2-[4-({6-[5-((3aR,6S,6aS)-2-Oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-hexanoylamino}-methyl)-benzoyl]-benzoic acid methyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
以94%的产率得到2-[4-({6-[5-((3aR,6S,6aS)-2-Oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-hexanoylamino}-methyl)-benzoyl]-benzoic acid