rel-(1S,5R,8S)-8-iodo-5-<(methylethyl)thio>-1-(3-methyl-3-buten-1-yl)-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                                                 (1R,5R)-5-Isopropylsulfanyl-1-(3-methyl-but-3-enyl)-6-oxa-bicyclo[3.2.1]oct-2-en-7-one   、                                                                                             rel-(1R,4aS,7R,8aR)-1,5,6,7,8,8a-hexahydro-7-methyl-1-<(1-methylethyl)thio>-2H-1,4a-(epoxymethano)naphthalen-9-one   、                                                                                             (1S,4R,6S,7R)-7-Isopropylsulfanyl-4-methyl-12-oxa-tricyclo[5.3.2.0
1,6]dodec-9-en-11-one