6-cyclopent-1-enyl-5-hydroxy-4-(7-iodo-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-2-(3-methyl-butyl)-2H-pyridazin-3-one   、                                                                                      
肌氨酸   、                                                                                      
甲基磺酰胺   、                                                                                      
Tripotassium;phosphate                                                                                                                                                              在
                                                                                                                                         
碘化亚铜                                                                                                                                                                                                                               氮   、                                                                                                  crude compound   、                                                                                                  
N-{3-[6-cyclopent-1-enyl-5-hydroxy-2-(3-methyl-butyl)-3-oxo-2,3-dihydro-pyridazin-4-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-7-yl}-methanesulfonamide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以to give desired product N-{3-[6-Cyclopent-1-enyl-5-hydroxy-2-(3-methyl-butyl)-3-oxo-2,3-dihydro-pyridazin-4-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[1,2,4]thiadiazin-7-yl}-methanesulfonamide (5b) as yellow solid (29 mg, 30%)的产率得到N-{3-[6-cyclopent-1-enyl-5-hydroxy-2-(3-methyl-butyl)-3-oxo-2,3-dihydro-pyridazin-4-yl]-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-7-yl}-methanesulfonamide