Upendra Sharma - Publications

catalysis, natural Product Chemistry and Medicinal Chemistry

46 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 Singh PP, Bora PS, Suresh PS, Bhatt V, Sharma U. Qualitative and quantitative determination of steroidal saponins in Trillium govanianum by UHPLC-QTOF-MS/MS and UHPLC-ELSD. Phytochemical Analysis : Pca. PMID 32488904 DOI: 10.1002/pca.2951  1
2020 Singh PP, Suresh PS, Bora PS, Bhatt V, Sharma U. Govanoside B, a new steroidal saponin from rhizomes of . Natural Product Research. 1-9. PMID 32378425 DOI: 10.1080/14786419.2020.1761360  1
2020 Kaur S, Kumar A, Thakur S, Kumar K, Sharma R, Sharma A, Singh P, Sharma U, Kumar S, Landi M, Brestič M, Kaur S. Antioxidant, Antiproliferative and Apoptosis-Inducing Efficacy of Fractions from L. Leaves. Antioxidants (Basel, Switzerland). 9. PMID 32093300 DOI: 10.3390/antiox9020173  1
2019 Kumar R, Sharma R, Kumar R, Sharma U. Cp*Rh(III)-Catalyzed Regioselective C(sp)-H Methylation of 8-Methylquinolines with Organoborons. Organic Letters. PMID 31859519 DOI: 10.1021/acs.orglett.9b04331  1
2019 Katoch D, Sharma U. Simultaneous quantification and identification of Amaryllidaceae alkaloids in Narcissus tazetta by ultra performance liquid chromatography-diode array detector-electrospray ionisation tandem mass spectrometry. Journal of Pharmaceutical and Biomedical Analysis. 175: 112750. PMID 31330284 DOI: 10.1016/j.jpba.2019.06.047  1
2019 Dhiman AK, Gupta SS, Sharma R, Kumar R, Sharma U. Rh(III)-Catalyzed C(8)-H Activation of Quinoline N-oxides: Regioselective C-Br and C-N Bond Formation. The Journal of Organic Chemistry. PMID 31257883 DOI: 10.1021/acs.joc.9b01538  1
2019 Katoch D, Kumar D, Padwad YS, Singh B, Sharma U. Pseudolycorine N-oxide, a new N-oxide from Narcissus tazetta. Natural Product Research. 1-8. PMID 30784301 DOI: 10.1080/14786419.2019.1574785  1
2019 Sharma R, Kumar R, Sharma U. Rh/O2-Catalyzed C8 Olefination of Quinoline N-oxides with Activated and Unactivated Olefins. The Journal of Organic Chemistry. PMID 30693780 DOI: 10.1021/acs.joc.8b03176  1
2019 Katoch D, Kumar D, Padwad YS, Singh B, Sharma U. Narciclasine-4-O-β-D-xylopyranoside, a new narciclasine glycoside from Zephyranthes minuta. Natural Product Research. 1-8. PMID 30636443 DOI: 10.1080/14786419.2018.1527836  1
2018 Sharma S, Patial V, Singh D, Sharma U, Kumar D. Antimicrobial homoisoflavonoids from the rhizomes of Polygonatum verticillatum. Chemistry & Biodiversity. PMID 30334349 DOI: 10.1002/cbdv.201800430  1
2018 Kumar R, Sharma R, Kumar I, Upadhyay P, Dhiman AK, Kumar R, Kumar R, Purohit R, Sahal D, Sharma U. Evaluation of antiplasmodial potential of C-2 and C-8 modified quinolines: in vitro and in silico study. Medicinal Chemistry (Shariqah (United Arab Emirates)). PMID 30324888 DOI: 10.2174/1573406414666181015144413  1
2018 Sharma R, Kumar R, Kumar R, Upadhyay P, Sahal D, Sharma U. 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. The Journal of Organic Chemistry. PMID 30211555 DOI: 10.1021/acs.joc.8b02042  1
2018 Chaudhary A, Choudhary S, Sharma U, Vig AP, Singh B, Arora S. Purple head broccoli ( L. var. Plenck), a functional food crop for antioxidant and anticancer potential. Journal of Food Science and Technology. 55: 1806-1815. PMID 29666533 DOI: 10.1007/s13197-018-3095-0  1
2017 Bansal S, Sharma U, Jain A, Sharma R, Yagnik B. CD19-negative B-lineage acute lymphoblastic leukemia: A diagnostic and therapeutic challenge. Indian Journal of Pathology & Microbiology. 60: 596-598. PMID 29323085 DOI: 10.4103/IJPM.IJPM_379_17  1
2017 Sharma S, Bhatt V, Kumar N, Singh B, Sharma U. Locational comparison of essential oils from selected conifers of Himachal Pradesh. Natural Product Research. 1-5. PMID 28095708 DOI: 10.1080/14786419.2016.1277354  1
2016 Chandel M, Kumar M, Sharma U, Singh B, Kaur S. Investigations on antioxidant, antiproliferative and COX-2 inhibitory potential of alkaloids from Anthocephalus Cadamba (Roxb.) Miq. leaves. Chemistry & Biodiversity. PMID 27973724 DOI: 10.1002/cbdv.201600376  1
2016 Rattan R, Inder Fozdar B, Gautam V, Sharma R, Kumar D, Sharma U. Cuspidate A, new anti-fungal triterpenoid saponin from Lepidagathis cuspidata. Natural Product Research. 1-7. PMID 27827543 DOI: 10.1080/14786419.2016.1244192  1
2016 Bhatt V, Sharma S, Kumar N, Sharma U, Singh B. Simultaneous quantification and identification of flavonoids, lignans, coumarin and amides in leaves of Zanthoxylum armatum using UPLC-DAD-ESI-QTOF-MS/MS. Journal of Pharmaceutical and Biomedical Analysis. 132: 46-55. PMID 27693952 DOI: 10.1016/j.jpba.2016.09.035  1
2016 Sharma S, Kumar M, Sharma S, Nayal OS, Kumar N, Singh B, Sharma U. Microwave assisted synthesis of phenanthridinones and dihydrophenanthridines by vasicine/KOtBu promoted intramolecular C-H arylation. Organic & Biomolecular Chemistry. PMID 27545507 DOI: 10.1039/c6ob01362g  1
2016 Nayal OS, Thakur MS, Bhatt V, Kumar M, Kumar N, Singh B, Sharma U. Synthesis of tertiary arylamines: Lewis acid-catalyzed direct reductive N-alkylation of secondary amines with ketones through an alternative pathway. Chemical Communications (Cambridge, England). PMID 27363507 DOI: 10.1039/c6cc04381j  1
2016 Kumar R, Kumar I, Sharma R, Sharma U. Catalyst and solvent-free alkylation of quinoline N-oxides with olefins: A direct access to quinoline-substituted α-hydroxy carboxylic derivatives. Organic & Biomolecular Chemistry. PMID 26846299 DOI: 10.1039/c5ob02600h  1
2015 Rattan R, Reddy SG, Dolma SK, Fozdar BI, Gautam V, Sharma R, Sharma U. Triterpenoid Saponins from Clematis graveolens and Evaluation of their Insecticidal Activities. Natural Product Communications. 10: 1525-8. PMID 26594749  1
2015 Agasti S, Sharma U, Naveen T, Maiti D. Orthogonal selectivity with cinnamic acids in 3-substituted benzofuran synthesis through C-H olefination of phenols. Chemical Communications (Cambridge, England). 51: 5375-8. PMID 25347298 DOI: 10.1039/c4cc07026g  1
2014 Sharma U, Kancherla R, Naveen T, Agasti S, Maiti D. Palladium-catalyzed annulation of diarylamines with olefins through C-H activation: direct access to N-arylindoles. Angewandte Chemie (International Ed. in English). 53: 11895-9. PMID 25204895 DOI: 10.1002/anie.201406284  1
2014 Chaudhary A, Sharma U, Vig AP, Singh B, Arora S. Free radical scavenging, antiproliferative activities and profiling of variations in the level of phytochemicals in different parts of broccoli (Brassica oleracea italica). Food Chemistry. 148: 373-80. PMID 24262571 DOI: 10.1016/j.foodchem.2013.10.042  1
2013 Sharma U, Naveen T, Maji A, Manna S, Maiti D. Palladium-catalyzed synthesis of benzofurans and coumarins from phenols and olefins. Angewandte Chemie (International Ed. in English). 52: 12669-73. PMID 24127393 DOI: 10.1002/anie.201305326  1
2013 Maity S, Naveen T, Sharma U, Maiti D. Stereoselective nitration of olefins with (t)BuONO and TEMPO: direct access to nitroolefins under metal-free conditions. Organic Letters. 15: 3384-7. PMID 23772945 DOI: 10.1021/ol401426p  1
2013 Naveen T, Maity S, Sharma U, Maiti D. A predictably selective nitration of olefin with Fe(NO3)3 and TEMPO. The Journal of Organic Chemistry. 78: 5949-54. PMID 23692506 DOI: 10.1021/jo400598p  1
2013 Katoch D, Kumar D, Sharma U, Kumar N, Padwad YS, Lal B, Singh B. Zephgrabetaine: a new betaine-type amaryllidaceae alkaloid from Zephyranthes grandiflora. Natural Product Communications. 8: 161-4. PMID 23513717  1
2013 Nagarajan S, Majumder S, Sharma U, Rajendran S, Kumar N, Chatterjee S, Singh B. Synthesis and anti-angiogenic activity of benzothiazole, benzimidazole containing phthalimide derivatives. Bioorganic & Medicinal Chemistry Letters. 23: 287-90. PMID 23182087 DOI: 10.1016/j.bmcl.2012.10.106  1
2012 Chandel M, Sharma U, Kumar N, Singh B, Kaur S. 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 Pacific Journal of Tropical Medicine. 5: 977-85. PMID 23199718 DOI: 10.1016/S1995-7645(12)60186-2  1
