2-[2-(2,6-Dimethyl-phenoxy)-acetyl]-4-[1-(2-hydroxy-phenyl)-meth-(Z)-ylidene]-5-methyl-2,4-dihydro-pyrazol-3-one                                                                                                                                                              在
                                                                                                                                                                                 
溴                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                                                        以82%的产率得到4-Bromo-4-[bromo-(2-hydroxy-phenyl)-methyl]-2-[2-(2,6-dimethyl-phenoxy)-acetyl]-5-methyl-2,4-dihydro-pyrazol-3-one