3-p-bromophenyl-2-<1-ethoxycarbonyl-1-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono-2-propylidene>-hydrazino-4(3H)-quinazolinone                                                                                                                                                              在
                                                                                                                                                                                 
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                        反应 2.0h,
                                                                                                                以90%的产率得到3-p-bromophenyl-2-<4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl>-4(3H)-quinazolinone