2-bromo-1-(5-ethyl-1-phenyl-1H-pyrazol-4-yl)-ethanone   、                                                                                      
3-氨基-4-甲基苯甲酸甲酯                                                                                                                                                              在
                                                                                                                                                                                 
乙醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 22.0h,
                                                                                                                以to provide 3-[2-(5-ethyl-1-phenyl-1H-pyrazol-4-yl)-2-oxo-ethylamino]-4-methyl-benzoic acid methyl ester as a white powder (3.75 g)的产率得到3-[2-(5-ethyl-1-phenyl-1H-pyrazol-4-yl)-2-oxo-ethylamino]-4-methyl-benzoic acid methyl ester