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Number of items: 116. Suman Reddy, Y. ; Kadigachalam, P. ; Basak, Ranjan K. ; John Pal, A. P. ; Vankar, Yashwant D. (2012) Total synthesis of (+)-pericosine B and (+)-pericosine C and their enantiomers by using the Baylis-Hillman reaction and ring-closing metathesis as key steps Tetrahedron Letters, 53 (2). pp. 132-136. ISSN 0040-4039 Suman Reddy, Y. ; Kancharla, Pavan K. ; Roy, Rashmi ; Vankar, Yashwant D. (2012) Aza-Claisen rearrangement of 2-C-hydroxymethyl glycals as a versatile strategy towards synthesis of isofagomine and related biologically important azasugars Organic and Biomolecular Chemistry, 10 (14). pp. 2760-2773. ISSN 1477-0520 Basak, Ranjan ; Dharuman, Suresh ; Suman Reddy, Y. ; Doddi, Venkata Ramana ; Vankar, Yashwant D. (2012) HClO4·SiO2-mediated improved isomerization of glycidic esters to α -Hydroxy-β,γ-unsaturated esters: application in the formal synthesis of (R)-Baclofen and β -phenyl GABA analogues Chemistry Letters, 41 (3). pp. 325-327. ISSN 0366-7022 Suman Reddy, Y. ; John Pal, A. P. ; Gupta, Preeti ; Ansari, Alafia A. ; Vankar, Yashwant D. (2011) Ceric ammonium nitrate-catalyzed azidation of 1,2-anhydro sugars: application in the synthesis of structurally diverse sugar-derived morpholine 1,2,3-triazoles and 1,4-oxazin-2-ones Journal of Organic Chemistry, 76 (15). pp. 5972-5984. ISSN 0022-3263 Kancharla, Pavan K. ; Suman Reddy, Y. ; Dharuman, Suresh ; Vankar, Yashwant D. (2011) Acetyl chloride-silver nitrate-acetonitrile: a reagent system for the synthesis of 2-nitroglycals and 2-nitro-1-acetamido sugars from glycals Journal of Organic Chemistry, 76 (14). pp. 5832-5837. ISSN 0022-3263 Lahiri, Rima ; Kokatla, Hari Prasad ; Vankar, Yashwant D. (2011) An improved method of ring closing metathesis in the presence of basic amines: application to the formal synthesis of (+)-lentiginosine and other piperidines and carbamino sugar analogs Tetrahedron Letters, 52 (7). pp. 781-786. ISSN 0040-4039 Gupta, Preeti ; John Pal, A. P. ; Suman Reddy, Y. ; Vankar, Yashwant D. (2011) Synthesis of aminocyclitols and trihydroxylated indolizidinone from a D-mannitol-derived common building block European Journal of Organic Chemistry, 2011 (6). pp. 1166-1175. ISSN 1434-193X Pal, Adabala Pal John ; Kadigachalam, Parasuraman ; Mallick, Asadulla ; Doddi, Venkata Ramana ; Vankar, Yashwant D. (2011) Synthesis of sugar-derived spiroaminals via lactamization and metathesis reactions Organic and Biomolecular Chemistry, 9 (3). pp. 809-819. ISSN 1477-0520 Gupta, Preeti ; Dharuman, Suresh ; Vankar, Yashwant D. (2010) (3S,4R,5R)-3-(2-Hydroxyethyl)piperidine-3,4,5-triol as an isofagomine analogue: synthesis and glycosidase inhibition study Tetrahedron: Asymmetry, 21 (24). pp. 2966-2972. ISSN 0957-4166 Kancharla, Pavan K. ; Vankar, Yashwant D. (2010) Chemistry of 2-nitroglycals: a one-pot three-component stereoselective approach toward 2-C-branched O-galactosides Journal of Organic Chemistry, 75 (24). pp. 8457-8464. ISSN 0022-3263 John Pal, A. P. ; Mallick, Asadulla ; Suman Reddy, Y. ; Vankar, Yashwant D. (2010) Molecular iodine-promoted N- and C-glycosylation of 1-C-alkyl (or phenyl)-glycopyranoses Tetrahedron Letters, 51 (48). pp. 6334-6337. ISSN 0040-4039 John Pal, A. P. ; Gupta, Preeti ; Suman Reddy, Y. ; Vankar, Yashwant D. (2010) Synthesis of fused oxa-aza spiro sugars from D-glucose-derived δ-lactone as glycosidase inhibitors European Journal of Organic Chemistry, 2010 (36). pp. 6957-6966. ISSN 1434-193X Kokatla, Hari Prasad ; Lahiri, Rima ; Kancharla, Pavan K. ; Doddi, Venkata Ramana ; Vankar, Yashwant D. (2010) Synthesis of (−)-deoxoprosophylline, (+)-2-epi-deoxoprosopinine, and (2R,3R)- and (2R,3S)-3-hydroxypipecolic acids from D-glycals Journal of Organic Chemistry, 75 (13). pp. 4608-4611. ISSN 0022-3263 Kumar, Amit ; Alam, Mohammed Abrar ; Rani, Shikha ; Vankar, Yashwant D. (2010) Synthesis of 1,4-dideoxy-1,4-iminoheptitol and 1,5-dideoxy-1,5-iminooctitols from D-xylose Carbohydrate Research, 345 (9). pp. 1142-1148. ISSN 0008-6215 John Pal, A. P. ; Vankar, Yashwant D. (2010) Azidation of anomeric nitro sugars: application in the synthesis of spiroaminals as glycosidase inhibitors Tetrahedron Letters, 51 (18). pp. 2519-2524. ISSN 0040-4039 Kancharla, Pavan K. ; Doddi, Venkata Ramana ; Kokatla, Hariprasad ; Vankar, Yashwant D. (2009) A concise route to (-)-shikimic acid and (-)-5-epi-shikimic acid, and their enantiomers via Barbier reaction and ring-closing metathesis Tetrahedron Letters, 50 (50). pp. 6951-6954. ISSN 0040-4039 Suman Reddy, Y. ; Kadigachalam, P. ; Doddi, Venkata Ramana ; Vankar, Yashwant D. (2009) Intramolecular ketonitrone-olefin cycloaddition reaction: direct and stereocontrolled synthesis of nitrogenated quaternary centered aminocyclopentitols as galactosidase inhibitors Tetrahedron Letters, 50 (42). pp. 5827-5830. ISSN 0040-4039 Gupta, Preeti ; Vankar, Yashwant D. (2009) Facile aza-Claisen rearrangement of glycals: application in the synthesis of 1-deoxy-L-iminosugars European Journal of Organic Chemistry, 2009 (12). pp. 1925-1933. ISSN 1434-193X Doddi, Venkata Ramana ; Kancharla, Pavan K. ; Suman Reddy, Y. ; Kumar, Amit ; Vankar, Yashwant D. (2009) Synthesis of fused pyran-carbahexopyranoses as glycosidase inhibitors Carbohydrate Research, 344 (5). pp. 606-612. ISSN 0008-6215 Kumari, Nitee ; Gopal Reddy, B. ; Vankar, Yashwant D. (2009) Efficient and stereodivergent syntheses of D- and L-fagomines and their analogues European Journal of Organic Chemistry, 2009 (1). pp. 160-169. ISSN 1434-193X Rawal, Girish K. ; Rani, Shikha ; Kumari, Nitee ; Vankar, Yashwant D. (2009) Regio- and stereocontrolled selective debenzylation and substitution reactions of C-2 formyl glycals. Application in the synthesis of constrained β-sugar amino acids Journal of Organic Chemistry, 74 (15). pp. 5349-5355. ISSN 0022-3263 Kumari, Nitee ; Vankar, Yashwant D. (2009) Synthesis and glycosidase-inhibitory activity of novel polyhydroxylated quinolizidines derived from D-glycals Organic and Biomolecular Chemistry, 7 (10). pp. 2104-2109. ISSN 1477-0520 Doddi, Venkata Ramana ; Kokatla, Hari Prasad ; John Pal, A. P. ; Basak, Ranjan K. ; Vankar, Yashwant D. (2008) Synthesis of hybrids of D-glucose and D-galactose with pyrrolidine-based iminosugars as glycosidase inhibitors European Journal of Organic Chemistry, 2008 (34). pp. 5731-5739. ISSN 1434-193X Alam, Mohammad Abrar ; Kumar, Amit ; Vankar, Yashwant D. (2008) Total synthesis of L-(+)-Swainsonine and other indolizidine azasugars from D-glucose European Journal of Organic Chemistry, 2008 (29). pp. 4972-4980. ISSN 1434-193X Doddi, Venkata Ramana ; Kumar, Amit ; Vankar, Yashwant D. (2008) Stereoselective synthesis of muco-quercitol, (+)-gala-quercitol and 5-amino-5-deoxy-D-vibo-quercitol from D-mannitol Tetrahedron, 64 (38). pp. 9117-9122. ISSN 0040-4020 Alam, Mohammad Abrar ; Vankar, Yashwant D. (2008) Total synthesis of (+)-lentiginosine from D-glucose Tetrahedron Letters, 49 (38). pp. 5534-5536. ISSN 0040-4039 Schmidt, Richard R. ; Vankar, Yashwant D. (2008) 2-Nitroglycals as powerful glycosyl donors: application in the synthesis of biologically important molecules Accounts of Chemical Research, 41 (8). pp. 1059-1073. ISSN 0001-4842 Kokatla, Hari Prasad ; Sagar, Ram ; Vankar, Yashwant D. (2008) Stereoselective