2-(2,5,6-Trimethylbenzimidazol-1-yl)ethanamine 、 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 tert-butyl (S)-4-hydroxy-3-((S)-2-isopropyl-4-oxo-4-((2-(2,5,6-trimethyl-1H-benzo[d]imidazol-1-yl)ethyl)amino)butanamido)butanoate