2,3,4,5-四氯噻吩 1,1-二氧化物   、                                                                                      
12-Methoxytetracyclo<4.4.3.03,11.08,13>trideca-4,9-dien-2,7-dion                                                                                                                                                                                              以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        以20%的产率得到(4aR,4bS,5aR,5bS,9aR,10S,10ar,11ar,12R,12aS)-1,2,3,4,6,7,8,9-octachloro-11-methoxy-4b,5a,5b,9a,10,10a,11,11a,12,12a-decahydro-10,12-methanoindeno[2,1-b]fluorene-5,13(4aH)-dione