(R)-N-(benzyloxy)-N-(3-((2-(1-(2-fluoro-6-(trifluoromethyl)benzyl)-2,4-dioxo-1'-((5-(trifluoromethyl)furan-2-yl)methyl)-1H-spiro[furo[3,4-d]pyrimidine-5,4'-piperidin]-3(2H,4H,7H)-yl)-1-phenylethyl)amino)propyl)formamide 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以26%的产率得到(R)-N-(3-((2-(1-(2-fluoro-6-(trifluoromethyl)benzyl)-2,4-dioxo-1'-((5-(trifluoromethyl)furan-2-yl)methyl)-1H-spiro[furo[3,4-d]pyrimidine-5,4'-piperidin]-3 (2H,4H,7H)-yl)-1-phenylethyl)amino)propyl)-N-hydroxyformamide