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S. P. Chavan, Kadam, A. L., and Kawale, S. A., “Total synthesis of (+/-)-quinagolide: a potent D-2 receptor agonist for the treatment of hyperprolactinemia”, ACS Omega, vol. 4, no. 5, pp. 8231-8238, 2019.
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. Chavan, Pawar, K. P., and Garai, S., “Protecting group free and scalable approach towards total synthesis of (-)-venlafaxine”, RSC Advances, vol. 4, no. 28, pp. 14468-14470, 2014.
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, Kadam, A. L., and Gonnade, R. G., “Enantioselective formal total synthesis of (-)-quinagolide”, Organic Letters, vol. 21, no. 22, pp. 9089-9093, 2019.
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. Chavan, Kawale, S. A., and Chavan, P. N., “Formal synthesis of brivaracetam: a key to construct the pyrrolidone scaffold using Pd-catalyzed oxidative cyclization and ring-closing metathesis reaction”, Tetrahedron Letters, vol. 60, no. 46, p. 151249, 2019.
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.
S. P. Chavan, Khairnar, L. B., Chavan, P. N., Dumare, N. B., Kalbhor, D. B., and Gonnade, R. G., “Chiron approach to formal synthesis of both antipodes of cis 3-hydroxypipecolic acid (vol 55, pg 6423, 2014)”, Tetrahedron Letters, vol. 61, no. 52, p. 152644, 2020.
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, Pawar, A. A., Patil, N. B., Kadam, A. L., and Shinde, S. S., “Scalable synthesis of 3-Ethyl-4-methyl-1,5-dihydro-2H-pyrrol-2-one: an important building block of the antidiabetic drug glimepiride”, Synthesis-Stuttgart, vol. 52, no. 22, pp. 3480-3484, 2020.
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., and Kalkote, U. R., “Practical formal synthesis of camptothecin”, Tetrahedron Letter, vol. 48, no. 37, pp. 6561-6563, 2007.
S. P. Chavan, Kadam, A. L., Shinde, S. S., and Gonnade, R. G., “Furan-derived chiral bicycloaziridino lactone synthon: collective syntheses of oseltamivir phosphate (Tamiflu), (S)-pipecolic acid and its 3-hydroxy derivatives”, Chemistry-An Asian Journal, vol. 15, no. 3, pp. 415-424, 2020.
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.
S. P. Chavan, Kalbhor, D. B., and Gonnade, R. G., “Divergent approach to the synthesis of (-)-balanol heterocycle and cis-3-hydroxypipecolic acid based on chiral 2-aminoalkanol equivalent”, Tetrahedron, vol. 80, p. 131773, 2021.
S. P. Chavan, Ethiraj, K. S., and Dantale, S. W., “MgBr2-mediated ionic Diels-Alder reaction of acetals of alpha,beta-unsaturated aldehydes and ketones with 1,3-dienes”, Synthetic Communications, vol. 37, no. 14, pp. 2337-2343, 2007.
S. P. Chavan, Kawale, S. A., Patil, N. B., and Kalbhor, D. B., “Application of allylic amine formation from aziridine-2-ol under appel reaction condition: synthesis of N-(tert-butoxycarbonyl)-D-vinyl glycine methyl ester”, Tetrahedron Letters, vol. 73, p. 153119, 2021.
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, Kawale, S. A., Pisal, M. M., Kadam, A. L., and Gonnade, R. G., “Formal synthesis of (-)-quinagolide: diastereoselective ring expansion via a bicyclic aziridinium ion strategy to access the octahydrobenzo[g]quinoline architecture”, Journal of Organic Chemistry, vol. 86, no. 14, pp. 9344-9352, 2021.
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, Kalbhor, D. B., and Gonnade, R. G., “Rapid synthesis of the epi-biotin sulfone via tandem S,N-carbonyl migration/aza-michael/spirocyclization and haller-bauer reaction”, ACS Omega, vol. 7, no. 20, pp. 17215-17222, 2022.
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, Kawale, S. A., and Gonnade, R. G., “cis-aziridine synthon based synthetic investigation for tamiflu employing horner-wadsworth-emmons reaction”, European Journal of Organic Chemistry, vol. 2022, no. 25, p. e202200384, 2022.
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.
