2-phenoxyethyl 2-methyl-4-(2-nitrophenyl)-5-ethoxycarbonyl-6-diethoxymethyl-1,4-dihydropyridine-3-carboxylate 以
丙酮 、
盐酸 为溶剂,
以was obtained an oil (1.1 g) of 2-phenoxyethyl 2-methyl-4-(2-nitrophenyl)-5-ethoxycarbonyl-6-formyl-1,4-dihydropyridine-3-carboxylate的产率得到2-Formyl-6-methyl-4-(2-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-(2-phenoxy-ethyl) ester