benzyl 5-[(2S)-2-[[(2S)-1-[(1R,2S,5S)-2-methoxycarbonyl-6,6-dimethyl-3-azabicyclo[3.1.0]hexan-3-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamoylamino]-3,3-dimethylbutyl]-1,1-dioxo-1,2,5-thiadiazolidine-2-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以94%的产率得到methyl (1R,2S,5S)-3-[(2S)-2-[[(2S)-1-(1,1-dioxo-1,2,5-thiadiazolidin-2-yl)-3,3-dimethylbutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate