K. S.  Pandit, Kupwade, R. V., Chavan, P. V., Desai, U. V., Wadgaonkar, P. P., and Kodam, K. M., ?Problem solving and environmentally benign approach toward diversity oriented synthesis of novel 2-amino-3-phenyl (or Alkyl) sulfonyl-4H-chromenes at ambient temperature?, ACS Sustainable Chemistry & Engineering, vol. 4, pp. 3450-3464, 2016.