丙烯酰碘 、 2,4,6,8-tetrakis(tert-butoxycarbonyl)-3,7-dimethoxy-1,5-dimethyl-cis-bicyclo<3.3.0>octa-2,6-diene 生成
endo,endo-2,6-di(3-propenyl)-1,5-dimethyl-cis-bicyclo<3.3.0>octane-3,7-dione 、 exo,exo-2,6-di(3-propenyl)-1,5-dimethyl-cis-bicyclo<3.3.0>octane-3,7-dione 、
2,8-di(3-propenyl)-1,5-dimethyl-cis-bicyclo<3.3.0>octane-3,7-dione