(3S,4S)-4-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyrylamino]-3-hydroxy-5-(4-hydroxy-phenyl)-pentanoic acid ethyl ester 在
sodium hydroxide 作用下,
生成
carbobenzoxy-L-valyl-L-valyl-(3S,4S)-4-amino-3-hydroxy-5-p-hydroxyphenylpentanoic acid