synthesis of safingol and its natural stereoisomer from D-glycals Tetrahedron Letters, 49 (32). pp. 4728-4730. ISSN 0040-4039 Kumar, Amit ; Doddi, Venkata Ramana ; Vankar, Yashwant D. (2008) Mild and efficient chemoselective deprotection of anomeric O-methyl glycosides with trityl tetrafluoroborate Journal of Organic Chemistry, 73 (15). pp. 5993-5995. ISSN 0022-3263 Kumar, Amit ; Rawal, Girish K. ; Vankar, Yashwant D. (2008) Synthesis of hybrids of D-glucose and D-galactose with 1-deoxynojirimycin analogues using ring-closing metathesis Tetrahedron, 64 (10). pp. 2379-2390. ISSN 0040-4020 Gupta, Preeti ; Kumari, Nitee ; Agarwal, Aditi ; Vankar, Yashwant D. (2008) HClO4.SiO2 catalysed synthesis of alkyl 3-deoxy-hex-2-enopyranosides from 2-hydroxy glucal ester: application in the synthesis of a cis-fused bicyclic ether and a 4-amino-C-glucoside Organic and Biomolecular Chemistry, 6 (21). pp. 3948-3956. ISSN 1477-0520 Rawal, Girish K. ; Kumar, Amit ; Tawar, Urmila ; Vankar, Yashwant D. (2007) New method for chloroamidation of olefins. Application in the synthesis of N-glycopeptides and anticancer agents Organic Letters, 9 (25). pp. 5171-5174. ISSN 1523-7060 Doddi, Venkata Ramana ; Vankar, Yashwant D. (2007) Synthesis of pyrrolidine-based imino sugars as glycosidase inhibitors European Journal of Organic Chemistry, 2007 (33). pp. 5583-5589. ISSN 1434-193X Rawal, Girish K. ; Rani, Shikha ; Madhusudanan, K. P. ; Vankar, Yashwant D. (2007) Conversion of glycals to 1-azido-2-iodo sugars using N-iodosuccinimide/sodium- azide or potassium iodide/oxone reagent systems: application in the synthesis of methyl N-acetyl-α-D-lividosaminide Synthesis, 2007 (2). pp. 294-298. ISSN 0039-7881 Rawal, Girish K. ; Rani, Shikha ; Kumar, Amit ; Vankar, Yashwant D. (2006) Nafion-H mediated selective deprotection of terminal isopropylidene acetals and trityl ethers. Application in the synthesis of a substituted piperidone Tetrahedron Letters, 47 (51). pp. 9117-9120. ISSN 0040-4039 Brar, Anita ; Vankar, Yashwant D. (2006) Synthesis of chiral non-proteinogenic 4,5-dihydroxytetrahydropyran derived α-amino acids from D-mannitol Tetrahedron Letters, 47 (51). pp. 9035-9038. ISSN 0040-4039 Jayakanthan, K. ; Vankar, Yashwant D. (2006) Hybrid sugars as glycosidase inhibitors en route to 2-deoxy-2-amino C-glycosyl amino acids Tetrahedron Letters, 47 (49). pp. 8667-8671. ISSN 0040-4039 Brar, Anita ; Vankar, Yashwant D. (2006) A one-pot selective deprotective acetylation of benzyl ethers and OTBDMS ethers using the BF3·Et2O-NaI-Ac2O reagent system Tetrahedron Letters, 47 (29). pp. 5207-5210. ISSN 0040-4039 Jayakanthan, K. ; Vankar, Yashwant D. (2005) Glycosyl trichloroacetylcarbamate: a new glycosyl donor for O-glycosylation Carbohydrate Research, 340 (17). pp. 2688-2692. ISSN 0008-6215 Jayakanthan, K. ; Vankar, Yashwant D. (2005) Synthesis of conformationally constrained C-glycosyl α- and β-amino acids and sugar-carbamino sugar hybrids via Diels-Alder reaction Organic Letters, 7 (24). pp. 5441-5444. ISSN 1523-7060 Agarwal, Aditi ; Vankar, Yashwant D. (2005) Selective deprotection of terminal isopropylidene acetals and trityl ethers using HClO4 supported on silica gel Carbohydrate Research, 340 (9). pp. 1661-1667. ISSN 0008-6215 Gopal Reddy, B. ; Vankar, Yashwant D. (2005) The synthesis of hybrids of D-galactose with 1-deoxynojirimycin analogues as glycosidase inhibitors Angewandte Chemie International Edition, 44 (13). pp. 2001-2004. ISSN 1433-7851 Babu, J. ; Khare, A. ; Vankar, Y. (2005) Bi(OTf)3 and SiO2-Bi(OTf)3 as effective catalysts for the Ferrier rearrangement Molecules, 10 (8). pp. 884-892. ISSN 1420-3049 Agarwal, Aditi ; Rani, Shikha ; Vankar, Yashwant D. (2004) Protic acid (HClO4 supported on silica gel)-mediated synthesis of 2,3-unsaturated-O-glucosides and a chiral furan diol from 2,3-glycals Journal of Organic Chemistry, 69 (18). pp. 6137-6140. ISSN 0022-3263 Gopal Reddy, B. ; Madhusudanan, K. P. ; Vankar, Yashwant D. (2004) Trimethylsilylnitrate-trimethylsilyl azide: a novel reagent system for the synthesis of 2-deoxyglycosyl azides from glycals. Application in the synthesis of 2-deoxy-β-N-glycopeptides Journal of Organic Chemistry, 69 (7). pp. 2630-2633. ISSN 0022-3263 Jayakanthan, K. ; Madhusudanan, K. P. ; Vankar, Yashwant D. (2004) NaNO2-Ceric ammonium nitrate mediated conversion of acrylic esters and Baylis-Hillman derived acrylic esters into corresponding β-nitro acrylic esters Tetrahedron, 60 (2). pp. 397-403. ISSN 0040-4020 Gopal Reddy, B. ; Vankar, Yashwant D. (2004) Trimethylsilylnitrate: a useful reagent for direct synthesis of 2-deoxy-O-glycosides from glycals ARKIVOC . pp. 12-19. ISSN 1424-6376 Rani, Shikha ; Agarwal, Aditi ; Vankar, Yashwant D. (2003) LaCl3·7H2O/NaI/benzyl alcohol: a novel reagent system for regioselective hydration of glycals: application in the synthesis of 1,6-dideoxynojirimycin Tetrahedron Letters, 44 (27). pp. 5001-5004. ISSN 0040-4039 Gopal Reddy, B. ; Vankar, Yashwant D. (2003) A convenient synthesis of methyl N-acetyl-α-D-lividosaminide from D-glucal Tetrahedron Letters, 44 (25). pp. 4765-4767. ISSN 0040-4039 Rani, Shikha ; Vankar, Yashwant D. (2003) An efficient one step dihydroxylation of 1,2-glycals with oxone in acetone Tetrahedron Letters, 44 (5). pp. 907-909. ISSN 0040-4039 Rani, Shikha ; Lokesh Babu, J. ; Vankar, Yashwant D. (2003) Selective deprotection of tert-butyldimethylsilyl ethers using Nafion-H®/sodium iodide (or bromodimethylsulfonium bromide) in methanol Synthetic Communications, 33 (23). pp. 4043-4052. ISSN 0039-7911 Pachamuthu, Kandasamy ; Gupta, Anuradha ; Das, Jagattaran ; Schmidt, Richard R. ; Vankar, Yashwant D. (2002) An easy route to 2-amino-β-C-glycosides by conjugate addition to 2-nitroglycals European Journal of Organic Chemistry, 2002 (9). pp. 1479-1483. ISSN 1434-193X Kumareswaran, R. ; Shahi, Shatrughan P. ; Rani, Shikha ; Gupta, Anshu ; Madhusudanan, K. P. ; Vankar, Yashwant D. (2002) Ytterbium triflate (and trimethylsilyl triflate) catalyzed isomerization of glycidic esters to α-hydroxy-β,γ-unsaturated esters and their conversion into cyclopentanoids using Johnson-Claisen rearrangement ARKIVOC . pp. 126-135. ISSN 1424-6376 Pachamuthu, Kandasamy ; Vankar, Yashwant D. (2001) Ceric ammonium nitrate-catalyzed tetrahydropyranylation of alcohols and synthesis of 2-deoxy-O-glycosides Journal of Organic Chemistry, 66 (22). pp. 7511-7513. ISSN 0022-3263 Kumareswaran, R ; Gopal Reddy, B. ; Vankar, Y. D. (2001) Nafion-H-catalyzed Mukaiyama aldol condensations and hetero Diels-Alder reactions using aldehydes and imines. Part 15: General synthetic methods Tetrahedron Letters, 42 (42). pp. 7493-7495. ISSN 0040-4039 Pachamuthu, Kandasamy ; Vankar, Yashwant D. (2001) Synthesis of (-)-coniine and (-)-pipecoline using ruthenium catalyzed ring closing metathesis Journal of Organometallic Chemistry, 624 (1-2). pp. 359-363. ISSN 0022-328X Gopal Reddy, B. ; Kumareswaran, R. ; Vankar, Y. D. (2000) Indium trichloride: a useful catalyst for ionic Diels-Alder reactions Tetrahedron Letters, 41 (52). pp. 10333-10336. ISSN 0040-4039 Gupta, Anuradha ; Vankar, Yashwant D. (2000) Synthesis of C-2 methylene O- and C-glycosides and sugar derived α-methylene-δ-valerolactones from C-2-acetoxymethyl glycals Tetrahedron, 56 (43). pp. 8525-8531. ISSN 0040-4020 Surya Prakash, G. K. ; Tongco, Emily