ethyl 5-butyl-2-(2,5-dichlorophenyl)-4-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]pyrazole-3-carboxylate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以88%的产率得到5-Butyl-2-(2,5-dichloro-phenyl)-4-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2H-pyrazole-3-carboxylic acid