Items where Author is "Chakraborty, T. K."

Article

Chakraborty, T. K. ; Suresh, V. R. (2010) ChemInform Abstract: Synthetic Studies Toward Potent Cytotoxic Agents Amphidinolides: Synthesis of the C1-C18 Moiety of Amphidinolides G, H, and L. ChemInform, 30 (9). p. no. ISSN 09317597

Chakraborty, T. K. ; Das, Sanjib (2010) ChemInform Abstract: Synthetic Studies Toward Potent Cytotoxic Agents Amphidinolides: Synthesis of the C1-C6 and C9-C17 Moieties of Amphidinolides O and P. ChemInform, 31 (22). p. no. ISSN 09317597

Chakraborty, T. K. ; Uday Kumar, S. ; Krishna Mohan, B. ; Dattatreya Sarma, G. ; Udaya Kiran, M. ; Jagadeesh, B. (2007) Synthesis and conformational studies of 3,4-di-O-acylated furanoid sugar amino acid-containing analogs of the receptor binding inhibitor of vasoactive intestinal peptide Tetrahedron Letters, 48 (39). pp. 6945-6950. ISSN 0040-4039

Prasad, S. ; Mathur, A. ; Jaggi, M. ; Sharma, R. ; Gupta, N. ; Reddy, V. R. ; Sudhakar, G. ; Kumar, S. U. ; Kumar, S. K. ; Kunwar, A. C. ; Chakraborty, T. K. (2005) Furanoid sugar amino acids as dipeptide mimics in design of analogs of vasoactive intestinal peptide receptor binding inhibitor The Journal of Peptide Research, 66 (2). pp. 75-84. ISSN 1397-002X

Chakraborty, T. K. ; Ghosh, Subhash ; Ramana Rao, M. H. V. ; Kunwar, A. C. (2005) Conformational studies of C₂ symmetric peptidomimetics based on 2,5-anhydro sugar diacid and 2,5-anhydro sugar diamine scaffolds Arkivoc, 2005 (xi). pp. 89-101. ISSN 1424-6376

Chakraborty, T. K. ; Srinivasu, P. ; Vengal Rao, R. ; Kiran Kumar, S. ; Kunwar, A. C. (2004) Conformational studies of peptides containing cis-3-hydroxy-D-proline Journal of Organic Chemistry, 69 (21). pp. 7399-7402. ISSN 0022-3263

Chakraborty, T. K. ; Krishna Mohan, B. ; Uday Kumar, S. ; Prabhakar, A. ; Jagadeesh, B. (2004) Synthesis of 3,4-di-O-acylated glucose-derived furanoid sugar amino acids (Gaa): conformational analysis of a Leu-enkephalin analog containing di-O-myristoylated Gaa Tetrahedron Letters, 45 (29). pp. 5623-5627. ISSN 0040-4039

Chakraborty, T. K. ; Srinivasu, P. ; Bikshapathy, E. ; Nagaraj, R. ; Vairamani, M. ; Kiran Kumar, S. ; Kunwar, A. C. (2003) Cyclic homooligomers of furanoid sugar amino acids Journal of Organic Chemistry, 68 (16). pp. 6257-6263. ISSN 0022-3263

Chakraborty, T. K. ; Srinivasu, P. ; Kiran Kumar, S. ; Kunwar, A. C. (2002) Studies on novel peptidomimetics having bi-directional dispositions of hydroxylated D-Pro-Gly motifs anchored on a C₂-symmetric iminosugar-based foundation Journal of Organic Chemistry, 67 (7). pp. 2093-2100. ISSN 0022-3263

Chakraborty, T. K. ; Jayaprakash, S. ; Srinivasu, P. ; Madhavendra, S. S. ; Ravi Sankar, A. ; Kunwar, A. C. (2002) Furanoid sugar amino acid based peptidomimetics: well-defined solution conformations to gel-like structures Tetrahedron, 58 (14). pp. 2853-2859. ISSN 0040-4020

Chakraborty, T. K. ; Ghosh, S. ; Jayaprakash, S. ; Sharma, J. A. R. P. ; Ravikanth, V. ; Diwan, P. V. ; Nagaraj, R. ; Kunwar, A. C. (2001) ChemInform Abstract: Synthesis and Conformational Studies of Peptidomimetics Containing Furanoid Sugar Amino Acids and a Sugar Diacid. ChemInform, 32 (6). p. no. ISSN 09317597

