rel-(1S,5S,8S)-1,1-dimethylethyl 5-<8-iodo-7-oxo-1-methyl-6-oxabicyclo<3.2.1>oct-2-en-5-yl>-2(E)-pentanoate 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
苯 为溶剂,
生成 rel-(1R,3aS,7R,7aR)-1,1-dimethylethyl 1,2,3,4,7,7a-hexahydro-7-methyl-8-oxo-3a,7-(epoxymethano)-3aH-indene-1-acetate 、
rel-(1S,3aS,7R,7aR)-1,1-dimethylethyl 1,2,3,4,7,7a-hexahydro-7-methyl-8-oxo-3a,7-(epoxymethano)-3aH-indene-1-acetate