2-[(E)-4-chloro-2-butenyloxy]-5-nitrobenzaldehyde 、
β-氨基巴豆酸甲酯 、
乙酰乙酸甲酯 以
异丙醇 为溶剂,
反应 3.5h,
以to give 4.4 g of dimethyl 4-[2-[(E)-4-chloro-2-butenyloxy]-5-nitrophenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate的产率得到dimethyl 4-[2-[(E)-4-chloro-2-butenyloxy]-5-nitrophenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate