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.

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.

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.