3-(2-Phenoxyethylamino)propanoic acid 、 benzyl (S)-3-(((S)-4-(tert-butoxy)-1-hydroxy-4-oxobutan-2-yl)carbamoyl)-4-methylpentanoate 在
palladium on carbon 、
氢气 作用下,
生成 3-((S)-3-(((S)-4-(tert-butoxy)-1-hydroxy-4-oxobutan-2-yl)carbamoyl)-4-methyl-N-(2-phenoxyethyl)pentanamido)propanoic acid