Stannous Chloride → 3-[2-(2,2-Difluoro-benzo[1,3]dioxol-4-yl)-2H-pyrazol-3-yl]-1-(4-trifluoromethoxy-phenyl)-1H-pyridazin-4-one

Reaction equation

CN(C)/[CH:3]=[CH:4]/[C:5]([C:7]1[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]2[CH:19]=[CH:18][C:17]([O:20][C:21]([F:24])([F:23])[F:22])=[CH:16][CH:15]=2)[N:8]=1)=O.[F:26][C:27]1([F:38])[O:31][C:30]2[CH:32]=[CH:33][CH:34]=[C:35]([NH:36][NH2:37])[C:29]=2[O:28]1.N([O-])=O.[Na+].[Sn](Cl)Cl>>[F:38][C:27]1([F:26])[O:31][C:30]2[CH:32]=[CH:33][CH:34]=[C:35]([N:36]3[C:5]([C:7]4[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]5[CH:19]=[CH:18][C:17]([O:20][C:21]([F:23])([F:22])[F:24])=[CH:16][CH:15]=5)[N:8]=4)=[CH:4][CH:3]=[N:37]3)[C:29]=2[O:28]1