D. A.  Kambale, Thorat, S. S., Pratapure, M. S., Gonnade, R. G., and Kontham, R., ?Lewis acid catalyzed cascade annulation of alkynols with alpha-ketoesters: a facile access to gamma-spiroketal-gamma-lactones?, Chemical Communications, vol. 53, no. 49, pp. 6641-6644, 2017.

A. K.  Nakate, Pratapure, M. S., and Kontham, R., ?Bismuth(III)-catalyzed cycloisomerization and (hetero)arylation of alkynols: simple access to 2-(hetero)aryl tetrahydrofurans and tetrahydropyrans?, Organic & Biomolecular Chemistry, vol. 16, no. 17, pp. 3229-3240, 2018.

S. S.  Thorat, Palange, M. N., and Kontham, R., ?Four-step total synthesis of (+)-yaoshanenolides A and B?, ACS Omega, vol. 3, no. 6, pp. 7036-7045, 2018.

S. S.  Thorat, Kataria, P., and Kontham, R., ?Synthesis of furo[2,3-b]pyran-2-ones through Ag(I)- or Ag(I)-Au(I)-catalyzed cascade annulation of alkynols and alpha-ketoesters?, Organic Letters, vol. 20, no. 3, pp. 872-875, 2018.

B. R.  Borade, Nomula, R., Gonnade, R. G., and Kontham, R., ?Fe(III)-Catalyzed diastereoselective friedel-crafts alkylation-hemiketalization-lactonization cascade for the synthesis of polycyclic bridged 2-chromanol lactones?, Organic Letters, vol. 21, no. 8, pp. 2629-2633, 2019.

S. S.  Thorat, ? Recent advances in the synthesis of oxaspirolactones and their application in the total synthesis of related natural products ?, Organic & Biomolecular Chemistry, vol. 17, no. 31, pp. 7270-7292, 2019.

M. N.  Palange, Gonnade, R. G., and Kontham, R., ?TiCl4-n-Bu3N-mediated cascade annulation of ketones with alpha-ketoesters: a facile synthesis of highly substituted fused gamma-alkylidene-butenolides?, Organic & Biomolecular Chemistry, vol. 17, no. 23, pp. 5749-5759, 2019.

B. R.  Borade, Dixit, R., and Kontham, R., ?Total synthesis of beshanzuenone D and its epimers and abiespiroside A?, Organic Letters, vol. 22, no. 21, pp. 8561-8565, 2020.

D. A.  Kambale, Borade, B. R., and Kontham, R., ?Bismuth(iii)-catalyzed bis-cyclization of propargylic diol-esters: a unified approach for the synthesis of [5,5]- and [6,5]-oxaspirolactones?, Organic & Biomolecular Chemistry, vol. 19, no. 30, pp. 6618-6622, 2021.

S. S.  Thorat, Krishna, G. Rama, and Kontham, R., ?Stereoselective total synthesis of (+/-)-pleurospiroketals A and B?, Journal of Organic Chemistry, vol. 86, no. 19, pp. 13572-13582, 2021.

S. S.  Thorat and Kontham, R., ?Strategies for the synthesis of furo-pyranones and their application in the total synthesis of related natural products?, Organic Chemistry Frontiers, vol. 8, no. 9, pp. 2110-2162, 2021.

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 ?,?-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.

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.

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 ?-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 ?,?-unsaturated ?-ketoesters: construction of fused pyrano-ketal-lactones and ?-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.

R.  Vinodkumar, Nakate, A. K., Gamidi, R. Krishna, and Kontham, R., ?Ready access to [5,6,5]-Trioxa-spiro and fused ketals via ag-catalyzed cascade annulation of 4-pentyn-1-ols and aldehydes?, Organic Letters, vol. 26, no. 34, pp. 7116-7121, 2024.

A.  Bhoite, Gaur, N. K., Palange, M., Kontham, R., Gupta, V., and Kulkarni, K., ?Structure of epoxide hydrolase 2 from Mangifera indica throws light on the substrate specificity determinants of plant epoxide hydrolases?, Biochemical and Biophysical Research Communications, vol. 733, p. 150444, 2024.

R.  Vinodkumar, Nakate, A. K., Krishna, G. Rama, and Kontham, R., ?AgOTf-catalyzed cascade annulation of 5-hexyn-1-ols and aldehydes: enabling the diastereoselective synthesis of [6,6,6]-trioxa-fused ketals and hexahydro-2H-chromenes?, Chemical Communications, vol. 61, no. 5, pp. 973-976, 2025.

S. R.  Ingale, Sahu, M. Ranjan, Borade, B. R., Gamidi, R. Krishna, and Kontham, R., ?Divergent access to ?-carbonyl-??-vinyl sulfoxonium ylides and polysubstituted furans from ?-ketosulfoxonium ylides and ynone-esters?, Journal of Organic Chemistry, vol. 90, no. 18, pp. 6186-6207, 2025.

S. R.  Ingale, Vinodkumar, R., and Kontham, R., ?The first enantioselective total synthesis of the eremophilane-type sesquiterpenoid (-)-peniroqueforin C?, Tetrahedron Letters, vol. 154, p. 155386, 2025.

M. V.  Sadanande, Thorat, S. S., Sharma, H., Singh, G., Vanka, K., Gonnade, R. G., and Kontham, R., ?Studies on the stereoselective synthesis of sacubitril via a chiral amine transfer approach?, Chemistry-An Asian Journal, vol. 20, no. 5, 2025.

M. Ranjan Sahu, Ingale, S. R., and Kontham, R., ?Total synthesis of linear lipodepsipeptide kavaratamide A and its C25-epimer?, Organic & Biomolecular Chemistry, vol. 23, no. 8, pp. 1819-1822, 2025.