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)-1-hydroxy-2-methoxycarbonyl-ethyl]-pyrrole-1-carboxylic acid tert-butyl ester 在
碳酸氢钠 作用下,
以
叔丁醇 为溶剂,
反应 8.0h,
以61%的产率得到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