Dr. Upendra  Sharma

Dr. Upendra Sharma

Scientist
CSIR-Institute of Himalayan Bioresource Technology, India


Highest Degree
Ph.D. in Organic Chemistry from Guru Nanak Dev University, India

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Biography

Dr. Upendra Sharma is currently working as Scientist at CSIR-Institute of Himalayan Bioresource Technology, India. He obtained his Ph.D. in Organic Chemistry from Guru Nanak Dev University, Amritsar, India. His main area of interest related to Catalysis and Natural Product Chemistry. His area of expertise includes Organic Synthesis, Analytical Chemistry, Catalysis, C-H activation, Natural Product Chemistry, Structure Elucidation. He has published 50 articles in journals contributed as author/co-author.

Area of Interest:

Chemistry
100%
Catalysis
62%
Natural Product Chemistry
90%
Organic Synthesis
75%
Spectroscopy
55%

Selected Publications

  1. Thakur, M., S. Sharma, U. Sharma and R. Kumar, 2019. Study on effect of pruning time on growth, yield and quality of scented rose (Rosa damascena Mill.) varieties under acidic conditions of western Himalayas. J. Applied Res. Med. Aromat. Plants. 10.1016/j.jarmap.2019.100202.
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  2. Sharma, R., R. Kumar and U. Sharma, 2019. Rh/O2-catalyzed C8 olefination of quinoline N-oxides with activated and unactivated olefins. J. Org. Chem., 84: 2786-2797.
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  3. Kumar, R., R. Kumar, D. Chandra and U. Sharma, 2019. Cp*CoIII–catalyzed alkylation of primary and secondary C(sp3)-H bonds of 8-alkylquinolines with maleimides. J. Org. Chem., 84: 1542-1552.
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  4. Katoch, D., D. Kumar, Y.S. Padwad, B. Singh and U. Sharma, 2019. Pseudolycorine N-oxide, a new N-oxide from Narcissus tazetta. Nat. Prod. Res. 10.1080/14786419.2019.1574785.
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  5. Katoch, D., D. Kumar, Y.S. Padwad, B. Singh and U. Sharma, 2019. Narciclasine-4-O-β-D-xylopyranoside, a new narciclasine glycoside from Zephyranthes minuta. Nat. Prod. Res. 10.1080/14786419.2018.1527836.
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  6. Katoch, D. and U. Sharma, 2019. Simultaneous quantification and identification of Amaryllidaceae alkaloids in Narcissus tazetta by ultra performance liquid chromatography-diode array detector-electrospray ionisation tandem mass spectrometry. J. Pharm. Biomed. Anal., Vol. 175. 10.1016/j.jpba.2019.06.047.
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  7. Dhiman, A.K., D. Chandra, R. Kumar and U. Sharma, 2019. Catalyst-free synthesis of 2-anilinoquinolines and 3-hydroxyquinolines via three-component reaction of quinoline N-oxides, aryldiazonium salts and acetonitrile. J. Org. Chem., 84: 6962-6969.
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  8. Chandra, D., A.K. Dhiman, R. Kumar and U. Sharma, 2019. Microwave‐assisted metal‐free rapid synthesis of C4‐arylated quinolines via povarov type multicomponent reaction. Eur. J. Org. Chem., 2019: 2753-2758.
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  9. Dhiman, A.K., S.S. Gupta, R. Sharma, R. Kumar and U. Sharma, 2019. Rh(III)-Catalyzed C (8)-H activation of quinoline N-oxides: Regioselective C-Br and C-N bond formation. J. Organ. Chem. 10.1021/acs.joc.9b01538.
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  10. Sharma, S., V. Patial, D. Singh, U. Sharma and D. Kumar, 2018. Antimicrobial homoisoflavonoids from the rhizomes of Polygonatum verticillatum. Chem. Biodivers., Vol. 15. 10.1002/cbdv.201800430.
