(2α,3α,5aβ,7α,9aα)-(+/-)-methyl 7-bromodecahydro-6,6,9a-trimethyl-2-<(phenylmethoxy)methyl>-3-(phenylthio)-1-benzoxepin-3-carboxylate   、                                                                                      
(2α,3β,5aβ,7α,9aα)-(+/-)-methyl 7-bromodecahydro-6,6,9a-trimethyl-2-<(phenylmethoxy)methyl>-3-(phenylthio)-1-benzoxepin-3-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氘代氯仿                                                                                  为溶剂,
                                                                                                                                                                                        以65%的产率得到(2α,5aβ,7α,9aα)-(+/-)-methyl 7-bromo-2,5,5a,6,7,8,9,9a-octahydro-6,6,9a-trimethyl-2-<(phenylmethoxy)methyl>-1-benzoxepin-3-carboxylate