(S)-2-[((2S,4R)-2-{(S)-2-[((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyl)-methyl-amino]-3-thiazol-4-yl-propionylamino}-4-methyl-octanoyl)-methyl-amino]-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-thiazol-4-yl-propionylamino}-4-methyl-octanoyl)-methyl-amino]-propionic acid