2-[2-(7-hydroxy-1-phenyl-5-sulfanylidene-6H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,3-thiazol-4-yl]benzo[f]chromen-3-one   、                                                                                      
ethyl (phenylhydrazono)chloroacetate                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 10.0h,
                                                                                                                以69%的产率得到Ethyl 2-oxo-6-[4-(3-oxobenzo[f]chromen-2-yl)-1,3-thiazol-2-yl]-4,10-diphenyl-1,4,5,8,10,11-hexazatricyclo[7.3.0.03,7]dodeca-3(7),5,8,11-tetraene-12-carboxylate