C. ; Mathew, Thomas ; Vankar, Yashwant D. ; Olah, George A. (2000) Preparation of 3-trifluoromethyl-2-cycloalkenones by the oxidative rearrangement of trifluoromethylated tertiary allylic alcohols with pyridinium chlorochromate Journal of Fluorine Chemistry, 101 (2). pp. 199-202. ISSN 0022-1139 Vankar, Yashwant D. ; Schmidt, Richard R. (2000) Chemistry of glycosphingolipids-carbohydrate molecules of biological significance Chemical Society Reviews, 29 (3). pp. 201-216. ISSN 0306-0012 Shahi, Shatrughan P. ; Gupta, Anuradha ; Pitre, Sangeeta V. ; Venkat Ram Reddy, M. ; Kumareswaran, R. ; Vankar, Yashwant D. (1999) Trimethylsilylnitrate-chromium trioxide and trimethylsilylnitrate-DMSO: novel reagent systems for one step conversion of olefins into α-nitro ketones and cyclic ethers into lactones Journal of Organic Chemistry, 64 (12). pp. 4509-4511. ISSN 0022-3263 Gupta, Anuradha ; Vankar, Yashwant D. (1999) Zeolite (H-ZSM 5) catalysed regio and stereoselective reduction of 2,3-epoxy alcohols to 1,2-diols and vinylic epoxides to homoallylic alcohols with sodium cyanoborohydride Tetrahedron Letters, 40 (7). pp. 1369-1372. ISSN 0040-4039 Kumareswaran, R. ; Vankar, Padma S. ; Venkat Ram Reddy, M. ; Pitre, Sangeeta V. ; Roy, Raja ; Vankar, Yashwant D. (1999) Studies in Lewis acid and LiClO4 (or Nafion-H) catalysed ionic Diels-Alder reactions of chiral and achiral olefinic acetals respectively Tetrahedron, 55 (4). pp. 1099-1110. ISSN 0040-4020 Hachoumy, Mohammed ; Mathew, Thomas ; Tongco, Emily C. ; Vankar, Yashwant D. ; Surya Prakash, G. K. (1999) Nafion-H catalyzed isomerization of glycidic to α-hydroxy-β,γ-unsaturated esters: application in the synthesis of a trifluoromethylated vinylic epoxide Synlett, 1999 (3). pp. 363-365. ISSN 0936-5214 Shahi, Shatrughan P. ; Vankar, Yashwant D. (1999) Nef reaction of benzylic and secondary nitro compounds using bis(Trimethylsilyl)peroxide Synthetic Communications, 29 (24). pp. 4321-4325. ISSN 0039-7911 Pachamuthu, Kandaswamy ; Vankar, Yashwant D. (1998) Palladium catalysed regio and stereoselective reduction of Baylis-Hillman coupling products derived allylic acetates Tetrahedron Letters, 39 (30). pp. 5439-5442. ISSN 0040-4039 Vankar, Padma S. ; Venkat Ram Reddy, M. ; Vankar, Yashwant D. (1998) Applications of trimethylsilyl halides-oxidants combinations in organic synthesis: a review Organic Preparations and Procedures International, 30 (4). pp. 373-400. ISSN 0030-4948 Kumareswaran, R. ; Vankar, Yashwant D. (1998) Palladium catalysed reactions of Baylis-Hillman products: synthesis of some useful intermediates Synthetic Communications, 28 (12). pp. 2291-2302. ISSN 0039-7911 Kumareswaran, R. ; Vankar, Yashwant D. (1997) Palladium catalysed allylic substitution via in situ activation of allylic alcohols Tetrahedron Letters, 38 (48). pp. 8421-8424. ISSN 0040-4039 Olah, George A. ; Burrichter, Arwed ; Methew, Thomas ; Vankar, Yashwant D. ; Rasul, Golam ; Surya Prakash, G. K. (1997) Preparation, NMR, and Ab initio/IGLO/GIAO-MP2 study of the elusive protonated fluroformic acid and fluorocarbonyl cation Angewandte Chemie (English Edition), 36 (17). pp. 1875-1877. ISSN 0570-0833 Pitre, S. V. ; Reddy, M. V. R. ; Vankar, Y. D. ; Madhusudanan, K. P. (1997) Acetoxyselenation of olefins with selenium dioxide-acetic anhydride reagent system Synthetic Communications, 27 (2). pp. 267-276. ISSN 0039-7911 Kumareswaran, R. ; Gupta, Anuradha ; Vankar, Yashwant D. (1997) Chlorotrimethylsilane catalysed acylation of alcohols Synthetic Communications, 27 (2). pp. 277-282. ISSN 0039-7911 Pitre, Sangeeta V. ; Venkat Ram Reddy, M. ; Vankar, Yashwant D. (1997) Zeolite H-ZSM 5 catalysed oxidation of alcohols with chromium trioxide. Part 9. General synthetic methods Journal of Chemical Research, 1997 (12). pp. 462-463. ISSN 0308-2342 Pitre, Sangeeta V. ; Vankar, Padma S. ; Vankar, Yashwant D. (1996) Palladium catalysed conversion of vinyl bromo allylic alcohols into vinylic carbonyl compounds and oxidation of secondary alcohols to ketones Tetrahedron, 52 (37). pp. 12291-12298. ISSN 0040-4020 Vankar, Padma S. ; Bhattacharya, Indrani ; Vankar, Yashwant D. (1996) Asymmetric synthesis of chiral vinylic epoxides and α-hydroxy-β,γ-unsaturated esters via (-)-menthol based auxiliary and enzymatic resolution respectively Tetrahedron: Asymmetry, 7 (6). pp. 1683-1694. ISSN 0957-4166 Gupta, Anuradha ; Haque, Azizul ; Vankar, Yashwant D. (1996) Zeolite (H-ZSM 5)-catalysed reduction of conjugated nitroalkenes with sodium cyanoborohydride Chemical Communications, 1996 (14). pp. 1653-1654. ISSN 1359-7345 Venkat Ram Reddy, M. ; Pitre, Sangeeta V. ; Bhattacharya, Indrani ; Vankar, Yashwant D. (1996) Zeolite (H-ZSM5) catalysed regioselective isomerisation of glycidic esters to α-hydroxy-β,γ- unsaturated esters -unsaturated esters Synlett, 1996 (3). pp. 241-242. ISSN 0936-5214 Venkat Ram Reddy, M. ; Kumareswaran, R. ; Vankar, Yashwant D. (1995) A novel one pot synthesis of α-nitroketones from olefins using trimethylsilylnitrate-chromium trioxide reagent system Tetrahedron Letters, 36 (39). pp. 7149-7152. ISSN 0040-4039 Venkat Ram Reddy, M. ; Kumareswaran, R. ; Vankar, Yashwant D. (1995) A one step conversion of olefins into α-Azidoketones using azidotrimethylsilane-chromium trioxide reagent system Tetrahedron Letters, 36 (37). pp. 6751-6754. ISSN 0040-4039 Venkat Ram Reddy, M. ; Mehrotra, Bharat ; Vankar, Yashwant D. (1995) A novel one pot nitroacetamidation of olefins using ceric ammonium nitrate-sodium nitrite-acetonitrile reagent system Tetrahedron Letters, 36 (27). pp. 4861-4864. ISSN 0040-4039 Vankar, Yashwant D. ; Kumaravel, G. ; Bhattacharya, Indrani ; Vankar, Padma S. ; Kaur, Kamaljit (1995) Reactions of 2-phenylthio-2-cycloalkenones and 2-[phenyl(thiomethyl)]-2-cycloalkenones: synthesis of some useful chiral and achiral intermediates Tetrahedron, 51 (16). pp. 4829-4840. ISSN 0040-4020 Vankar, Yashwant D. ; Venkatram Reddy, M. ; Chaudhuri, Narayan C. (1994) Chiral acetals in organic synthesis: regioselective synthesis of 2-and 3-hydroxy acetals from 2,3-olefinic acetals. Reinvestigation and further applications Tetrahedron, 50 (37). pp. 11057-11078. ISSN 0040-4020 Bhattacharya, Indrani ; Shah, Kavita ; Vankar, Padma S. ; Vankar, Yashwant D. (1993) A convenient synthesis of vinyl epoxides from glycidic esters via α-hydroxy-β,γ-unsaturated esters Synthetic Communications, 23 (17). pp. 2405-2414. ISSN 0039-7911 Vankar, Yashwant D. ; Shah, Kavita ; Bawa, Anita ; Singh, Surendra P. (1991) Chemistry of α-nitroepoxides: synthesis of useful intermediates via nucleophilic ring opening of α-nitroepoxides Tetrahedron, 47 (42). pp. 8883-8906. ISSN 0040-4020 Vankar, Yashwant D. ; Bava, Anita ; Kumaravel, G. (1991) Reaction of 2-nitro and 3-nitro-2-cyclohexenone acetals: preparation of useful intermediates Tetrahedron, 47 (10-11). pp. 2027-2040. ISSN 0040-4020 Vankar, Yashwant D. ; Shah, Kavita (1991) A facile conversion of tetrahydropyranyl ethers to the corresponding bromides and iodides Tetrahedron Letters, 32 (8). pp. 1081-1084. ISSN 0040-4039 Vankar, Yashwant D. ; Chaudhuri, Narayan C. (1991) Synthesis of functionalised bicyclic α-methylene-γ-butyrolactones from 2, 3-cyclohexene acetal via radical cyclisation approach Synthetic Communications, 21 (7). pp. 885-899. ISSN 0039-7911 Vankar, Y. D. ; Vankar, P. S. ; Behrendt, M. ; Schmidt, R. R. (1991) Synthesis