Syntheses of 3-Methyl-1-propyl-4-piperidoneand-1-Methyl-3,7-dipropyl-3,7-diazabicyclo[3,3,1]nonan-9-one
WANG Yu-huan, WANG Guo-jia, ZHANG Wei-ge, DU BO, FANG BO-yan, YU Gui, CHENG Yue-mei
Chemical Research in Chinese Universities . 1994, (3): 266 -271 .