3,3'-dimethoxy-4,4'-methanediyldioxy-di-benzaldehyde 、
乙酰乙酸乙酯 在
碳酸氢铵 作用下,
反应 72.0h,
以58%的产率得到Diethyl 4-[4-[[4-[3,5-bis(ethoxycarbonyl)-2,6-dimethyl-1,4-dihydropyridin-4-yl]-2-methoxyphenoxy]methoxy]-3-methoxyphenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate