草酰氯   、                                                                                      
2,2'-[3,3'-bis(4-methylphenyl)-1,1',2,2'-tetrahydro-6,6'-biquinoxaline-2,2'-diylidene]bis[1-(4-methylphenyl)ethanone]                                                                                                                                                                                              以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                                                        以80%的产率得到4,4'-[3,3'-bis(4-methylphenyl)-6,6'-biquinoxaline-2,2'-diyl]bis[5-(4-methylphenyl)-2,3-dihydrofuran-2,3-dione]