rel-(1S,5S,8S)-8-iodo-1-(3-methyl-3-butenyl)-5-methoxy-6-oxabicyclo<3.2.1>oct-2-en-7-one 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,4aS,7R,8aR)-1,5,6,7,8,8a-hexahydro-1-methoxy-7-methyl-2H-1,4a-(epoxymethano)naphthalen-9-one 、 rel-(1R,4aS,7S,8aR)-1,5,6,7,8,8a-hexahydro-1-methoxy-7-methyl-2H-1,4a-(epoxymethano)naphthalen-9-one