biblio

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2015
A. N. Purude, Pawar, K. P., Patil, N. B., Kalkote, U. R., and Chavan, S. P., “Total synthesis of (R)-lipoic acid and (S)-lipoic acid via an Mn (III)-salen-catalyzed oxidative kinetic resolution”, Tetrahedron-Asymmetry, vol. 26, no. 5-6, pp. 281-287, 2015.
2012
S. P. Chavan, Garai, S., and Kalkote, U. R., “Highly diastereoselective total synthesis of (+/-)-heritonin and (+/-)-heritol”, Tetrahedron, vol. 68, no. 40, pp. 8509-8514, 2012.
2011
S. P. Chavan, Dumare, N. B., Harale, K. R., and Kalkote, U. R., “Asymmetric total synthesis of (2S,3S)-3-hydroxypipecolic acid”, Tetrahedron Letters, vol. 52, no. 3, pp. 404-406, 2011.
S. P. Chavan, Harale, K. R., Dumare, N. B., and Kalkote, U. R., “Convenient formal synthesis of (2S,3S)-3-hydroxy pipecolic acid”, Tetrahedron-Asymmetry, vol. 22, no. 5, pp. 587-590, 2011.
S. P. Panchgalle, Kunte, S. S., Chavan, S. P., and Kalkote, U. R., “Exploration of L-proline-catalyzed -aminoxylation of aldehyde to (S)-guaifenesin-related drug molecules”, Synthetic Communications, vol. 41, no. 13, p. PII 937137930, 2011.
2010
S. P. Panchgalle, Jogdand, G. F., Chavan, S. P., and Kalkote, U. R., “Enantioselective synthesis of (R)-(+)-alpha-lipoic acid via proline-catalyzed sequential alpha-aminoxylation and HWE olefination of aldehyde”, Tetrahedron Letters, vol. 51, no. 27, pp. 3587-3589, 2010.
S. P. Chavan, Dhawane, A. N., and Kalkote, U. R., “Formal synthesis of (+/-)-camptothecin via tricyclic lactone as key synthon”, Tetrahedron Letters, vol. 51, no. 23, pp. 3099-3101, 2010.
S. P. Panchgalle, Bidwai, H. B., Chavan, S. P., and Kalkote, U. R., “Organocatalytic asymmetric synthesis of (-)-delta-coniceine based on sequential proline-catalyzed asymmetric alpha-amination-HWE olefination”, Tetrahedron-Asymmetry, vol. 21, no. 19, pp. 2399-2401, 2010.
2009
S. P. Panchgalle, Gore, R. G., Chavan, S. P., and Kalkote, U. R., “Organocatalytic enantioselective synthesis of beta-blockers: (S)-propranolol and (S)-naftopidil”, Tetrahedron-Asymmetry, vol. 20, no. 15, pp. 1767-1770, 2009.
M. K. Gurjar, Reddy, C. Nageswar, Kalkote, U. R., and Chorghade, M. S., “Studies toward the total synthesis of carba analogue of motif C OF M. TB cell wall AG complex”, Heterocycles, vol. 77, no. 2, pp. 909-925, 2009.
2008
R. Varma, Kasture, S. M., Nene, S., and Kalkote, U. R., “Lipases catalyzed enantioselective hydrolysis of (R,S)-methyl 1,4-benzodioxan-2-carboxylate intermediate for (S)-doxazosin mesylate”, World Journal of Microbiology & Biotechnology, vol. 24, no. 4, pp. 577-579, 2008.
S. P. Chavan, Dhawane, A. N., and Kalkote, U. R., “Tandem aza-michael-condensation-aldol cyclization reaction: approach to the construction of DE synthon of (+/-)-camptothecin”, Synlett, no. 18, pp. 2781-2784, 2008.
2007
S. P. Chavan, Khobragade, D. A., Pathak, A. B., and Kalkote, U. R., “Convenient formal synthesis of (+/-)-paroxetine”, Synthetic Communications, vol. 37, no. 18, pp. 3143-3149, 2007.
S. P. Chavan, Dhawane, A. N., and Kalkote, U. R., “Efficient and practical total synthesis of (+/-)-alpha-cuparenone”, Synthesis-Stuttgart , no. 24, pp. 3827-3830, 2007.
S. P. Chavan, Dhawane, A. N., and Kalkote, U. R., “Facile total synthesis of (+/-)-alpha-cuparenone employing diallylation and RCM as key steps”, Tetrahedron Letter, vol. 48, no. 6, pp. 965-966, 2007.
