(S)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid isopropyl ester trifluoroacetate 在
水 、 sodium hydroxide 作用下,
以
乙醇 为溶剂,
生成
(S)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid trifluoroacetate