tert-butyl (S)-3-[(S)-2-[[2-(3-benzyl-ureido)-thiazole-4-carbonyl]-amino]-acetylamino]-N-(tert-butoxycarbonyl-phenyl-methyl)-succinamate 在
溶剂黄146 作用下,
生成
(S)-3-[2-[[2-(3-benzyl-ureido)-thiazole-4-carbonyl]-amino]-acetylamino]-N-[(S)-carboxy-phenyl-methyl)-succinamic acid