(S)-4-{(S)-1-[(S)-1-[(1S,2S,4R)-2-Benzyloxy-4-((S)-1-benzyloxycarbonyl-ethylcarbamoyl)-1-isobutyl-pentylcarbamoyl]-2-(trityl-carbamoyl)-ethylcarbamoyl]-2-methyl-propylcarbamoyl}-4-benzyloxycarbonylamino-butyric acid benzyl ester 在
palladium on activated charcoal
氢气 、
三氟乙酸 作用下,
以
甲醇 为溶剂,
反应 14.5h,
生成 (S)-4-Amino-4-((S)-1-{(S)-2-carbamoyl-1-[(1S,2S,4R)-4-((S)-1-carboxy-ethylcarbamoyl)-2-hydroxy-1-isobutyl-pentylcarbamoyl]-ethylcarbamoyl}-2-methyl-propylcarbamoyl)-butyric acid