S. P. Chavan, Thakkar, M., and Kalkote, U. R., “First enantiospecific synthesis of (-)-heritol: absolute configuration determination”, Tetrahedron Letters, vol. 48, no. 4, pp. 643-646, 2007.
S. P. Chavan, Sharma, P., Sivappa, R., and Kalkote, U. R., “Practical and facile approach towards indole alkaloids: (-)-mitralactonine”, Synlett, no. 1, pp. 79-82, 2007.
S. P. Chavan, Pathak, A. B., and Kalkote, U. R., “Practical formal synthesis of camptothecin”, Tetrahedron Letter, vol. 48, no. 37, pp. 6561-6563, 2007.
S. P. Chavan, Khobragade, D. A., Thakkar, M., and Kalkote, U. R., “Practical synthesis of (+/-)-venlafaxine”, Synthetic Communications, vol. 37, no. 22-24, pp. 3901-3906, 2007.
S. P. Chavan, Pathak, A. B., Pandey, A., and Kalkote, U. R., “Short and efficient synthesis of rubrolide E”, Synthetic Communications, vol. 37, no. 22-24, pp. 4253-4263, 2007.
S. P. Chavan, Pathak, A. B., and Kalkote, U. R., “Total synthesis of (+)-camptothecin via an intramolecular palladium-catalyzed cyclization strategy”, Synlett, no. 17, pp. 2635-2638, 2007.
S. P. Chavan, Pathak, A. B., Dhawane, A. N., and Kalkote, U. R., “Total synthesis of pulchellalactam via an RCM strategy”, Synthetic Communications, vol. 37, no. 7-9, pp. 1503-1510, 2007.
2006
U. R. Kalkote, Purude, A. N., Puranik, V. G., and Gurjar, M. K., “Convenient chemoenzymatic synthesis of (1S,7aS)-1-hydroxy-5-oxo-4-(2 `-carboxyethyl)-7a-methyltetrahydro-indane - a key intermediate of steroids”, Journal of Molecular Catalysis B-Enzymatic, vol. 40, no. 1-2, pp. 38-43, 2006.
S. P. Chavan, Thakkar, M., Jogdand, G. F., and Kalkote, U. R., “First enantiospecific synthesis of (-)-parvifoline and (-)-curcuquinone”, Journal of Organic Chemistry, vol. 71, no. 23, pp. 8986-8988, 2006.
S. P. Chavan, Sharma, P., Sivappa, R., and Kalkote, U. R., “Ring closing metathesis approach to the indole alkaloid mitralactonine”, Tetrahedron Letters, vol. 47, no. 52, pp. 9301-9303, 2006.
2005
S. P. Chavan, Chittiboyina, A. G., Ravindranathan, T., Kamat, S. K., and Kalkote, U. R., “Diastereoselective amidoalkylation of (3S,7aR)-6-benzyl-7-hydroxy-3-phenyltetra-hydro-5H-imidazo[1,5-c][1, 3]thiazol-5-one : a short and highly efficient synthesis of (+)-biotin”, Journal of Organic Chemistry, vol. 70, no. 5, pp. 1901-1903, 2005.
S. P. Chavan, Praveen, C., Sharma, P., and Kalkote, U. R., “Efficient stereoselective synthesis of (2S,4S,5R)-(-)- and (2R,4R,5S)-(+)-bulgecinine”, Tetrahedron Letters, vol. 46, no. 3, pp. 439-441, 2005.
U. R. Kalkote, Panchgalle, S. R., Mahakal, K. K., Choudhary, S. M., and Chavan, S. R., “New method for the preparation of 1,2-benzisoxazole-3-carboxaldehyde”, Journal of Chemical Research, no. 2, pp. 99-100, 2005.
S. M. Kasture, Varma, R., Kalkote, U. R., Nene, S., and Kulkarni, B. D., “Novel enzymatic route for kinetic resolution of (+/-)1,4-benzodioxan-2-carboxylic acid”, Biochemical Engineering Journal, vol. 27, no. 1, pp. 66-71, 2005.
S. P. Chavan, Kharul, R. K., Kamat, S. K., Kalkote, U. R., and Kale, R. R., “Simple, concise, stereocontrolled synthesis of (8E,10Z)-pentadecadien-1-ol acetate”, Synthetic Communications, vol. 35, no. 7, pp. 987-994, 2005.