3-O-ethyl 5-O-(2-phenoxyethyl) 4-(2-cyanophenyl)-2-(diethoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 在
盐酸 作用下,
以
丙酮 为溶剂,
反应 1.5h,
以69.2%的产率得到3-O-ethyl 5-O-(2-phenoxyethyl) 4-(2-cyanophenyl)-2-formyl-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate