(1R,2S,5S)-N-(4-amino-1-cyclopropyl-3,4-dioxobutan-2-yl)-3-[(2S)-2-amino-3,3-dimethylbutanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide;hydrochloride 、 [(1R,2S)-2-isocyanato-1-methoxy-3-methylbutyl]benzene 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
生成
(1R,2S,5S)-N-(4-amino-1-cyclopropyl-3,4-dioxobutan-2-yl)-3-[(2S)-2-[[(1R,2S)-1-methoxy-3-methyl-1-phenylbutan-2-yl]carbamoylamino]-3,3-dimethylbutanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide