2-[(2S)-2-isocyanato-3,3-dimethylbutyl]-5-propan-2-yl-1,2,5-thiadiazolidine 1,1-dioxide 、 (1R,2S,5S)-3-[(2S)-2-amino-3,3-dimethylbutanoyl]-N-[1-cyclopropyl-3,4-dioxo-4-(prop-2-enylamino)butan-2-yl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide;hydrochloride 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以40%的产率得到(1R,2S,5S)-N-[1-cyclopropyl-3,4-dioxo-4-(prop-2-enylamino)butan-2-yl]-3-[(2S)-2-[[(2S)-1-(1,1-dioxo-5-propan-2-yl-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-carboxamide