of β-O-glycosides using enol ether and imidate derived leaving groups: emphasis on the use of nitriles as a solvent Tetrahedron, 47 (48). pp. 9985-9992. ISSN 0040-4020 Wenkert, Ernest ; Guo, Ming ; Pestchanker, Mauricio J. ; Shi, Yao Jun ; Vankar, Yashwant D. (1989) Preparation and H(3) isomerization of C(15)-substituted deplancheine derivatives. Synthesis of geissoschizol and geissoschizine Journal of Organic Chemistry, 54 (5). pp. 1166-1174. ISSN 0022-3263 Vankar, Y. D. ; Kumaravela, G. ; Rao, C. T. (1989) Ritter reaction with cyclopropyl ketones and cyclopropyl alcohols: synthesis of N-actyl-γ-Keto and N-acyl hohoallyl amines Synthetic Communications, 19 (11-12). pp. 2181-2198. ISSN 0039-7911 Vankar, Yashwant D. ; Saksena, Rajendra K. ; Bawa, Anita (1989) A facile conversion of α-nitroepoxides into 1,2-diones and α-iodoketones Chemistry Letters, 18 (7). pp. 1241-1244. ISSN 0366-7022 Vankar, Yashwant D. ; Chaudhuri, Narayan C. ; Trinadha Rao, C. (1987) Regioselective reductions of 2,3-epoxy acetals with zinc-chlorotrimethylsilane and lithium aluminium hydride: convenient synthesis of 1,2 and 1,3-diones Tetrahedron Letters, 28 (5). pp. 551-554. ISSN 0040-4039 Vankar, Yashwant D. ; Kumaravel, G. ; Mukherjee, Neeta ; Trinadha Rao, C. (1987) Sodium iodide-chlorotrimethylsilane (or boron trifluo-ride etherate) and zinc-chlorotrimethylsilane: mild reagent systems for the conversion of enediones into 1,4-diketones Synthetic Communications, 17 (2). pp. 181-187. ISSN 0039-7911 Wenkert, Ernest ; Charles Angell, E. ; Drexler, Josef ; Moeller, Peter D. R. ; Pyrek, Jan St. ; Shi, Yao Jun ; Sultana, Mumtaz ; Vankar, Yashwant D. (1986) Carbon-carbon bond-forming additions to 1-alkyl-3-acylpyridinium salts Journal of Organic Chemistry, 51 (15). pp. 2995-3000. ISSN 0022-3263 Vankar, Yashwant D. ; Chaudhuri, Narayan C. ; Singh, Surendra P. (1986) Palladium(O) catalysed isomerisation of 2,3-epoxy alcohols to α and β-hydroxy ketones Synthetic Communications, 16 (13). pp. 1621-1626. ISSN 0039-7911 Vankar, Yashwant D. ; Trinadha Rao, C. (1985) Reaction of sulfoxides with nitriles in presence of trifluoracetic anhydride and trifluoroacetic acid: a case of Ritter reaction on pummerer intermediate Tetrahedron, 41 (16). pp. 3405-3410. ISSN 0040-4020 Vankar, Yashwant D. ; Trinadha Rao, C. (1985) Sodium iodide/boron trifluoride etherate: a mild reagent system for the conversion of allylic and benzylic alcohols into corresponding iodides and sulfoxides into sulfides Tetrahedron Letters, 26 (22). pp. 2717-2720. ISSN 0040-4039 Vankar, Yashwant D. ; Bawa, Anita (1985) A simple synthesis of 3-nitrocycloalkenones and their acetals Synthetic Communications, 15 (14). pp. 1253-1256. ISSN 0039-7911 Vankar, Yashwant D. ; Kumaravel, G. (1984) N-chlorosuccinimide/sodium iodide: a convenient source of N-iodosuccinimide. Synthesis of α-iodo carbonyl compounds and trans-1,2-iodoacetates Tetrahedron Letters, 25 (2). pp. 233-236. ISSN 0040-4039 Vankar, Yashwant D. ; Arya, Padmashree S. ; Trinadha Rao, C. (1983) 2Inc/chlorotrimethns ilane: a mild reducing system for the conversion of epoxides into alcohols Synthetic Communications, 13 (10). pp. 869-872. ISSN 0039-7911 Wenkert, Ernest ; Pyrek, Jan S. ; Uesato, Shinichi ; Vankar , Yashwant D. (1982) A synthesis of (.+-.)-yohimbine Journal of the American Chemical Society, 104 (8). pp. 2244-2246. ISSN 0002-7863 Keshavamurthy, K. S. ; Vankar, Y. D. ; Dhar, D. N. (1982) Preparation of acid anhydrides, amides, and esters using chlorosulfonyl isocyanate as a dehydrating agent Synthesis, 1982 (6). pp. 506-508. ISSN 0039-7881 Wenkert, Ernest ; Vankar, Yashwant D. ; Yadav, Jhillu S. (1980) Short syntheses of hirsutine and geissoschizine Journal of the American Chemical Society, 102 (27). pp. 7971-7972. ISSN 0002-7863 Olah, George A. ; Arvanaghi, Massoud ; Vankar, Yashwant D. (1980) Synthetic methods and reactions. 