1,3-二苯基异苯并呋喃   、                                                                                      
Azulene-1,5-quinone                                                                                                                                                                                              以
                                                                                         
1,2-二氯乙烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以40%的产率得到rac-(5R,6S,10S,15R,16R,17S)-5,10,15,17-tetraphenyl-5,6,9a,10,15,15a,16,17-octahydro-9H-5,17:10,15-diepoxy-6,16-methanobenzo[7',8']cyclodeca[1',2':3,4]cyclopenta[1,2-b]naphthalene-9,19-dione