benzyl (3S,3aS,6aR)-2-[(2S)-2-[[(2S)-1-(4,4-dimethyl-2,6-dioxopiperidin-1-yl)-3,3-dimethylbutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxylate 在
palladium(II) hydroxide/carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
以98%的产率得到(3S,3aS,6aR)-2-[(2S)-2-[[(2S)-1-(4,4-dimethyl-2,6-dioxopiperidin-1-yl)-3,3-dimethylbutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxylic acid