2(S)-2-(pentadecanoylamino)-4-[[3-(2,3-dimethylphenylaminosulphonyl)phenyl]-aminocarbonyl]butyric acid benzyl ester 在
lithium hydroxide 作用下,
以
乙二醇二甲醚 为溶剂,
以87%的产率得到2(S)-2-(pentadecanoylamino)-4-[[3-(2,3-dimethylphenylaminosulphonyl)phenyl]-aminocarbonyl]butyric acid