二苯甲酰基甲烷   、                                                                                      ethyl 4-[(2Z)-2-bromo-2-[(4-chlorophenyl)hydrazinylidene]acetyl]-5-methyl-1-(4-methylphenyl)pyrazole-3-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
sodium ethanolate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以92%的产率得到4-[4-Benzoyl-1-(4-chloro-phenyl)-5-phenyl-1H-pyrazole-3-carbonyl]-5-methyl-1-p-tolyl-1H-pyrazole-3-carboxylic acid ethyl ester