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  11. Sharma, R., R. Kumar, R. Kumar, P. Upadhyay, D. Sahal and U. Sharma, 2018. Rh(III)-catalyzed C(8)–H functionalization of quinolines via simultaneous C–C and C–O bond formation: Direct synthesis of quinoline derivatives with antiplasmodial potential. J. Org. Chem., 83: 12702-12710.
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  12. Sharma, R., R. Jandrotia, B. Singh, U. Sharma and D. Kumar, 2018. Comprehensive metabolomics study of traditionally important Rumex species found in western Himalayan region. Nat. Prod. Commun., 13: 189-194.
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  13. Sharma, R. and U. Sharma, 2018. Remote C-H bond activation/transformations: A continuous growing synthetic tool; Part II Catal. Rev. Sci. Eng., 60: 497-565.
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  14. Kumar, R., S. Chaudhary, R. Kumar, P. Upadhyay, D. Sahal and U. Sharma, 2018. Catalyst and additive-free diastereoselective 1,3-dipolar cycloaddition of quinolinium imides with olefins, maleimides and benzynes: Direct access to fused N,N′-heterocycles with promising activity against a drug-resistant malaria parasite. J. Org. Chem., 83: 11552-11570.
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  15. Kumar, R., R. Sharma, I. Kumar, P. Upadhyayand A.K. Dhiman et al., 2018. Evaluation of antiplasmodial potential of C-2 and C-8 modified quinolines: In vitro and in silico study. Med. Chem. 10.2174/1573406414666181015144413.
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  16. Kumar, M., K. Thakur, S. Sharma, O.S. Nayal, N. Kumar, B. Singh and U. Sharma, 2018. Solvent‐free, l‐leucine‐catalyzed direct dehydrative esterification of carboxylic acids with alcohols: Direct synthesis of 3‐alkoxy 1(3 H)‐isobenzofuranone. Asian J. Org. Chem., 7: 227-231.
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  17. Kumar, I., R. Sharma, R. Kumar, R. Kumar and U. Sharma, 2018. C70 fullerene‐catalyzed metal‐free photocatalytic ipso‐hydroxylation of aryl boronic acids: Synthesis of phenols. Adv. Synth. Catal., 360: 2013-2019.
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  18. Kumar, I., R. Kumar and U. Sharma, 2018. Recent advances in the regioselective synthesis of indoles via C–H activation/functionalization. Synthesis, 50: 2655-2677.
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  19. Kumar, D., P. Kumar and U. Sharma, 2018. UPLC-DAD-MS based quality control and discrimination analysis of different aerial parts of Crataegus rhipidophylla gand. Found in Indian Western Himalaya. Anal. Chem. Lett., 8: 177-187.
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  20. Kumar, D. and U. Sharma, 2018. High-performance thin-layer chromatography: An economical alternative for the quality control of medicinal plants and derived products. Sep. Sci. Plus, 1: 100-134.
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  21. Chaudhary, A., S. Choudhary, U. Sharma, A.P. Vig, B. Singh and S. Arora, 2018. Purple head broccoli (Brassica oleracea L. var. italica Plenck), a functional food crop for antioxidant and anticancer potential. J. Food Sci. Technol., 55: 1806-1815.
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  22. Bhatt, V., N. Kumar, U. Sharma and B. Singh, 2018. Comprehensive metabolic profiling of Zanthoxylum armatum and Zanthoxylum acanthopodium leaves, bark, flowers and fruits using Ultra high performance liquid chromatography. Sep. Sci. Plus, 1: 311-324.
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  23. Sharma, S., V. Bhatt, N. Kumar, B. Singh and U. Sharma, 2017. Locational comparison of essential oils from selected conifers of Himachal Pradesh. Nat. Prod. Res., 31: 1578-1582.
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  24. Sharma, R., I. Kumar, R. Kumar and U. Sharma, 2017. Rhodium-catalyzed remote (C-8) alkylation of quinolines with activated and unactivated olefins: Mechanistic study and total synthesis of EP4 agonist. Adv. Synth. Catal., 359: 3022-3028.
