CJCU
Studies on Cyclization Reactions of 6-Benzylthiopyrimidine-4,5-diamines and Carboxylic Acids in Presence of Polyphosphoric Acid
LIU Jing-Lin; CHE Xin; DANG Qun; ZHANG Heng-Bin; BAI Xu*
Chem. J. Chinese Universities . 2006, (7): 1272 -1276 .