methyl-3-amino-4-[2-(phthalimido)ethoxy]acetoacetate 、
ethyl 2-(2-chlorobenzylidene)-4-[(2-phthalimido)ethoxy]acetoacetate 以
异丙醇 为溶剂,
反应 18.0h,
以59%的产率得到ethylmethyl-2,6-bis-[(2-phthalimidoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydropyridine-3,5-dicarboxylate