ethyl 1-[1-{4-chloro-4'-[4-(2-methylpropyl)piperazin-1-yl] [1,1'-biphenyl]-2-yl}piperidin-3-yl]-5-(difluoromethyl)-1H-pyrazole-4-carboxylate 在
水 、 lithium hydroxide 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
以90%的产率得到1-[1-{4-chloro-4'-[4-(2-methylpropyl)piperazin-1-yl] [1,1'-biphenyl]-2-yl}piperidin-3-yl]-5-(difluoromethyl)-1H-pyrazole-4-carboxylic acid