tert-butyl (S)-14(2S,4R)-4-(1-allyl-1H-benzo[d]imidazol-2-yloxy)-(24(1R,2R)-2-(ethyl-1-(1-(pent-4-enyl)cyclopropylsulfonylcarbamoyl)cyclopropylcarbamoyl)pyrrolidin-1-yl)-3,3-dimethyl-1-oxobutan-2-ylcarbamate 在
Zhan catalyst 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以46.9%的产率得到tert-butyl ((S)-1-((1R,2R,3'R,5'S)-2-ethyl-9',9'-dioxido-4',7'-dioxodispiro[cyclopropane-1,6'-2-oxa-9-thia-5,8-diaza-1(2,1)-benzo[d]imidazola-3(3,5)-pyrrolidinacyclohexadecaphanene-10',1''-cyclopropan]-14'-en-1'-yl)-3,3-dimethyl-1-oxobutan-2-yl)carbamate