85. Reduction of .alpha.-halo ketones with sodium iodide/chlorotrimethylsilane Journal of Organic Chemistry, 45 (17). pp. 3531-3532. ISSN 0022-3263 Olah, George A. ; Arvanaghi, Massoud ; Vankar, Yashwant D. ; Surya Prakash, G. K. (1980) Synthetic methods and reactions. Improved transformation of nitro compounds into carbonyl compounds by hydrogen peroxide/potassium carbonate Synthesis, 1980 (8). pp. 662-663. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Arvanaghi, Massoud (1980) Synthetic methods and reactions: dimethyl sulfoxide/chlorosulfonyl isocyanate: An extremely mild reagent for oxidation of alcohols to carbonyl compounds Synthesis, 1980 (2). pp. 141-142. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Berrier, Arthur L. (1980) Synthetic methods and reactions: mild fragmentative C-C bond cleavage of α -hydroxyketoximes with trifluoromethanesulfonic anhydride, trifluoroacetic anhydride, or trifluoromethanesulfonyl Chloride Synthesis, 1980 (1). pp. 45-46. ISSN 0039-7881 Olah, George A. ; Welch, John T. ; Vankar, Yashwant D. ; Nojima, Mosatomo ; Kerekes, Istvan ; Olah, Judith A. (1979) Synthetic methods and reactions. 63. Pyridinium poly(hydrogen fluoride) (30% pyridine-70% hydrogen fluoride): a convenient reagent for organic fluorination reactions Journal of Organic Chemistry, 44 (22). pp. 3872-3881. ISSN 0022-3263 Olah, George A. ; Vankar, Yashwant D. ; Arvanaghi, Massoud ; Sommer, Jean (1979) Formic anhydride Angewandte Chemie International Edition, 18 (8). p. 614. ISSN 1433-7851 Olah, George A. ; Vankar, Yashwant D. ; Arvanaghi, Massoud (1979) Synthetic methods and reactions: deoxygenation of sulfoxides with sodium iodide/iodine/trimethyl(ethyl)amine/Sulfur dioxide or sodium iodide/pyridine/sulfur trioxide complexes Synthesis, 1979 (12). pp. 984-985. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Arvanaghi, Massoud ; Surya Prakash, G. K. (1979) Synthetic methods and reactions: dethioacetalization with bromodimethylsulfonium bromide Synthesis, 1979 (9). pp. 720-721. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Balaram Gupta, B. G. (1979) Synthetic methods and reactions: novel conversion of primary aliphatic and arylaliphatic nitro compounds into nitriles with trimethyl(ethyl)amine/ Sulfur dioxide complexes or hexamethylphosphorous triamide Synthesis, 1979 (1). pp. 36-37. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Surya Prakash, G. K. (1979) Synthetic methods and reactions: oxidative cleavage of ketoximes and tosylhydrazones with aqueous bromine Synthesis, 1979 (2). pp. 113-114. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Fung, Alexander P. (1979) Synthetic methods and reactions: reduction of α with sodium iodide/trimethyl (ethyl)-amine/sulfur dioxide or pyridine/sulfur trioxide complexes -haloketones with sodium iodide/trimethyl (ethyl)-amine/ Sulfur dioxide or pyridine/sulfur trioxide complexes Synthesis, 1979 (1). pp. 59-61. ISSN 0039-7881 Olah, George A. ; Vankar, Yashwant D. ; Arvanaghi, Massoud (1979) Synthetic methods are reactions. 73. Conversion of epoxides and enamines into α-haloketones with halodimethylsulfonium halides Tetrahedron Letters, 20 (38). pp. 3653-3656. ISSN 0040-4039 Olah, George A. ; Vankar, Yashwant D. (1978) Synthetic methods and reactions: preparation of nitriles from aldoximes via dehydration with trimethylamine/sulfur dioxide complex Synthesis, 1978 (9). pp. 702-703. ISSN 0039-7881 |