Sarkate, Aniket P.; Bahekar, Sushilkumar S.; Wadhai, Vijay M.; Ghandge, Ganesh N.; Wakte, Pravin S.; Shinde, Devanand B. Synlett, 2013 , vol. 24, # 12 art. no. ST-2013-B0227-L, p. 1513 - 1516