Chakraborty, T. K. ; Ghosh, Subhash ; Ramana Rao, M. H. V. ; Kunwar, A. C. ; Cho, H. ; Ghosh, A. K. (2000) 2,5-anhydro sugar diacid and 2,5-anhydro sugar diamine based C₂ symmetric peptidomimetics as potential HIV-1 protease inhibitors Tetrahedron Letters, 41 (51). pp. 10121-10125. ISSN 0040-4039

Chakraborty, T. K. ; Jayaprakash, S. ; Srinivasu, P. ; Govardhana Chary, M. ; Diwan, P. V. ; Nagaraj, R. ; Ravi Sankar, A. ; Kunwar, A. C. (2000) Synthesis and structural studies of oligomers of 6-amino-2,5-anhydro-6-deoxy-D-mannonic acid Tetrahedron Letters, 41 (42). pp. 8167-8171. ISSN 0040-4039

Chakraborty, T. K. ; Ghosh, S. ; Jayaprakash, S. ; Sharma, J. A. R. P. ; Ravikanth, V. ; Diwan, P. V. ; Nagaraj, R. ; Kunwar, A. C. (2000) Synthesis and conformational studies of peptidomimetics containing furanoid sugar amino acids and a sugar diacid Journal of Organic Chemistry, 65 (20). pp. 6441-6457. ISSN 0022-3263

Chakraborty, T. K. ; Das, Sanjib (2000) Synthetic Studies toward potent cytotoxic agents amphidinolides: synthesis of the C₁-C₆ and C₉-C₁₇ moieties of amphidinolides O and P Chemistry Letters, 29 (1). p. 80. ISSN 0366-7022

Chakraborty, T. K. (1999) Synthetic studies toward potent cytotoxic agent amphidinolide B: synthesis of the C₈-C₁₈ fragment Synlett, 1999 (1). pp. 150-152. ISSN 0936-5214

Chakraborty, T. K. ; Jayaprakash, S. ; Diwan, P. V. ; Nagaraj, R. ; Jampani, S. R. B. ; Kunwar, A. C. (1998) Folded conformation in peptides containing furanoid sugar amino acids Journal of the American Chemical Society, 120 (49). pp. 12962-12963. ISSN 0002-7863

Chakraborty, T. K. ; Suresh, V. R. (1998) Synthetic studies toward potent cytotoxic agents amphidinolides: synthesis of the C₁-C₁₈ moiety of amphidinolides G, H and L Tetrahedron Letters, 39 (49). pp. 9109-9112. ISSN 0040-4039

Chakraborty, T. K. ; Suresh, V. R. (1998) Synthetic studies toward potent cytotoxic agents amphidinolides G and H: synthesis of the entire C₁₅---C₂₆ moiety of the top half Tetrahedron Letters, 39 (42). pp. 7775-7778. ISSN 0040-4039

Chakraborty, T. K. ; Dutta, S. (1998) Radical-induced opening of trisubstituted epoxides: application in the synthesis of C₁-C₁₂ segment of epothilones Tetrahedron Letters, 39 (1-2). pp. 101-104. ISSN 0040-4039

Chakraborty, T. K. ; Jayaprakash, S. ; Diwan, P. V. ; Nagaraj, R. ; Jampani, S. R. B. ; Kunwar, A. C. (1998) Folded Conformation in Peptides Containing Furanoid Sugar Amino Acids J. Am. Chem. Soc. 1998, 120, 12962−12963 Journal of the American Chemical Society, 120 (51). pp. 13545-13546. ISSN 0002-7863

Chakraborty, T. K. ; Jayaprakash, S. (1997) Synthesis of 1,7-diamino-1,2,6,7-tetradeoxy-2,6-imino-D-glycero-D-ido-heptitol by intramolecular amination of aziridine ring Tetrahedron Letters, 38 (51). pp. 8899-8902. ISSN 0040-4039

