CJCU
A Facile Onestep Synthesis of 1-Acylindolizines by the Reaction of Pyridinium Salts with Mannich Bases in the Presence of TPCD
WANG Bing-Xiang, HU Jia-Xin, HU Yue-Fei, HU Hong-Wen
Chem. J. Chinese Universities . 1999, (3): 418 -420 .