5-Butyl-4-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2-(2-trifluoromethyl-phenyl)-2H-pyrazole-3-carboxylic acid ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以90%的产率得到5-Butyl-4-[2'-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2-(2-trifluoromethyl-phenyl)-2H-pyrazole-3-carboxylic acid