ethyl 3-oxo 4-heptenoate 、
3-Amino-3-(1-pyrrolidinyl)acrylsaeure-ethylester 、
乙醇 反应 2.0h,
以yields 2-pyrrolidino-4,6-dimethyl-4,5-dihydropyridine-3,5-dicarboxylic acid diethyl ester的产率得到2-pyrrolidino-4,6-dimethyl-4,5-dihydropyridine-3,5-dicarboxylic acid diethyl ester