5-(7-acetoacetoxyhept-1-yl)-3-methylisoxazole 、
β-氨基巴豆酸甲酯 、
间硝基苯甲醛 在
silica gel 作用下,
以
异丙醇 为溶剂,
反应 12.0h,
以v/v) as eluant to give 3-[7-(3-methylisoxazol-5-yl)heptyloxycarbonyl]-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine (60%) as a pale yellow thick oil的产率得到3-[7-(3-methylisoxazol-5-yl)heptyloxycarbonyl]-5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine