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2022
B. R. Borade and Kontham, R., Concise total synthesis of (+)-lanceolactone a: revision of absolute stereochemistry, Journal of Organic Chemistry, vol. 87, no. 19, pp. 12867-12876, 2022.
A. Khan, Said, M. S., Borade, B. R., Gonnade, R., Barvkar, V., Kontham, R., and Dastager, S. G., Enceleamycins A-C, furo-naphthoquinones from amycolatopsis sp. MCC0218: isolation, structure elucidation, and antimicrobial activity, Journal of Natural Products, vol. 85, no. 5, pp. 1267-1273, 2022.
Y. Mankad, Thorat, S. S., Das, P., Krishna, G. Rama, Kontham, R., and D. Reddy, S., Ready access to benzannulated [5,5]-oxaspirolactones using Au(III)-catalyzed cascade cyclizations, Journal of Organic Chemistry, vol. 87, no. 5, pp. 3025-3041, 2022.
A. K. Nakate, Thorat, S. S., Jain, S., Krishna, G. Rama, Vanka, K., and Kontham, R., Silver-catalyzed [3 + 3]-annulation cascade of alkynyl alcohols and α,β-unsaturated ketones for the regioselective assembly of chromanes, Organic Chemistry Frontiers, vol. 9, no. 3, pp. 802-809, 2022.
P. Kataria, Nomula, R., and Kontham, R., Studies directed toward the synthesis of hedycoropyrans: total synthesis of des-hydroxy (-)-hedycoropyran B (ent-rhoiptelol B), Organic & Biomolecular Chemistry, vol. 20, no. 2, pp. 444-463, 2022.
R. Nomula, Pratapure, M. S., and Kontham, R., Studies directed toward the total synthesis of nannocystin A, ChemistrySelect, vol. 7, no. 42, p. e202203893, 2022.
2023
P. Kataria, Sahoo, S. Shekhar, and Kontham, R., Bi(III)-catalyzed synthesis of substituted furans from hydroxy-oxetanyl ketones: application to unified total synthesis of shikonofurans J, D, E, and C, Journal of Organic Chemistry, vol. 88, no. 11, pp. 7328-7346, 2023.
M. S. Pratapure and Kontham, R., Bismuth(III)-catalyzed cascade condensation of alkynyl alcohols with terminal alkynes: a facile construction of propargyl cyclic ethers, Tetrahedron Letters, vol. 114, p. 154274, 2023.
D. A. Kambale, Borade, B. R., Vinodkumar, R., and Kontham, R., Divergent synthesis of oxepino-phthalides and [5,5]-oxaspirolactones through [2+2+2]- and [2+3]-annulation of alkynyl alcohols with a-ynone-esters, Journal of Organic Chemistry, vol. 88, no. 17, pp. 12597-12612, 2023.
V. D. Navale, Borade, B. R., Krishna, G. Rama, Vamkudoth, K. Rao, and Kontham, R., Metabolites from lactococcus lactis subsp. lactis: isolation, structure elucidation, and antimicrobial activity, ACS Omega, vol. 8, no. 40, pp. 36628-36635, 2023.
S. S. Thorat, Shimpi, S. P., Sambherao, P. I., Krishna, G. Rama, and Kontham, R., Regioselective synthesis of benzannulated [5,6]-oxaspirolactones via Cu(II)-catalyzed cycloisomerization of 2-(5-Hydroxyalkynyl)benzoates, Journal of Organic Chemistry , vol. 88, no. 24, pp. 16915-16933, 2023.
2024
G. S. Kallure, Sahoo, S. Shekhar, Kale, R. S., Barvkar, V. T., Kontham, R., and Giri, A. P., Aminoacylase efficiently hydrolyses fatty acid amino acid conjugates of Helicoverpa armigera potentially to increase the pool of glutamine, Insect Biochemistry and Molecular Biology , vol. 165, 2024.
A. B. Rathod, Borade, B. R., Sambherao, P. I., and Kontham, R., Bi(OTf)3-promoted cascade annulation of hydroxy-pyranones and unsaturated γ-ketoesters for the construction of polycyclic bridged pyrano-furopyranones, Organic and biomolecular chemistry, vol. 22, no. 3, pp. 496-500, 2024.
R. Vinodkumar, Nakate, A. K., Sharma, H., Vanka, K., Krishna, G. Rama, and Kontham, R., Bronsted acid-promoted cyclodimerization of α,β-unsaturated γ-ketoesters: construction of fused pyrano-ketal-lactones and γ-ylidene-butenolides, ACS Omega, vol. 9, no. 18, pp. 19859-19878, 2024.
S. Shekhar Sahoo, Kataria, P., and Kontham, R., Concise and collective total syntheses of 2,4-disubstituted furan-derived natural products from hydroxyoxetanyl ketones, Organic and biomolecular chemistry, vol. 22, no. 7, pp. 1475-1483, 2024.
A. K. Nakate, Kataria, P., Sambherao, P. I., Krishna, G. Rama, and Kontham, R., Divergent access to polycyclic spiro- and fused-N,O-ketals through Bi(OTf)3-catalyzed [4+2]-annulation of cyclic N-sulfonyl ketimines and alkynols, Chemical Communications, vol. 60, no. 9, pp. 1144-1147, 2024.