(S)-2-((2S,4R)-2-{(S)-2-[((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyl)-methyl-amino]-3-phenyl-propionylamino}-4-methyl-octanoylamino)-propionic acid methyl ester 在
lithium hydroxide 作用下,
生成 (S)-2-((2S,4R)-2-{(S)-2-[((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyl)-methyl-amino]-3-phenyl-propionylamino}-4-methyl-octanoylamino)-propionic acid