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  25. Sharma, A., R. Sharma, R. Arora, S. Arora, B. Singh and U. Sharma, 2017. Quantitative and Qualitative analysis of Eruca sativa and Brassica juncea seeds by UPLC-DAD and UPLC-ESI-QTOF. Nat. Prod. Commun., 12: 1485-1489.
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  26. Rattan, R., B.I. Fozdar, V. Gautam, R. Sharma, D. Kumar and U. Sharma, 2017. Cuspidate A, new anti-fungal triterpenoid saponin from Lepidagathis cuspidata. Nat. Prod. Res., 31: 773-779.
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  27. Kumar, R., R. Kumar, A.K. Dhiman and U. Sharma, 2017. Regioselective Metal‐free C2− H arylation of quinoline N‐oxides with aryldiazonium salts/anilines under ambient conditions. Asian J. Org. Chem., 6: 1043-1053.
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  28. Kumar, M., V. Bhatt, O.S. Nayal, S. Sharma and V. Kumar et al., 2017. CuI nanoparticles as recyclable heterogeneous catalysts for C-N bond formation reactions. Catal. Sci. Technol., 7: 2857-2864.
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  29. Kumar, M., S. Sharma, K. Thakur, O.S. Nayal and V. Bhatt et al., 2017. Montmorillonite‐K10‐catalyzed microwave‐assisted direct amidation of unactivated carboxylic acids with amines: Maintaining chiral integrity of substrates. Asian J. Org. Chem., 6: 342-346.
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  30. Dhiman, A.K., R. Kumar, R. Kumar and U. Sharma, 2017. Metal-free synthesis of 2- substituted-3-(2-hydroxyaryl)quinolines and 4-(2-hydroxyaryl)acridines via benzyne chemistry. J. Org. Chem., 82: 12307-12317.
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  31. Chandel, M., M. Kumara, U. Sharma, B. Singh and S. Kaur, 2017. Antioxidant, antigenotoxic and cytotoxic activity of Anthocephalus cadamba (Roxb.) Miq. bark fractions and their phytochemical analysis using UPLC-ESI-QTOF-MS Comb. Chem. High Throughput Screening, 20: 760-772.
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  32. Chandel, M., M. Kumar, U. Sharma, B. Singh and S. Kaur, 2017. Investigations on Antioxidant, Antiproliferative and COX‐2 Inhibitory Potential of Alkaloids from Anthocephalus cadamba (Roxb.) Miq. leaves. Chem. Biodivers., Vol. 14. 10.1002/cbdv.201600376.
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  33. Bhatta, V., S. Sharmaa, N. Kumar, U. Sharma and B. Singh, 2017. Simultaneous quantification and identification of flavonoids, lignans, coumarin and amides in leaves of Zanthoxylum armatum using UPLC-DAD-ESI-QTOF–MS/MS. J. Pharm. Biomed. Anal., 132: 46-55.
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  34. Bhatt, V., S. Sharma, N. Kumar, U. Sharma and B. Singh, 2017. Chemical composition of essential oil among seven populations of Zanthoxylum armatum from Himachal Pradesh: Chemotypic and seasonal variation. Nat. Prod. Commun., 12: 1643-1646.
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  35. Sharma, S., M. Kumar, V. Bhatt, O.S. Nayal and M.S. Thakur et al., 2016. Vasicine from Adhatoda vasica as an organocatalyst for metal-free Henry reaction and reductive heterocyclization of o-nitroacylbenzenes. Tetrahedron Lett., 45: 5003-5008.
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  36. Sharma, S., M. Kumar, S. Sharma, O.S. Nayal, N. Kumar, B. Singh and U. Sharma, 2016. Microwave assisted synthesis of phenanthridinones and dihydrophenanthridines by vasicine/KOtBu promoted intramolecular C–H arylation. Org. Biomol. Chem., 14: 8536-8544.
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  37. Sharma, S., M. Kumar, O.S. Nayal, M.S. Thakur and V. Bhatt et al., 2016. Designing vasicine‐derived ligands and their application for ruthenium‐catalyzed transfer hydrogenation reactions in water: Synthesis of amines and alcohols. Asian J. Org. Chem., 5: 1471-1479.
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  38. Rattan, R., A. Kumari, V. Gautam, B.I. Fozdar, U. Sharma and D. Kumar, 2016. Preliminary phytochemical screening, antioxidant and antifungal activity of Lepidagathis cuspidate. Int. J. Drug Dev. Res., 8: 001-003.
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  39. Nayal, O.S., M.S. Thakur, V. Bhatt, M. Kumar, N. Kumar, B. Singh and U. Sharma, 2016. Synthesis of tertiary arylamines: Lewis acid-catalyzed direct reductive N-alkylation of secondary amines with ketones through an alternative pathway. Chem. Commun., 52: 9648-9651.
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  40. Kumar, R., I. Kumar, R. Sharma and U. Sharma, 2016. Catalyst and solvent-free alkylation of quinoline N-oxides with olefins: A direct access to quinoline-substituted α-hydroxy carboxylic derivatives. Org. Biomol. Chem., 14: 2613-2617.
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  41. Kumar, D., A. Gulati and U. Sharma, 2016. Determination of Theanine and Catechin in Camellia sinensis (Kangra Tea) Leaves by HPTLC and NMR Techniques. Food Anal. Methods, 9: 1666-1674.
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  42. Chaudhary, A., S. Choudhary, U. Sharma and S. Arora, 2016. In vitro evaluation of Brassica sprouts for its antioxidant and antiproliferative potential. Indian J. Pharm. Sci., 78: 615-623.
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  43. Chandel, M., M. Kumar, U. Sharma, N. Kumar, B. Singh and S. Kaur, 2016. Isolation and characterization of flavanols from Anthocephalus cadamba and evaluation of their antioxidant, antigenotoxic, cytotoxic and COX-2 inhibitory activities. Braz. J. Pharmacogn., 26: 474-483.
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  44. Sharma, U., R. Kancherla, T. Naveen, S. Agasti and D. Maiti, 2015. Palladium-catalyzed annulation of diarylamines with olefins through C–H activation: Direct access to N-arylindoles. Angewandte Chem. Int. Edn., 53: 11895-11899.
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  45. Sharma, R., R. Kumar, I. Kumar, B. Singh and U. Sharma, 2015. Selective C–Si bond formation through C–H functionalization. Synthesis, 47: 2347-2366.
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  46. Sharma, R., R. Kumar, I. Kumar and U. Sharma, 2015. RhIII‐catalyzed dehydrogenative coupling of quinoline N‐oxides with alkenes: N‐oxide as traceless directing group for remote C–H activation. Eur. J. Org. Chem., 2015: 7519-7528.
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  47. Sharma, R., K. Thakur, R. Kumar, I. Kumar and U. Sharma, 2015. Distant C-H activation/functionalization: A new horizon of selectivity beyond proximity. Catal. Rev.: Sci. Eng., 57: 345-405.
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  48. Sharma, R., K. Thakur and U. Sharma, 2015. Olefins as unprecedented feedstock for the synthesis of valuable heterocycles: Regioselectivity remains an issue. Synlett, 26: 137-141.
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  49. Rattan, R., S.G.E. Reddy, S.K. Dolma, B.I. Fozdar, V. Gautam, R. Sharma and U. Sharma, 2015. Triterpenoid saponins from Clematis graveolens and evaluation of their insecticidal activities. Nat. Prod. Commun., 10: 1525-1528.
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  50. Agasti, S., U. Sharma, T. Naveen and D. Maiti, 2015. Orthogonal selectivity with cinnamic acids in 3-substituted benzofuran synthesis through C–H olefination of phenols. Chem. Commun., 51: 5375-5378.
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  51. Walia, M., U. Sharma, V.K. Agnihotri and B. Singh., 2014. Silica-supported boric acid assisted conversion of mono- and poly-saccharides to 5-hydroxymethylfurfural in ionic liquid. RSC Adv., 4: 14414-14418.
