(1R,4aS,8aR)-6-[1,3]Dioxan-2-yl-1,4a-dimethyl-5-((E)-2-trimethylsilanyloxy-vinyl)-1,2,3,4,4a,5,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
二甲基硫   、                                                                                                  
臭氧                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
(1R,4aS,8aR)-6-[1,3]Dioxan-2-yl-5-formyl-1,4a-dimethyl-1,2,3,4,4a,5,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester