rel-(1S,5S,8S,)-1-(3-butenyl)-8-iodo-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-(1S,4aR,8aR)-1,5,6,7,8,8a-hexahydro-1-methoxy-2H-1,4a-(epoxymethano)naphthalen-9-one   、                                                                                             
(1S,5R)-1-But-3-enyl-5-methoxy-6-oxa-bicyclo[3.2.1]oct-2-en-7-one   、                                                                                             rel-(1R,3aR,7S,7aR)-1,2,3,6,7,7a-hexahydro-7-methoxy-1-methyl-7,3a-(epoxymethano)-3aH-inden-9-one   、                                                                                             rel-(1S,3aR,7S,7aR)-1,2,3,6,7,7a-hexahydro-7-methoxy-1-methyl-7,3a-(epoxymethano)-3aH-inden-9-one