S. P. Chavan, Kawale, S. A., Tripathi, A., Kadam, A. L., and Gonnade, R. G., “Revisiting classical pummerer cyclization reaction: a key strategy for the synthesis of (+/-)-quinagolide”, ChemistrySelect, vol. 7, no. 28, p. e202201600, 2022.
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, Kalbhor, D. B., and Gonnade, R. G., “Rapid bioinspired N-acyliminium ion strategy for the ABC core of the stemona alkaloids”, Asian Journal of Organic Chemistry, vol. 12, no. 9, 2023.
S. P. Chavan, Chittiboyina, A. G., Ramakrishna, G., Tejwani, R. B., Ravindranathan, T., Kamat, S. K., Rai, B., Sivadasan, L., Balakrishnan, K., Ramalingam, S., and Deshpande, V. H., “Unusual stereochemical outcome of radical cyclization: synthesis of (+)-biotin”, Tetrahedron, vol. 61, no. 39, pp. 9273-9280, 2005.
S. P. Chavan, Shivsankar, K., and Pasupathy, K., “Simplistic expedient and practical synthesis of (+/-)-alpha-lipoic acid”, Synthesis-Stuttgart, no. 8, pp. 1297-1300, 2005.
S. P. Chavan, Pathak, A. B., and Pawar, K. P., “Synthesis of 3-ethyl-4-metyl-1h,5-dihydro-2h-pyrrol-2-one by novel palladium(ii)-catalyzed cyclization and ring-closing metathesis”, Synthesis-Stuttgart, vol. 47, no. 7, pp. 955-960, 2015.
S. P. Chavan, Kale, R. R., and Pasupathy, K., “Facile regioselective decomposition of tosylhydrazones: an application towards the synthesis of alpha-lipoic acid”, Synlett, no. 7, pp. 1129-1132, 2005.
S. P. Chavan, Dumare, N. B., and Pawar, K. P., “Formal syntheses of (2R,3R)-3-hydroxy pipecolic acid and (2R,3S)-3-hydroxy pipecolic acid from L-ascorbic acid”, Tetrahedron Letters, vol. 56, no. 6, pp. 805-807, 2015.
S. P. Chavan, Thakkar, M., Kharul, R. K., Pathak, A. B., Bhosekar, G. V., and Bhadbhade, M. M., “First enantiospecific synthesis of (+)-beta-herbertenol”, Tetrahedron, vol. 61, no. 15, pp. 3873-3879, 2005.
S. P. Chavan, Khairnar, L. B., Pawar, K. P., Chavan, P. N., and Kawale, S. A., “Enantioselective syntheses of (R)-pipecolic acid, (2R,3R)-3-hydroxypipecolic acid, beta-(+)-conhydrine and (-)-swainsonine using an aziridine derived common chiral synthon”, RSC Advances, vol. 5, no. 62, pp. 50580-50590, 2015.
S. P. Chavan and Praveen, C., “Stereoselective synthesis of (-)-microcarpalide”, Tetrahedron Letters, vol. 46, no. 11, pp. 1939-1941, 2005.
S. P. Chavan, Chavan, P. N., Lasonkar, P. B., Khairnar, L. B., and Kadam, A. L., “Facile and convenient synthesis of (+/-)-Biotin via MgCl2/Et3N-mediated C-C coupling and mitsunobu reaction”, Synlett, vol. 25, no. 20, pp. 2879-2882, 2014.
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, Khairnar, L. B., Chavan, P. N., Dumare, N. B., Kalbhor, D. B., and Gonnade, R. G., “Chiron approach to formal synthesis of both antipodes of cis 3-hydroxypipecolic acid”, Tetrahedron Letters, vol. 55, no. 47, pp. 6423-6426, 2014.
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.
S. P. Chavan, Khairnar, L. B., and Chavan, P. N., “Efficient and mild method for preparation of allylic amines from aziridine-2-alcohols using PPh3/I-2/imidazole”, Tetrahedron Letters, vol. 55, no. 43, pp. 5905-5907, 2014.
S. P. Chavan, Pasupathy, K., Shengule, S., Shinde, V., and Anand, R., “Catalytic transesterification of beta-ketoesters with zeolite H-FER under solvent free conditions”, Arkivoc, vol. 13, pp. 162-168, 2005.
