(1R,4aR,7R,10S,12aS)-1-<(tert-butyl)dimethylsilyloxy>perhydro-10-hydroxy-4a,13,13-trimethyl-7,10-methanobenzocyclodecen-5,11(1H,6H)-dione                                                                                                                                                              在
                                                                                                                                                                                 aluminum tri-tert-butoxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以87%的产率得到(4R,4aS,6R,10R,12aR)-4-<(tert-butyl)dimethylsilyloxy>perhydro-6-hydroxy-12a,13,13-trimethyl-6,10-methanobenzocyclodecene-7,12-dione