Potassium Carbonate → 9-Chloro-2-(3,4-dimethoxy-phenylamino)-5H,7H-benzo[b]pyrimido[4,5-d]azepin-6-one

Reaction equation

C([O-])(O)=O.[Na+].C([O-])([O-])=O.[K+].[K+].[Cl:12][C:13]1[CH:14]=[CH:15][C:16]2[C:22](=O)[C:21](=[CH:24]N(C)C)[CH2:20][C:19](=[O:28])[NH:18][C:17]=2[CH:29]=1.[CH3:30][O:31][C:32]1[CH:33]=[C:34]([NH:40][C:41]([NH2:43])=[NH:42])[CH:35]=[CH:36][C:37]=1[O:38][CH3:39]>CCO.CN(C=O)C>[Cl:12][C:13]1[CH:14]=[CH:15][C:16]2[C:22]3[N:42]=[C:41]([NH:40][C:34]4[CH:35]=[CH:36][C:37]([O:38][CH3:39])=[C:32]([O:31][CH3:30])[CH:33]=4)[N:43]=[CH:24][C:21]=3[CH2:20][C:19](=[O:28])[NH:18][C:17]=2[CH:29]=1