2-[(1R,2S)-2-({6-Amino-2-[(S)-1-((S)-2-tert-butoxycarbonylamino-2-carbamoyl-ethylamino)-2-carbamoyl-ethyl]-5-methyl-pyrimidine-4-carbonyl}-amino)-2-carboxy-1-hydroxy-ethyl]-pyrrole-1-carboxylic acid tert-butyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 1.5h,
以73%的产率得到(2S,3R)-2-({6-Amino-2-[(S)-1-((S)-2-tert-butoxycarbonylamino-2-carbamoyl-ethylamino)-2-carbamoyl-ethyl]-5-methyl-pyrimidine-4-carbonyl}-amino)-3-hydroxy-3-(1H-pyrrol-2-yl)-propionic acid