S. P. Chavan, Khairnar, L. B., Chavan, P. N., and Kalbhor, D. B., “Short enantioselective total synthesis of (R)- and (S)-pipecolic acid”, Tetrahedron-Asymmetry, vol. 25, no. 16-17, pp. 1246-1251, 2014.
S. P. Chavan and Venkatraman, M. S., “Synthesis of (+)-camptothecin”, Arkivoc, vol. 2005, no. 3, pp. 165-169, 2005.
S. P. Chavan, Chavan, P. N., and Gonnade, R. G., “Stereospecific synthetic approach towards tamiflu using the ramberg-backlund reaction from cysteine hydrochloride”, RSC Advances, vol. 4, no. 107, pp. 62281-62284, 2014.
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.
S. P. Chavan, Dumare, N. B., and Pawar, K. P., “Total syntheses of D-allo-1-deoxynojirimycin and L-talo-1-deoxynojirimycin via reductive cyclization”, RSC Advances, vol. 4, no. 77, pp. 40852-40858, 2014.
S. P. Chavan, Dumare, N. B., Pawar, K. P., Chavan, P. N., and Khairnar, L. B., “Asymmetric total synthesis of L-allo-1-deoxynojirimycin”, Arkivoc, no. 2, pp. 137-147, 2016.
S. P. Chavan, Dumare, N. B., and Pawar, K. P., “Novel, concise and efficient protocol for non-natural piperidine compounds”, RSC Advances, vol. 4, no. 62, pp. 32594-32598, 2014.
S. P. Chavan, Khatod, H. S., Das, T., and Vanka, K., “Exploration of the diastereoselectivity in an unusual Grignard reaction and its application towards the synthesis of styryl lactones 7-epi-(+)-goniodiol and 8-epi-(-)-goniodiol”, RSC Advances, vol. 6, no. 56, pp. 50721-50725, 2016.
S. P. Chavan and Lasonkar, P. B., “Simple synthesis of the novel antihistaminic drug olopatadine hydrochloride”, Synthesis-Stuttgart, vol. 45, no. 24, pp. 3399-3403, 2013.
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, Harale, K. R., and Pawar, K. P., “Short synthesis of (2S,3S)-3-hydroxypipecolic acid”, Tetrahedron Letters, vol. 54, no. 36, pp. 4851-4853, 2013.
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 and Lasonkar, P. B., “One-pot migration-formylation of benzyl aryl ethers under duff reaction condition”, Tetrahedron Letters, vol. 54, no. 32, pp. 4789-4792, 2013.
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 and Khatod, H. S., “Enantioselective synthesis of the essential oil and pheromonal component ar-himachalene by a chiral pool and chirality induction approach”, Tetrahedron-Asymmetry, vol. 23, no. 18-19, pp. 1410-1415, 2012.
S. P. Chavan and Khatod, H. S., “Application of unusual grignard reaction for the stereoselective synthesis of antidepressant drug (R)-(-)-venlafaxine”, Synthesis-Stuttgart, vol. 49, no. 6, pp. 1410-1418, 2017.
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.
S. P. Chavan, Kadam, A. L., Lasonkar, P. B., and Gonnade, R. G., “Synthesis of 3-azidopiperidine skeleton employing ceric ammonium nitrate (CAN)-mediated regioselective azidoalkoxylation of enol ether: total synthesis of d-2 receptor agonist (+/-)-quinagolide”, Organic letters , vol. 20, no. 22, pp. 7011-7014, 2018.
S. P. Chavan and Harale, K. R., “Very practical and selective method for PMB protection of alcohols”, Tetrahedron Letters, vol. 53, no. 35, pp. 4683-4686, 2012.
S. P. Chavan, Pawar, K. P., Praveen, C., and Patil, N. B., “Chirality induction and chiron approaches to enantioselective total synthesis of alpha-lipoic acid”, Tetrahedron, vol. 71, no. 24, pp. 4213-4218, 2015.
S. P. Chavan, Harale, K. R., Puranik, V. G., and Gawade, R. L., “Formal synthesis of (-)-stemoamide using a useful epimerization at C-8”, Tetrahedron Letters, vol. 53, no. 21, pp. 2647-2650, 2012.