(1R,2R,6R,7S)-1,2,4,7-tetramethyl-5,6,8,9-tetraphenyltricyclo[5.2.1.02,6]deca-4,8-diene-3,10-dione                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 96.0h,
                                                                                                                以80%的产率得到(3aR,4S,7R,7aR)-2,4,7,7a-Tetramethyl-3,3a,5,6-tetraphenyl-3a,4,7,7a-tetrahydro-1H-4,7-methano-indene-1,8-diol