1-(3-phenyl-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutane hydrazide   、                                                                                      
4-methoxy-4-phenyl-1,1,1-trichlorobut-3-en-2-one                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以75%的产率得到1-(5-trifluoromethyl-5-hydroxy-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-4-(5-trichloromethyl-5-hydroxy-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)butane-1,4-dione