<4-(dimethyl-t-butylsilyloxy)-5-<3'-(dimethyl-t-butylsilyloxy)oct-1'-enyl>cyclopent-2-enyl>acetic acid 在
碘 、
碳酸氢钠 、 potassium iodide 作用下,
以
乙醚 为溶剂,
反应 18.0h,
以82%的产率得到7-endo-(dimethyl-t-butylsilyloxy)-6-exo-<3'-(dimethyl-t-butylsilyloxy)oct-1'-enyl>-8-exo-iodo-2-oxabicyclo<3.3.0>octane-3-one