(E)-(S)-4-({(S)-2-[(S)-3-(3,5-Difluoro-phenyl)-3-methyl-2-methylamino-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
反应 15.0h,
生成 (E)-(S)-4-({(S)-2-[(S)-3-(3,5-Difluoro-phenyl)-3-methyl-2-methylamino-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid