[(2aS,2bR,3S,3aR,6R,6aR,6bS)-3-((tert-butyl-dimethyl-silanyloxy)methyl)-3,6b-dimethyl-2a,2b,3,3a,4,5,6,6b-octahydro-cyclopenta[g]cyclopropa[cd]pentalen-6-yl]-methanol                                                                                                                                                              在
                                                                                                                                                                                 
lithium   、                                                                                                  
乙胺   、                                                                                                  
氯化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以96%的产率得到[(1R,3aR,4R,5aS,8aR)-4-(tert-butyl-dimethyl-silanyloxymethyl)-4,5a-dimethyl-1,2,3,3a,4,5,5a,6-octahydro-cyclopenta[c]pentalen-1-yl]-methanol