tert-butyl 4-[[(3R,4S)-2-oxo-4-phenylmethoxycarbonyl-1-[4-(2,2,3,3-tetramethylcyclopropanecarbonyl)piperazine-1-carbonyl]azetidin-3-yl]methyl]piperidine-1-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 1.0h,
以99%的产率得到(2S,3R)-3-[[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]methyl]-4-oxo-1-[4-(2,2,3,3-tetramethylcyclopropanecarbonyl)piperazine-1-carbonyl]azetidine-2-carboxylic acid