenia multicaule. Natural Product Research. 20: 69-74. PMID 16286312 DOI: 10.1080/14786410500049442  0.5
2006 Gilani AH, Bukhari IA, Khan RA, Khan AU, Ullah F, Ahmad VU. Cholinomimetic and calcium channel blocking activities of Carthamus oxycantha. Phytotherapy Research : Ptr. 19: 679-83. PMID 16177970 DOI: 10.1002/ptr.1727  0.261
2005 Ara J, Sultana V, Qasim R, Ehteshamul-Haque S, Ahmad VU. Biological activity of Spatoglossum asperum: a brown alga. Phytotherapy Research : Ptr. 19: 618-23. PMID 16161033 DOI: 10.1002/ptr.1699  0.32
2005 Ahmad VU, Iqbal S, Kousar F, Bader S, Arshad S, Tareen RB. Two new saponins from Zygophyllum atriplicoides. Chemical & Pharmaceutical Bulletin. 53: 1126-30. PMID 16141581 DOI: 10.1248/cpb.53.1126  0.456
2005 Choudhary MI, Nawaz SA, Zaheer-Ul-Haq, Azim MK, Ghayur MN, Lodhi MA, Jalil S, Khalid A, Ahmed A, Rode BM, Atta-Ur-Rahman, Gilani AUH, Ahmad VU. Juliflorine: A potent natural peripheral anionic-site-binding inhibitor of acetylcholinesterase with calcium-channel blocking potential, a leading candidate for Alzheimer's disease therapy Biochemical and Biophysical Research Communications. 332: 1171-1179. PMID 16021692 DOI: 10.1016/J.Bbrc.2005.05.068  0.397
2005 Abbasi MA, Ahmad VU, Zubair M, Nawaz SA, Lodhi MA, Farooq U, Choudhary MI. Lipoxygenase inhibiting ethyl substituted glycoside from Symplocos racemosa. Natural Product Research. 19: 509-15. PMID 15938197 DOI: 10.1080/1478641042000261978  0.522
2005 Ahmad VU, Khan A, Farooq U, Kousar F, Khan SS, Nawaz SA, Abbasi MA, Choudhary MI. Three new cholinesterase-inhibiting cis-clerodane diterpenoids from Otostegia limbata. Chemical & Pharmaceutical Bulletin. 53: 378-81. PMID 15802835 DOI: JST.JSTAGE/cpb/53.378  0.515
2005 Ahmad VU, Zubair M, Athar Abbasi M, Abid Rashid M, Rasool N, Nahar Khan S, Iqbal Choudhary M, Kousar F. Structure determination of bioactive galloyl derivatives by NMR spectroscopy. Magnetic Resonance in Chemistry : Mrc. 43: 486-8. PMID 15772993 DOI: 10.1002/Mrc.1571  0.51
2005 Ahmad VU, Hussain H, Bukhari IA, Hussain J, Jassbi AR, Dar A. Antinociceptive diterpene from Euphorbia decipiens. Fitoterapia. 76: 230-2. PMID 15752637 DOI: 10.1016/j.fitote.2004.12.014  0.579
2005 Ahmad VU, Hussain J, Hussain H, Farooq U, Farmanullah, Lodhi MA, Choudhary MI. Two new diterpene polyesters from Euphorbia decipiens. Natural Product Research. 19: 267-74. PMID 15702640 DOI: 10.1080/14786410410001714687  0.633
2004 Abbasi MA, Ahmad VU, Zubair M, Fatima N, Farooq U, Hussain S, Lodhi MA, Choudhary MI. Phosphodiesterase and thymidine phosphorylase-inhibiting salirepin derivatives from Symplocos racemosa. Planta Medica. 70: 1189-94. PMID 15643556 DOI: 10.1055/S-2004-835850  0.5
2004 Ahmad VU, Ullah F, Hussain J, Farooq U, Zubair M, Khan MT, Choudhary MI. Tyrosinase inhibitors from Rhododendron collettianum and their structure-activity relationship (SAR) studies. Chemical & Pharmaceutical Bulletin. 52: 1458-61. PMID 15577244 DOI: JST.JSTAGE/cpb/52.1458  0.498
2004 Choudhary MI, Fatima N, Abbasi MA, Jalil S, Ahmad VU, Atta-Ur-Rahman. Phenolic glycosides, a new class of human recombinant nucleotide pyrophosphatase phosphodiesterase-1 inhibitors Bioorganic and Medicinal Chemistry. 12: 5793-5798. PMID 15558843 DOI: 10.1016/j.bmc.2004.08.035  0.4
2004 Ahmad VU, Farooq U, Hussain J, Ullah F, Nawaz SA, Choudhary MI. Two new diterpenoids from Ballota limbata. Chemical & Pharmaceutical Bulletin. 52: 441-3. PMID 15056960  0.495
2004 Ahmad VU, Saba N, Khan KM. Triterpenoid saponin from the bark of Guaiacum officinale L. Natural Product Research. 18: 111-6. PMID 14984082 DOI: 10.1080/1478641031000140866  0.377
2004 Azhar KF, Qudrat-E-Khuda M, Khan KA, Ahmad VU. Negative ion FAB mass spectroscopy of some ribose alkylated 5'-UMP derivatives. Natural Product Research. 18: 11-4. PMID 14974611 DOI: 10.1080/1478641031000111543  0.245
2003 Ahmad VU, Hussain H, Jassbi AR, Hussain J, Bukhari IA, Yasin A, Aziz N, Choudhary MI. New bioactive diterpene polyesters from Euphorbia decipiens. Journal of Natural Products. 66: 1221-4. PMID 14510601 DOI: 10.1021/Np020186A  0.668
2003 Ahmed A, Asim M, Zahid M, Ali A, Ahmad VU. New triterpenoids from Corchorus trilocularis. Chemical & Pharmaceutical Bulletin. 51: 851-3. PMID 12843594 DOI: 10.1248/cpb.51.851  0.328
2003 Ahmad VU, Hussain J, Hussain H, Jassbi AR, Ullah F, Lodhi MA, Yasin A, Choudhary MI. First natural urease inhibitor from Euphorbia decipiens. Chemical & Pharmaceutical Bulletin. 51: 719-23. PMID 12808253  0.519
2003 Ahmad VU, Abbasi MA, Hussain H, Akhtar MN, Farooq U, Fatima N, Choudhary MI. Phenolic glycosides from Symplocos racemosa: natural inhibitors of phosphodiesterase I. Phytochemistry. 63: 217-20. PMID 12711144 DOI: 10.1016/S0031-9422(03)00075-X  0.665
2002 Simin K, Ali Z, Khaliq-Uz-Zaman SM, Ahmad VU. Structure and biological activity of a new rotenoid from Pongamia pinnata. Natural Product Letters. 16: 351-7. PMID 12434992 DOI: 10.1080/10575630290033114  0.531
2002 Ara J, Sultana V, Qasim R, Ahmad VU. Hypolipidaemic activity of seaweed from Karachi coast. Phytotherapy Research : Ptr. 16: 479-83. PMID 12203271 DOI: 10.1002/ptr.909  0.221
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