({3-[(S)-4-{3,5-Bis-[(bis-ethoxycarbonylmethyl-amino)-methyl]-benzoylamino}-1-(4-sulfamoyl-benzylcarbamoyl)-butylcarbamoyl]-5-[(bis-ethoxycarbonylmethyl-amino)-methyl]-benzyl}-ethoxycarbonylmethyl-amino)-acetic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 、
甲醇 、
二氯甲烷 为溶剂,
反应 12.0h,
以98%的产率得到2-[[3-[[(4S)-4-[[3,5-bis[[bis(carboxymethyl)amino]methyl]benzoyl]amino]-5-oxo-5-[(4-sulfamoylphenyl)methylamino]pentyl]carbamoyl]-5-[[bis(carboxymethyl)amino]methyl]phenyl]methyl-(carboxymethyl)amino]acetic acid