2-[2-(N-benzyl-N-methylamino)ethoxymethyl]-4-[2-chlorophenyl]-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine, oxalate salt 在
钯 氢气 、 benzyl 、
甲醇 作用下,
以
甲醇 为溶剂,
以to give the title compound (2.4 g), m.p. 211°的产率得到2-<<2-(methylamino)ethoxy>methyl>-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine oxalate