magnesium,pent-1-ene,bromide 、 (1R,6S,7S)-4-[2-(3,4-Dimethoxy-phenyl)-ethyl]-2-trimethylsilanyl-4-aza-tricyclo[5.2.1.0
2,6]dec-8-ene-3,5-dione 以
四氢呋喃 为溶剂,
以75%的产率得到(1R,2R,6S,7S)-4-(3,4-dimethoxyphenethyl)-5-hydroxy-5-(pent-4-enyl)-2-(trimethylsilyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3-one