1-(4-tert-Butyl-phenyl)-5-(4-chloro-pyridin-2-yloxy)-3-(3-trifluoromethyl-phenoxy)-1H-indole-2-carboxylic acid ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以90%的产率得到1-(4-tert-Butyl-phenyl)-5-(4-chloro-pyridin-2-yloxy)-3-(3-trifluoromethyl-phenoxy)-1H-indole-2-carboxylic acid