(1R,3S,4aR,7R,8aS)-3-Bromo-7-(1-hydroxy-1-methyl-ethyl)-1,4a-dimethyl-octahydro-naphthalen-2-one                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride   、                                                                                                  
lithium carbonate   、                                                                                                  lithium bromide                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 (1R,2S,4aR,7R,8aS)-7-(1-Hydroxy-1-methyl-ethyl)-1,4a-dimethyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-2-ol