9-(1-methylethylidene)-1,4-dihydro-1,4-methanonaphthalene   、                                                                                      
2,5-diphenyl-3,4-(o,o-biphenylene)furan                                                                                                                                                                                              以
                                                                                         
氯苯                                                                                  为溶剂,
                                                                                                                                                    反应 120.0h,
                                                                                                                以82%的产率得到(9R,9aS,10S,15R,15aR,16S)-9,16-diphenyl-18-(propan-2-ylidene)-9,9a,10,15,15a,16-hexahydro-9,16-epoxy-10,15-methanodibenzo[a,c]tetracene