2,3-二氨基吡啶   、                                                                                      
N-(4-chlorophenyl)-6-chloro-3-methylthio-1,1-dioxo-1,4,2-benzodithiazine-7-carboxamide                                                                                                                                                              在
                                                                                                                                                                                 
4-二甲氨基吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 50.0h,
                                                                                                                以65%的产率得到2-chloro-4-[[5-chloro-4-[(4-chlorophenyl)carbamoyl]-2-(1H-imidazo[4,5-b]pyridin-2-ylsulfamoyl)phenyl]disulfanyl]-N-(4-chlorophenyl)-5-(1H-imidazo[4,5-b]pyridin-2-ylsulfamoyl)benzamide