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  52. Verma, P.K., M. Bala, K. Thakur, U. Sharma and N. Kumar et al., 2014. Iron and palladium(II) phthalocyanines as recyclable catalysts for reduction of nitroarenes. Catal. Lett., 144: 1258-1267.
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  53. Sharma, U., Y. Park and S. Chang, 2014. Rh(III)-catalyzed traceless coupling of quinoline N-oxides with internal diarylalkynes. J. Org. Chem., 79: 9899-9906.
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  54. Sharma, U., R. Kancherla, T. Naveen, S. Agasti and D. Maiti, 2014. Palladium-catalyzed annulation of diarylamines with olefins through C-H activation: direct access to N-arylindoles. Angew. Chem. Int. Ed., 53: 11895-11899.
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  55. Sharma, U., A. Modak, S. Maity, A. Maji and D. Maiti, 2014. Direct Arylation via C-H Activation. In: New Trends in Cross-Coupling: Theory and Applications, CoIacot, T. (Ed.)., RSC Publishing, New York, ISBN: 978-1-84973-896-5, pp: 551-609.
  56. Maity, S., T. Naveen, U. Sharma and D. Maiti, 2014. Efficient and stereoselective nitration of olefins with AgNO2 and TEMPO. Synlett, 25: 603-607.
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  57. Kumar, V., U. Sharma, P. Kumar, N. Kumar and B. Singh, 2014. Silica-supported boric acid catalyzed synthesis of dihydropyrimidin-2-ones, Bis(indolyl)methanes, Esters and Amides. Indian J. Chem. Sect. B, 53: 83-89.
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  58. Chaudhary, A., U. Sharma, A.P. Vig, B. Singh and S. Arora, 2014. Free radical scavenging, antiproliferative activities and profiling of variations in the level of phytochemicals in different parts of broccoli (Brassica oleracea italica). Food Chem., 148: 373-380.
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  59. Walia, M., U. Sharma, S. Bhushan, N. Kumar and B. Singh, 2013. Arabinan-type polysaccharides from industrial apple pomace waste. Chem. Nat. Compd., 49: 794-798.
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  60. Verma, P.K., U. Sharma, M. Bala, N. Kumar and B. Singh, 2013. Transition metal-free 1,3-dimethylimidazolium hydrogen carbonate catalyzed hydration of organonitriles to amides. RSC Adv., 3: 895-899.
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  61. Verma, P.K., N. Kumar, U. Sharma, M. Bala and V. Kumar et al., 2013. Transition metal-free sodium borohydride promoted controlled hydration of nitriles to amides. Synth. Commun., 43: 2867-2875.
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  62. Tagoti, N., S. Maiti, U. Sharma and D. Maiti, 2013. A predictably selective nitration of olefin with Fe(NO3)3 and TEMPO. J. Organic Chem., 78: 5949-5954.
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  63. Sharma, U., N. Tagoti, A. Maji, S. Manna and D. Maiti, 2013. Palladium catalyzed synthesis of benzofurans and coumarins from phenols and olefins. Angewandte Chem. Int., 52: 12669-12673.
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  64. Sharma, U., N. Kumar, B. Singh, R.K. Munshi and S. Bhalerao, 2013. Immunomodulatory active steroidal saponins from Asparagus racemosus. Med. Chem. Res., 22: 573-579.
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  65. Patra, T., A. Deb, S. Manna, U. Sharma and D. Maiti, 2013. Iron-mediated decarboxylative trifluoromethylation of α,β-unsaturated carboxylic acids with trifluoromethanesulfinate. Eur. J. Organic Chem., 2013: 5247-5250.
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  66. Nagarajan, S., S. Majumder, U. Sharma, S. Rajendran, N. Kumar, S. Chatterjee and B. Singh, 2013. Synthesis and anti-angiogenic activity of benzothiazole, benzimidazole containing phthalimide derivatives. Bioorganic Med. Chem. Lett., 13: 287-290.
