(S)-4-[(S)-3-Benzyloxy-2-((S)-3-benzyloxy-2-tert-butoxycarbonylamino-propionylamino)-propionylamino]-4-((S)-3-benzyloxycarbonyl-1-methylcarbamoyl-propylcarbamoyl)-butyric acid benzyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 0.5h,
生成 (S)-4-[(S)-2-((S)-2-Amino-3-benzyloxy-propionylamino)-3-benzyloxy-propionylamino]-4-((S)-3-benzyloxycarbonyl-1-methylcarbamoyl-propylcarbamoyl)-butyric acid benzyl ester; compound with trifluoro-acetic acid