2-benzothiazol-2-yl-5-(5-bromothiophen-2-yl)-4-[1-dimethylaminomethylidene]-2,4-dihydropyrazol-3-one                                                                                                                                                                                              以
                                                                                         
氨   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以to give 241 mg (0.59 mmol, 99%) of 4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(5-bromothiophen-2-yl)-2,4-dihydropyrazol-3-one的产率得到4-[1-aminomethylidene]-2-benzothiazol-2-yl-5-(5-bromothiophen-2-yl)-2,4-dihydropyrazol-3-one