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  67. Maiti, S., N. Tagoti, U. Sharma and D. Maiti, 2013. Stereoselective nitration of olefins with tBuONO and TEMPO: Direct access to nitroolefins under metal-free condition. Organic Lett., 15: 3384-3387.
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  68. Kumar, M., U. Sharma, S. Sharma, V. Kumar, B. Singh and N. Kumar, 2013. Catalyst-free water mediated reduction of nitroarenes using glucose as hydrogen source. RSC Adv., 3: 4894-4898.
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  69. Katoch, D., D. Kumar, U. Sharma, N. Kumar, Y.S. Padwad, B. Lal and B. Singh, 2013. Zephgrabetaine: A New Betaine-type Amaryllidaceae Alkaloid from Zephyranthes grandiflora. Nat. Prod. Communi., 8: 161-164.
    PubMed  |  
  70. Chandel, M., U. Sharma, N. Kumar, B. Singh and S. Kaur, 2013. In vitro Studies on the Antioxidant/Antigenotoxic Potential of Aqueous Fraction from Anthocephalus cadamba Bark. In: Perspectives in Cancer Prevention-Translational Cancer Research, Sudhakaran, P.R., O.V. Oommen and M.R. Pillai (Eds.). Springer, New Delhi, ISBN 978-81-322-1532-5, pp: 61-72.
  71. Bala, M., P.K. Verma, U. Sharma, N. Kumar and B. Singh, 2013. Iron phthalocyanine as an efficient and versatile catalyst for N-alkylation of heterocyclic amines with alcohols: One-pot synthesis of 2-substituted benzimidazoles, benzothiazoles and benzoxazoles. Green Chem., 15: 1687-1693.
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  72. Bala, M., P.K. Verma, N. Kumar, U. Sharma and B. Singh, 2013. Highly efficient iron phthalocyanine catalyzed oxidative synthesis of imines from alcohols and amines. Can. J. Chem., 91: 732-737.
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  73. Verma, P.K., U. Sharma, N. Kumar, M. Bala and V. Kumar et al., 2012. Nickel phthalocyanine assisted highly efficient and selective carbonyl reduction in polyethylene glycol-400. Catal. Lett., 142: 907-913.
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  74. Sharma, U., N. Kumar, P.K. Verma, V. Kumar and B. Singh, 2012. Zinc phthalocyanine with PEG-400 as a recyclable catalytic system for selective reduction of aromatic nitro compounds. Green Chem., 14: 2289-2293.
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  75. Sharma, U., N. Kumar and B. Singh, 2012. New furostanol saponin and phenyl propanoid from roots of Asparagus racemosus. Nat. Prod. Communi., 7: 995-998.
  76. Sharma, U., M. Bala, R. Saini, P.K. Verma and N. Kumar et al., 2012. Polysaccharide enriched immunomodulatory fractions from Tinospora cordifolia (Willd) miers ax hook. f. and Thoms. Indian J. Exp. Biol., 50: 612-617.
    PubMed  |  
  77. Sharma, U., M. Bala, N. Kumar, B. Singh, R.K. Munshi and S. Bhalerao, 2012. Immunomodulatory active compounds from Tinospora cordifolia. J. Ethnopharmacol., 141: 918-926.
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  78. Kumar, V., U. Sharma, P.K. Verma, N. Kumar and B. Singh, 2012. Cobalt(II) phthalocyanine-catalyzed highly chemoselective reductive amination of carbonyl compounds in a green solvent. Adv. Synth. Catal., 354: 870-878.
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  79. Kumar, V., U. Sharma, B. Singh and N. Kumar, 2012. Direct one-pot cobalt(ii) phthalocyanine catalyzed synthesis of N-substituted Isoindolinones. Aust. J. Chem., 65: 1594-1598.
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  80. Kumar, V., S. Sharma, U. Sharma, B. Singh and N. Kumar, 2012. Synthesis of substituted amines and isoindolinones: catalytic reductive amination using abundantly available AlCl3/PMHS. Green Chem., 14: 3410-3414.
