[1-(4-Chloro-benzoyl)-2-methyl-5-(1,1,2,2-tetrafluoro-ethoxy)-1H-indol-3-yl]-acetic acid benzyl ester 在
palladium on activated charcoal
氢气 、
potassium carbonate 作用下,
生成 [1-(4-Chloro-benzoyl)-2-methyl-5-(1,1,2,2-tetrafluoro-ethoxy)-1H-indol-3-yl]-acetic acid benzyloxycarbonylmethyl ester