(1R,3aR,4aR,8aR,8bS)-3a-(tert-Butyl-dimethyl-silanyloxy)-1-methoxymethoxy-8a-methoxymethoxymethyl-6,8b-dimethyl-1,2,3a,4a,7,8,8a,8b-octahydro-benzo[b]cyclopenta[d]furan-3-one                                                                                                                                                              在
                                                                                                                                                                                 
二异丁基氢化铝                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
正己烷   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.33h,
                                                                                                                以68%的产率得到(1R,3aR,4aR,8aR,8bS)-3a-(tert-Butyl-dimethyl-silanyloxy)-1-methoxymethoxy-8a-methoxymethoxymethyl-6,8b-dimethyl-2,3,3a,4a,7,8,8a,8b-octahydro-1H-benzo[b]cyclopenta[d]furan-3-ol