(S)-2-benzyloxycarbonylamino-4-[(1S,2R)-2-(2,5-dimethoxyphenyl)-2-hydroxy-1-methyl-ethylcarbamoyl]butyric acid benzyl ester 在
钯 氢气 、
甲醇 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以gave (2S)-2-Amino-4-[(1S,2R)-2-(2,5-dimethoxyphenyl)-2-hydroxy-1-methyl-ethylcarbamoyl]butyric acid {gamma-L-glutamyl-1R,2S-methoxamine} (1.0 g, 72% yield) as a solid的产率得到(S)-2-amino-4-[(1S,2R)-2-(2,5-dimethoxyphenyl)-2-hydroxy-1-methyl-ethylcarbamoyl]butyric acid