2012 Sharma U, Bala M, Saini R, Verma PK, Kumar N, Singh B, Munshi RK, Bhalerao S. Polysaccharide enriched immunomodulatory fractions from Tinospora cordifolia (Willd) miers ax hook. f. & Thoms. Indian Journal of Experimental Biology. 50: 612-7. PMID 23140018  1
2012 Sharma U, Kumar N, Singh B. Furostanol saponin and diphenylpentendiol from the roots of Asparagus racemosus. Natural Product Communications. 7: 995-8. PMID 22978214  1
2012 Kumar N, Sharma U, Singh C, Singh B. Thalidomide: chemistry, therapeutic potential and oxidative stress induced teratogenicity. Current Topics in Medicinal Chemistry. 12: 1436-55. PMID 22650376  1
2012 Sharma U, Bala M, Kumar N, Singh B, Munshi RK, Bhalerao S. Immunomodulatory active compounds from Tinospora cordifolia. Journal of Ethnopharmacology. 141: 918-26. PMID 22472109 DOI: 10.1016/j.jep.2012.03.027  1
2011 Kumar V, Sharma U, Verma PK, Kumar N, Singh B. Silica-supported boric acid with ionic liquid: a novel recyclable catalytic system for one-pot three-component Mannich reaction. Chemical & Pharmaceutical Bulletin. 59: 639-45. PMID 21532203 DOI: JST.JSTAGE/cpb/59.639  1
2011 Sharma U, Verma PK, Kumar N, Kumar V, Bala M, Singh B. Phosphane-free green protocol for selective nitro reduction with an iron-based catalyst. Chemistry (Weinheim An Der Bergstrasse, Germany). 17: 5903-7. PMID 21500293 DOI: 10.1002/chem.201003621  1
2011 Kaur R, Sharma U, Singh B, Arora S. Antimutagenic and antioxidant characteristics of Chukrasia tabularis A Juss extracts. International Journal of Toxicology. 30: 21-34. PMID 20959614 DOI: 10.1177/1091581810385362  1
2009 Sharma UK, Sharma N, Sinha AK, Kumar N, Gupta AP. Ultrafast UPLC-ESI-MS and HPLC with monolithic column for determination of principal flavor compounds in vanilla pods. Journal of Separation Science. 32: 3425-31. PMID 19750505 DOI: 10.1002/jssc.200900353  1
2009 Sharma N, Sharma UK, Gupta AP, Sinha AK, Lal B, Ahuja PS. Simultaneous densitometric determination of shikonin, acetylshikonin, and beta-acetoxyisovaleryl-shikonin in ultrasonic-assisted extracts of four Arnebia species using reversed-phase thin layer chromatography. Journal of Separation Science. 32: 3239-45. PMID 19697311 DOI: 10.1002/jssc.200900129  1
2009 Sharma U, Saini R, Kumar N, Singh B. Steroidal saponins from Asparagus racemosus. Chemical & Pharmaceutical Bulletin. 57: 890-3. PMID 19652422 DOI: JST.JSTAGE/cpb/57.890  1
2008 Sharma N, Sharma UK, Malik S, Bhushan S, Kumar V, Verma SC, Sharma N, Sharma M, Sinha AK. Isolation and purification of acetylshikonin and beta-acetoxyisovalerylshikonin from cell suspension cultures of Arnebia euchroma (Royle) Johnston using rapid preparative HPLC. Journal of Separation Science. 31: 629-35. PMID 18264989 DOI: 10.1002/jssc.200700489  1
2007 Sharma UK, Sharma N, Gupta AP, Kumar V, Sinha AK. RP-HPTLC densitometric determination and validation of vanillin and related phenolic compounds in accelerated solvent extract of Vanilla planifolia*. Journal of Separation Science. 30: 3174-80. PMID 18027359 DOI: 10.1002/jssc.200700229  1
2007 Sinha AK, Verma SC, Sharma UK. Development and validation of an RP-HPLC method for quantitative determination of vanillin and related phenolic compounds in Vanilla planifolia. Journal of Separation Science. 30: 15-20. PMID 17313136 DOI: 10.1002/jssc.200600193  1
2006 Bala R, Sharma RP, Sharma U, Ferretti V. 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 Crystallographica. Section C, Crystal Structure Communications. 62: m628-31. PMID 17148905 DOI: 10.1107/S0108270106044398  1
2006 Shukla SK, Chaudhary P, Kumar IP, Samanta N, Afrin F, Gupta ML, Sharma UK, Sinha AK, Sharma YK, Sharma RK. Protection from radiation-induced mitochondrial and genomic DNA damage by an extract of Hippophae rhamnoides. Environmental and Molecular Mutagenesis. 47: 647-56. PMID 16948057 DOI: 10.1002/em.20251  1
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