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2022
R. Jannapu Reddy, Shankar, A., Kumar, J. Jagadesh, Sharadha, N., and Krishna, G. Rama, Diethyl phosphite-mediated switchable synthesis of bis(imidazoheterocycles) derived disulfanes and sulfanes using imidazoheterocycles and octasulfur, New Journal of Chemistry, vol. 46, no. 10, pp. 4784-4791, 2022.
R. Jannapu Reddy, Waheed, M., Kumari, A. Haritha, and Krishna, G. Rama, Interrupted CuAAC-thiolation for the construction of 1,2,3-triazole-fused eight-membered heterocycles from O-/N-propargyl derived benzyl thiosulfonates with organic azides, Advanced Synthesis & Catalysis, vol. 364, no. 2, pp. 319-325, 2022.
R. Jannapu Reddy, Kumar, J. Jagadesh, and Krishna, G. Rama, K3PO4-promoted cycloannulation of (E)-beta-Iodovinyl Sulfones with ortho-Hydroxy-chalcones/cinnamates for the synthesis of 2,3,4-trisubstituted 4h-benzopyran derivatives, Advanced Synthesis & Catalysis, vol. 364, no. 23, pp. 4080-4087, 2022.
V. Narasayya Saladi, Kammari, B. Raju, Mandad, P. Reddy, Krishna, G. Rama, Sajja, E., Thirumali, R. S., Marutapilli, A., and Mathad, V. T., Novel pharmaceutical cocrystal of apalutamide, a nonsteroidal antiandrogen drug: synthesis, crystal structure, dissolution, stress, and excipient compatibility, Crystal Growth & Design, vol. 22, no. 2, pp. 1130-1142, 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.
R. Jannapu Reddy, Kumari, A. Haritha, Sharadha, N., and Krishna, G. Rama, Solvent-driven mono- and bis-sulfenylation of (E)-beta-iodovinyl sulfones with thiols for flexible synthesis of 1,2-thiosulfonylalkenes and 1,2-dithioalkenes, Journal of Organic Chemistry, vol. 87, no. 6, pp. 3934-3951, 2022.
S. S. Patil, Jachak, G. R., Krishna, G. Rama, Argade, N. P., and D. Reddy, S., Total synthesis of 12, 13-dibenzyl-banistenoside B and analogs, European Journal of Organic Chemistry, vol. 2022, no. 19, p. e202200222, 2022.
2023
D. Singh, Lakshmi, D., Meena, C. L., Krishna, G. Rama, and Sanjayan, G. J., Carbamate-Protected (BOC and O-NB) 2-Aminopyrimidinedione-based janus G-C nucleobase motifs as building blocks for supramolecular assembly and smart polymers, Journal of organic chemistry , vol. 88, no. 21, pp. 14953-14959, 2023.
B. Sai Allaka, Basavoju, S., Rekha, E. Madhu, Sriram, D., and Krishna, G. Rama, Design and synthesis of novel quinazolinyl-bisspirooxindoles as potent anti-tubercular agents: an ultrasound-promoted methodology, Molecular Diversity , vol. 27, no. 3, pp. 1427-1436, 2023.
G. Masilamani, Krishna, G. Rama, Debnath, S., and Bedi, A., Origin of optoelectronic contradictions in 3,4-cycloalkyl[c]-chalcogenophenes: a computational study, Polymers, vol. 15, no. 21, p. 4240, 2023.
R. Jannapu Reddy, Sharadha, N., and Krishna, G. Rama, Pd(II)-catalyzed tandem cycloannulative-alkenylation of o-alkynyl-phenols/anilines with (E)-β-Iodovinyl sulfones: a direct strategy to construct 3-(Vinyl sulfonyl)benzoheterole derivatives, Journal of Organic Chemistry, vol. 88, no. 13, pp. 8889-8903, 2023.
P. Kumar, Rai, A., Kumar, M., Krishna, G. Rama, and Das, U., Radical cascade cyclization of unactivated alkene-tethered indoles with aryldiazonium salt and sodium metabisulfite to access Azo- and Sulfonylated-2,3-Dihyro-1H-pyrrolo[1,2-a]indoles, Journal of Organic Chemistry, vol. 88, no. 13, pp. 9123-9129, 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.
S. B. Kale, Kumar, M., Shinde, D. R., Krishna, G. Rama, and Das, U., Synthesis of N-functionalized 2,3-disubstituted benzofurans/naphthofurans from para-quinone methides and isocyanides via the [4+1] annulation pathway, Organic Chemistry Frontiers, vol. 10, no. 15, pp. 3746-3751, 2023.
M. Dandawate, Choudhury, R., Krishna, G. Rama, and D. Reddy, S., Total synthesis and absolute configuration determination of the α-glycosidase inhibitor (3S,4R)-6-Acetyl-3-hydroxy-2,2-dimethylchroman-4-yl (Z)-2-Methylbut-2-enoate from Ageratina grandifolia, Journal of Natural Products, vol. 86, no. 7, pp. 1878-1883, 2023.
M. Kanchrana, Allaka, B. Sai, Krishna, G. Rama, and Basavoju, S., Ultrasound assisted synthesis of spirooxindolo-1,2,4-oxadiazoles via [3+2] cycloaddition reaction and their anti-cancer activity, ARKIVOC, pp. S1-S46, 2023.
2024
G. Padhi, Pansare, V. Ramachandr, Bajpai, P., Krishna, G. Rama, Vanka, K., and Barsu, N., Depolymerization of waste polycarbonates to value-added products, ChemSusChem, 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.
M. Kanchrana, Krishna, G. Rama, Dey, B., Pandey, N., Guru, S. Kumar, Sangolkar, A. Ashok, Pawar, R., and Basavoju, S., Ionic liquid assisted green synthesis of quinoxaline based bisspirooxindoles: anticancer evaluation and molecular dynamics, CHEMISTRYSELECT, vol. 9, p. e202403608, 2024.
D. R. Shinde, Krishna, G. Rama, and Marelli, U. Kiran, Metal-free one-pot domino synthesis of oxazolidinethione derivatives of quaternary amino acids from α-amino esters and aldehydes using CS2, Journal of Organic Chemistry, vol. 89, no. 10, pp. 7109-7114, 2024.
R. Kumar Bandaru, Giri, L., Krishna, G. Rama, and Dandela, R., Novel molecular adducts of an anti-cancer drug vandetanib with enhanced solubility, Crystengcomm, vol. 26, no. 3, pp. 248-260, 2024.
A. Mishra, Talukdar, M., Krishna, G. Rama, and Begari, E., One-pot synthesis of pyrazoles from sulfonyl hydrazides and alkynyl ketones using environmentally benign sulfonium iodate (I) reagent, ChemistrySelect, vol. 9, no. 38, p. e202403249, 2024.
D. Chowdhury, Goswami, S., Krishna, G. Rama, and Mukherjee, A., Transfer semi-hydrogenation of terminal alkynes with a well-defined iron complex, Dalton Transaction, vol. 53, no. 8, pp. 3484-3489, 2024.