benzyl (2S,5S)-2-[[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]methyl]-5-(5-oxo-1H-1,2,4-triazol-4-yl)-2-phenyl-5-prop-2-enoylpiperidine-1-carboxylate 在
palladium(II) hydroxide/carbon
氢气 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以88%的产率得到4-[(3S,6S)-6-[[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]methyl]-6-phenyl-3-propanoylpiperidin-3-yl]-1H-1,2,4-triazol-5-one