3-Oxo-butyric acid 2-(benzyl-methyl-amino)-cyclohexyl ester 在
sodium methylate 、
哌啶乙酸盐 作用下,
以
异丙醇 、
苯 为溶剂,
生成 2-Amino-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-[2-(benzyl-methyl-amino)-cyclohexyl] ester 3-(1-benzyl-piperidin-3-yl) ester