3-[bis(methylthio)methylene]-1-[(cyclopropylmethyl)amino]quinoline-2,4(1H, 3H)-dione   、                                                                                      
2-amino-5-(methanesulfonylamino)benzenesulfonamide   、                                                                                      
甲醇   、                                                                                      
乙醚                                                                                                                                                                                              以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to give the title compound (21 mg, 15.5% yield)的产率得到N-(3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl)methanesulfonamide