Carbonate Ion → 6-Chloro-4-(6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-ylamino)-2-methylpyridazin-3(2H)-one

Reaction equation

[Br:11][c:12]1[c:13](=[O:20])[n:14]([CH3:19])[n:15][c:16]([Cl:18])[cH:17]1.[C:21](=[O:22])([O-:23])[O-:24].[CH2:27]1[O:28][CH2:29][CH2:30][O:31][CH2:32]1.[Cs+:25].[Cs+:26].[n:1]1[c:2]([NH2:10])[cH:3][c:4]2[n:9]1[CH2:8][CH2:7][O:6][CH2:5]2>>[n:1]1[c:2]([NH:10][c:12]2[c:13](=[O:20])[n:14]([CH3:19])[n:15][c:16]([Cl:18])[cH:17]2)[cH:3][c:4]2[n:9]1[CH2:8][CH2:7][O:6][CH2:5]2