6-Chloro-8-(4-chlorophenyl)-7-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one → 8-(4-chlorophenyl)-7-(pyridin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazine-3,6(2H,5H)-dione

Reaction equation

Cl[C:2]1[C:3]([C:19]2[CH:24]=[CH:23][N:22]=[CH:21][CH:20]=2)=[C:4]([C:12]2[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][CH:13]=2)[C:5]2[N:6]([C:8](=[O:11])[NH:9][N:10]=2)[N:7]=1.C[Si]([O:29][Si](C)(C)C)(C)C.[K].[Si](O[K])(C)(C)C>C1COCC1>[Cl:18][C:15]1[CH:16]=[CH:17][C:12]([C:4]2[C:5]3[N:6]([C:8](=[O:11])[NH:9][N:10]=3)[NH:7][C:2](=[O:29])[C:3]=2[C:19]2[CH:24]=[CH:23][N:22]=[CH:21][CH:20]=2)=[CH:13][CH:14]=1