(S)-2-{[1-((S)-2-Acetylsulfanyl-pentanoylamino)-cyclopentanecarbonyl]-amino}-3-biphenyl-4-yl-propionic acid methyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
生成 (S)-3-Biphenyl-4-yl-2-{[1-((S)-2-mercapto-pentanoylamino)-cyclopentanecarbonyl]-amino}-propionic acid