描述:
(1R,2S,5S)-3-((S)-2-(3-(1-((tert-butylsulfonyl)methyl)cyclohexyl)ureido)-3,3-dimethylbutanoyl)-N-((2S,3S)-1-(cyclopropylamino)-2-hydroxy-1-oxoheptan-3-yl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide 以82.7的产率得到(1R,5S)-3-[2-[[1-(tert-butylsulfonylmethyl)cyclohexyl]carbamoylamino]-3,3-dimethylbutanoyl]-N-[1-(cyclopropylamino)-1,2-dioxoheptan-3-yl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide