4-(2,3-Dichlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-2-phthalimidomethyl-1,4-dihydropyridine 在
manganese dioxide 作用下,
反应 1.0h,
以to give 2.0 g (88% of theory) of the title compound的产率得到4-(2,3-Dichlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-2-phthalimidomethylpyridine