[Cl:1][C:2]1[CH:16]=[CH:15][C:5]([CH2:6][O:7][C:8]2[CH:13]=[CH:12][NH:11][C:10](=[O:14])[CH:9]=2)=[CH:4][CH:3]=1.Br[C:18]1[CH:19]=[CH:20][C:21]([N+:26]([O-:28])=[O:27])=[C:22]([CH:25]=1)[NH:23][CH3:24].CNCCNC.C(=O)([O-])[O-].[K+].[K+].N>[Cu](I)I.CS(C)=O>[Cl:1][C:2]1[CH:16]=[CH:15][C:5]([CH2:6][O:7][C:8]2[CH:13]=[CH:12][N:11]([C:18]3[CH:19]=[CH:20][C:21]([N+:26]([O-:28])=[O:27])=[C:22]([NH:23][CH3:24])[CH:25]=3)[C:10](=[O:14])[CH:9]=2)=[CH:4][CH:3]=1A mixture of 4-((4-chlorobenzyl)oxy)pyridin-2(1H)-one (10 g), 5-bromo-N-methyl-2-nitroaniline (9.80 g), N,N′-dimethylethylenediamine (4.76 ml), copper iodide (8.08 g), potassium carbonate (17.59 g) and DMSO (200 ml) was heated at 150° C. for 2 h. The mixture was poured into 28% NH3 solution. The resulting precipitate was collected and washed with IPA. The solid was dissolved in DMSO (100 ml) at 80° C., and allowed to cool to room temperature to give a precipitate. After filtration, the precipitate was washed with IPA and dried to give the title compound (12 g) as a yellow solid.
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