S. D.  Dindulkar, Puranik, V. G., and Jeong, Y. Tae, ?Supported copper triflate as an efficient catalytic system for the synthesis of highly functionalized 2-naphthol Mannich bases under solvent free condition?, Tetrahedron Letters, vol. 53, no. 33, pp. 4376-4380, 2012.

S. D.  Dindulkar, Parthiban, P., Puranik, V. G., and Jeong, Y. Tae, ?Synthesis and stereochemistry of highly crowded N-benzylpiperidones?, Journal of Molecular Structure, vol. 1007, pp. 158-167, 2012.