1,4-dihydro-2,6-dimethyl-4-(2,3-dichlorophenyl)-3-methoxycarbonylpyridine-5-carboxylic acid 6-(5-p-nitrophenyl-3-pyrazolyloxy)hexyl ester 、
氢气 、
甲烷 在
镍 镍 、 silica gel 作用下,
以
乙醇 、
乙酸乙酯 为溶剂,
以to obtain 6.63 g (yield 54.0%) of the 1,4-dihydro-2,6-dimethyl-4 -(2,3-dichlorophenyl)-3-methoxycarbonylpyridine-5-carboxylic acid 6-(5-p-aminophenyl-3-pyrazolyloxy)hexyl ester as a pale yellow powder的产率得到1,4-Dihydro-2,6-dimethyl-4-(2,3-dichlorophenyl)-3-methoxycarbonylpyridine-5-carboxylic acid 6-(5-p-aminophenyl-3-pyrazolyloxy)hexyl ester