Chakraborty, T. K. ; Dutta, S. (1997) Synthesis of a new c₂-symmetric molecule with dimeric hydroxyethylene isosteric moiety Synthetic Communications, 27 (23). pp. 4163-4172. ISSN 0039-7911

Chakraborty, T. K. ; Gangakhedkar, K. K. (1996) Stereoselective synthesis of hydroxyethylene dipeptide isostere from sugar Synthetic Communications, 26 (11). pp. 2045-2056. ISSN 0039-7911

Chakraborty, T. K. (1996) Studies directed towards the development of cyclic peptide-based analogs of macrolide immunosuppressants Pure and Applied Chemistry, 68 (3). pp. 565-568. ISSN 0033-4545

Chakraborty, T. K. ; Azhar Hussain, K. ; Thippeswamy, D. (1995) A simple strategy for the synthesis of hydroxyethylene dipeptide isostere from D-glucose Tetrahedron, 51 (13). pp. 3873-3880. ISSN 0040-4020

Chakraborty, T. K. ; Weber, H. P. ; Nicolaou, K. C. (1995) Design and synthesis of a rapamycin-based high affinity binding FKBP12 ligand Chemistry & Biology, 2 (3). pp. 157-161. ISSN 1074-5521

Rama Rao, A. V. ; Chakraborty, T. K. ; Laxma Reddy, K. ; Srinivasa Rao, A. (1994) An expeditious approach for the synthesis of β-hydroxy aryl α-amino acids present in vancomycin Tetrahedron Letters, 35 (28). pp. 5043-5046. ISSN 0040-4039

Nicolaou, K. C. ; Bertinato, P. ; Piscopio, A. D. ; Chakraborty, T. K. ; Minowa, N. (1993) Stereoselective construction of the C²¹-C⁴² fragment of rapamycin Journal of the Chemical Society, Chemical Communications (7). pp. 619-622. ISSN 0022-4936

Nicolaou, K. C. ; Chakraborty, T. K. ; Piscopio, A. D. ; Minowa, N. ; Bertinato, P. (1993) Total synthesis of rapamycin Journal of the American Chemical Society, 115 (10). pp. 4419-4420. ISSN 0002-7863

Piscopio, A. D. ; Minowa, N. ; Chakraborty, T. K. ; Koide, K. ; Bertinato, P. ; Nicolaou, K. C. (1993) A highly convergent strategy towards rapamycin. Stereoselective construction of the C⁸-C¹⁸ fragment Chemical Communications, 1993 (7). pp. 617-618. ISSN 1359-7345

Chakraborty, T. K. ; Venkat Reddy, G. (1992) Studies directed toward the synthesis of glycopeptide antibiotic teicoplanin: first synthesis of the N-terminal 14-membered ring Journal of Organic Chemistry, 57 (20). pp. 5462-5469. ISSN 0022-3263

Rama Rao, A. V. ; Chakraborty, T. K. ; Laxma Reddy, K. ; Srinivasa Rao, A. (1992) Ortho-nitro-promoted Ullmann ether synthesis: application in the syntheses of K-13 and the isodityrosine unit of vancomycin Tetrahedron Letters, 33 (33). pp. 4799-4802. ISSN 0040-4039

Rama Rao, A. V. ; Chakraborty, T. K. ; Joshi, Subodh P. (1992) The first synthesis of C-terminal biphenyl moiety of vancomycin Tetrahedron Letters, 33 (28). pp. 4045-4048. ISSN 0040-4039

Chakraborty, T. K. ; Reddy, G. V. ; Azhar Hussain, K. (1991) Diastereoselective strecker synthesis using α-phenylglycinol as chiral auxiliary Tetrahedron Letters, 32 (51). pp. 7597-7600. ISSN 0040-4039

Chakraborty, T. K. ; Gangakhedkar, Kiran Kumar (1991) Stereoselective synthesis of N-Boc-O-benzyl-(4S,5S)-5-amino-4-hydroxy-6-phenylhexanoic acid, the hydroxyethylene isosteric moiety of potent HIV-1 protease inhibitor Tetrahedron Letters, 32 (16). pp. 1897-1898. ISSN 0040-4039

Rama Rao, A. V. ; Chakraborty, T. K. ; Laxma Reddy, K. (1991) Studies directed towards the synthesis of immunosuppressive agent FK-506: synthesis of the entire bottom-half Tetrahedron Letters, 32 (9). pp. 1251-1254. ISSN 0040-4039

