(1aS,1bR,2aR,5aR,6aR,7aR)-1b-Methyl-5,7-dimethylene-decahydro-3-oxa-cyclopropa[a]-s-indacen-4-one                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                以6 mg的产率得到(1aS,1bR,3R,4R,5aR,6aR)-4-(2-Hydroxy-1-methyl-ethyl)-1b-methyl-6-methylene-decahydro-cyclopropa[a]inden-3-ol