4-(2-acetylamino-3-tert-butoxycarbonyl-propionylamino)-4-(1-{1-[2-cyclohexyl-1-(1-ethyl-2-oxo-4-phenyl-but-3-enylcarbamoyl)-ethylcarbamoyl]-2-methyl-butylcarbamoyl}-3-methyl-butylcarbamoyl)-butyric acid tert-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以100%的产率得到(R)-4-((S)-2-Acetylamino-3-tert-butoxycarbonyl-propionylamino)-4-((S)-1-{(1S,2S)-1-[(S)-2-cyclohexyl-1-((S)-1-ethyl-2-oxo-4-phenyl-butylcarbamoyl)-ethylcarbamoyl]-2-methyl-butylcarbamoyl}-3-methyl-butylcarbamoyl)-butyric acid tert-butyl ester