Chakraborty, T. K. ; Reddy, G. V. (1991) Studies directed towards the selective C-2 opening of 2,3-epoxy alcohols with azide ion Tetrahedron Letters, 32 (5). pp. 679-682. ISSN 0040-4039

Rama Rao, A.V. ; Chakraborty, T. K. ; Sankaranayanan, D. ; Purandare, A. V. (1991) Studies directed towards the synthesis of immunosuppressive agent FK-506: synthesis of the entire top-half Tetrahedron Letters, 32 (4). pp. 547-550. ISSN 0040-4039

Chakraborty, T. K. ; Singh, Bhim ; Gupta, S. P. (1990) A microprocessor-based firing control scheme for three-phase thyristor power converter Journal of Microcomputer Applications, 13 (4). pp. 361-369. ISSN 0745-7138

Chakraborty, T. K. ; Reddy, G. V. (1990) Regioselective ring opening of silyl epoxy alcohols with azide ion Tetrahedron Letters, 31 (9). pp. 1335-1338. ISSN 0040-4039

Rama Rao, A. V. ; Chakraborty, T. K. ; Purandare, A. V. (1990) Studies directed towards the synthesis of immunosuppressive agent FK 506 : synthesis of C-20 to C-27 moiety Tetrahedron Letters, 31 (10). pp. 1443-1446. ISSN 0040-4039

Rama Rao, A. V. ; Chakraborty, T. K. ; Laxma Reddy, T. K. (1990) Studies directed towards the synthesis of immunosuppressive agent FK-506: construction of the tricarbonyl moiety Tetrahedron Letters, 31 (10). pp. 1439-1442. ISSN 0040-4039

Chakraborty, T. K. ; Joshi, S. P. (1990) Total synthesis of N-phthaloyl adda methyl ester: all stereocenters originating from a single chiral epoxyalcohol Tetrahedron Letters, 31 (14). pp. 2043-2046. ISSN 0040-4039

Chakraborty, T. K. ; Reddy, G. V. (1989) Unusual o-alkylation with iodomethyltrimethylsilane Chemical Communications, 1989 (4). pp. 251-253. ISSN 1359-7345

Rama Rao, A. V. ; Murali Dhar, T. G. ; Bose, D. Subhas ; Chakraborty, T. K. ; Gurjar, M. K. (1989) A versatile protocol for β-hydroxy-α-amino acids: an application to (4R)-4-[(e)-2-butenyl]-4n-dimethyl-l-threonine (MeBmt) Tetrahedron, 45 (23). pp. 7361-7370. ISSN 0040-4020

Nicolaou, K. C. ; Chakraborty, T. K. ; Ogawa, Y. ; Daines, R. A. ; Simpkins, N. S. ; Furst, G. T. (1988) Chemistry of amphotericin B. Degradation studies and preparation of amphoteronolide B Journal of the American Chemical Society, 110 (14). pp. 4660-4672. ISSN 0002-7863

Nicolaou, Kyriacos C. ; Daines, R. A. ; Uenishi, J. ; Li, W. S. ; Papahatjis, D. P. ; Chakraborty, T. K. (1988) Total synthesis of amphoteronolide B and amphotericin B. 1. Strategy and stereocontrolled construction of key building blocks Journal of the American Chemical Society, 110 (14). pp. 4672-4685. ISSN 0002-7863

Nicolaou, Kyriacos C. ; Daines, R. A. ; Chakraborty, T. K. ; Ogawa, Y. (1988) Total synthesis of amphoteronolide B and amphotericin B. 2. Total synthesis of amphoteronolide B Journal of the American Chemical Society, 110 (14). pp. 4685-4696. ISSN 0002-7863

Nicolaou, Kyriacos C. ; Daines, R. A. ; Ogawa, Y. ; Chakraborty, T. K. (1988) Total synthesis of amphotericin B. 3. The final stages Journal of the American Chemical Society, 110 (14). pp. 4696-4705. ISSN 0002-7863