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  81. Kumar, N., U. Sharma, C. Singh and B. Singh, 2012. Thalidomide: chemistry, therapeutic potential and oxidative stress induced teratogenicity. Current Top. Med. Chem., 12: 1436-1455.
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  82. Chaudhary, A., G. Rampal, U. Sharma, T.S. Thind, B. Singh, A.P. Vig and S. Arora, 2012. Anticancer, antioxidant activities and GC-MS analysis of glucosinolates in two cultivars of broccoli. Med. Chem. Drug Disc., 2: 30-37.
  83. Chandel, M., U. Sharma, N. Kumar, B. Singh and S. Kaur, 2012. Antioxidant activity and identification of bioactive compounds from leaves of Anthocephalus cadamba by ultra-performance liquid chromatography/electrospray ionization quadrupole time of flight mass spectrometry. Asian Pac. J. Trop. Med., 5: 977-985.
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  84. Sharma, U., P.K. Verma, N. Kumar, V. Kumar and M. Bala et al., 2011. Phosphane-free green protocol for selective nitro reduction with an iron-based catalyst. Chem. Eur. J., 17: 5903-5907.
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  85. Kumar, V., U. Sharma, P.K. Verma, N. Kumar and B. Singh, 2011. Silica-supported boric acid with ionic liquid: a novel recyclable catalytic system for one-pot three-component mannich reaction. Chem. Pharm. Bull., 59: 639-645.
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  86. Kaur, R., U. Sharma, B. Singh and S. Arora, 2011. Antimutagenic potential of chickrassy (Chukrasia tabularis A. Juss) bark. J. Med. Plants Res., 5: 5021-5030.
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  87. Kaur, R., U. Sharma, B. Singh and S. Arora, 2011. Antimutagenic and antioxidant characteristics of Chukrasia tabularis A juss extracts. Int. J. Toxicol., 30: 21-34.
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  88. Sharma, U., P.K., N. Kumar, V. Kumar and B. Singh, 2010. Highly chemo- and regioselective reduction of aromatic nitro compounds catalyzed by recyclable copper(II) as well as cobalt(II) phthalocyanine. Adv. Synth. Catal., 352: 1834-1840.
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  89. Sharma, U., P. K., N. Kumar and B. Singh, 2010. Recent developments in the chemistry of phthalimide derivatives and their role as TNF-α inhibitor. Mini Rev. Med. Chem., 10: 678-704.
  90. Sharma, U., P. Bhandari, N. Kumar and B. Singh, 2010. Simultaneous determination of ten sugars in Tinospora cordifolia by ultrasonic assisted extraction and HPLC-ELSD method. Chromatographia, 71: 633-638.
  91. Sharma, U., M. Bala, P. Kumar, G. Rampal, N. Kumar, B. Singh and S. Arora, 2010. Antimutagenic extract from Tinospora cordifolia and its chemical composition. J. Med. Plants Res., 4: 2488-2494.
  92. Sharma, U., R. Saini, N. Kumar and B. Singh, 2009. Steroidal saponins from Asparagus racemosus. Chem. Pharm. Bull., 57: 890-893.
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  93. Bala, R., R.P. Sharma, U. Sharma, A.D. Burrows and K. Cassar, 2007. Hexaamminecobalt(III) complexes as multiple hydrogen bond donors: Synthesis, characterization and X-ray structural study of mixed anion complexes [Co(NH3)6]Br2(BF4) and [Co(NH3)6]Cl2(HC2O4)•H2O. J. Mol. Struct., 832: 156-163.
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  94. Bala, R., R.P. Sharma, U. Sharma and V. Ferretti, 2006. The first X-ray structure of a hexaamminecobalt(III) salt with two different complex chlorocadmium anions: synthesis, characterization and crystal structure of [Co(NH3)6]4 [CdCl6][CdCl4 (SCN)(H2O)] 2Cl2.2H2O. Acta Crystallogr C., 62: m628-m631.
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