2-Diethoxymethyl-6-methyl-4-(2-trifluoromethyl-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-[2-(benzyl-methyl-amino)-ethyl] ester 3-ethyl ester 在
盐酸 作用下,
以
丙酮 为溶剂,
反应 1.5h,
以96.2%的产率得到2-Formyl-6-methyl-4-(2-trifluoromethyl-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 5-[2-(benzyl-methyl-amino)-ethyl] ester 3-ethyl ester