Rama Rao, A. V. ; Murali Dhar, T. G. ; Chakraborty, T. K. ; Gurjar, M. K. (1988) A stereospecific synthesis of (4R)-4-[(E)-2-butenyl]-4, N-dimethyl-L-threonine (MeBmt) Tetrahedron Letters, 29 (17). pp. 2069-2072. ISSN 0040-4039

Nicolaou, Kyriacos C. ; Daines, R. A. ; Uenishi, J. ; Li, W. S. ; Papahatjis, D. P. ; Chakraborty, T. K. (1987) Stereocontrolled construction of key building blocks for the total synthesis of amphoteronolide B and amphotericin B Journal of the American Chemical Society, 109 (7). pp. 2205-2208. ISSN 0002-7863

Nicolaou, K. C. ; Daines, R. A. ; Chakraborty, T. K. ; Ogawa, Y. (1987) Total synthesis of amphotericin B Journal of the American Chemical Society, 109 (9). pp. 2821-2822. ISSN 0002-7863

Nicolaou, Kyriacos C. ; Daines, R. A. ; Chakraborty, T. K. (1987) Total synthesis of amphoteronolide B Journal of the American Chemical Society, 109 (7). pp. 2208-2210. ISSN 0002-7863

Nicolaou, K. C. ; Chakraborty, T. K. ; Daines, R. A. ; Ogawa, Y. (1987) Amphoteronolide B methyl ester. Novel oxidative deglycosidation of amphotericin B Journal of the Chemical Society - Series Chemical Communications . pp. 686-689. ISSN 0022-4936

Nicolaou, Kyriacos C. ; Daines, R. A. ; Uenishi, J. ; Li, W. S. ; Papahatjis, D. P. ; Chakraborty, T. K. (1987) Stereocontrolled construction of key building blocks for the total synthesis of amphoteronolide B and amphotericin B Journal of the American Chemical Society, 109 (7). pp. 2205-2208. ISSN 0002-7863

Banerjee, R. K. ; Bose, A. K. ; Chakraborty, T. K. ; De, P. K. ; Datta, A. G. (1986) Iodide transport in isolated cells of mouse submaxillary gland Journal of Biosciences, 10 (3). pp. 303-309. ISSN 0250-5991

Nicolaou, K. C. ; Chakraborty, T. K. ; Daines, R. A. ; Simpkins, N. S. (1986) Retrosynthetic and synthetic chemistry on amphotericin B. Synthesis of C(1)-C(20) and C(21)-C(38) fragments and construction of the 38-membered macrocycle Journal of the Chemical Society, Chemical Communications (5). pp. 413-416. ISSN 0022-4936

Banerjee, R. K. ; Bose, A. K. ; Chakraborty, T. K. ; De, S. K. ; Datta, A. G. (1985) Peroxidase-catalysed iodotyrosine formation in dispersed cells of mouse extrathyroidal tissues Journal of Endocrinology, 106 . pp. 159-165. ISSN 0022-0795

Chandrasekaran, S. ; Chakraborty, T. K. (1984) Efficient transformation of (z̲)-2-butene-1,4-diols to α,β-butenolides: a simple synthesis of (±)-eldanolide Tetrahedron Letters, 25 (27). pp. 2891-2894. ISSN 0040-4039

Chakraborty, T. K. ; Chandrasekaran, S. (1984) A facile entry to bicyclic γ-lactones and a short synthesis of (±)-dihydroactinidiolide Tetrahedron Letters, 25 (27). pp. 2895-2896. ISSN 0040-4039

Chakraborty, T. K. ; Chandrasekaran, S. (1982) Facile oxidative cleavage of carbon-carbon multiple bonds with Chromium(V) reagent [(BiPy)H₂CrOCl₅] Organic Preparations and Procedures International, 14 (5). pp. 362-365. ISSN 0030-4948

Chakraborty, T. K. ; Chandrasekaran, S. (1980) Facile oxidation of aldehydes to carboxylic acids with chromium(V) reagents Synthetic Communications, 10 (12). pp. 951-956. ISSN 0039-7911

Chakraborty, T. K. ; Chandrasekaran, S. (1980) Oxidation of alcohols to carbonyl compounds with chromium(V) reagents Tetrahedron Letters, 21 (16). pp. 1583-1586. ISSN 0040-4039