(1S,5S,1'S,2'S)-1-acetoxy-5-[2,3-bis(benzyloxy)-1-tert-butoxycarbonylaminopropyl]cyclopent-2-ene 、
甲基溴化镁 在
CuCN 作用下,
以
乙醚 为溶剂,
反应 1.5h,
生成 (1S,2S,1'R,4'S)-tert-butyl [2,3-bis(benzyloxy)-1-(4'-methylcyclopent-2'-enyl)propyl]carbamate 、 (1S,2S,1'R,4'R)-tert-butyl [2,3-bis(benzyloxy)-1-(4'-methylcyclopent-2'-enyl)propyl]carbamate