聚合甲醛 、
(S)-(-)- α-甲基苄胺 、
1-Methyl-2,6-diphenyl-piperidon-(4)-dicarbonsaeure-(3,5)-dimethylester 以
甲醇 为溶剂,
反应 24.0h,
以92%的产率得到(1R,2R,4S,5S)-3-methyl-9-oxo-2,4-diphenyl-7-((S)-1-phenylethyl)-3,7-diazabicyclo[3.3.1]nonane-1,5-dicarboxylic acid dimethyl ester