2-(4-bromobutoxy)-5-methylsulfonylbenzaldehyde 、
β-氨基巴豆酸甲酯 、
乙酰乙酸甲酯 在
甲醇 作用下,
以
异丙醇 为溶剂,
反应 5.0h,
以to give 6.3 g of dimethyl 4-[2(4-bromobutoxy)-5-methylsulfonylphenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate的产率得到dimethyl 4-[2(4-bromobutoxy)-5-methylsulfonylphenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate