[Br:1][C:2]1[NH:6][CH:5]=[N:4][CH:3]=1.C([O-])([O-])=O.[K+].[K+].Cl[CH2:14][C:15]1[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[CH:17][CH:16]=1.ClCCl>CN(C=O)C>[CH3:22][O:21][C:18]1[CH:19]=[CH:20][C:15]([CH2:14][N:4]2[CH:3]=[C:2]([Br:1])[N:6]=[CH:5]2)=[CH:16][CH:17]=1To a suspension of 5-bromo-1H-imidazole (10 g, 68.5 mmol) and K2CO3 (37.8 g, 274 mmol) in DMF (100 mL) was added 1-(chloromethyl)-4-methoxybenzene (11.8 g, 75.4 mmol) dropwise at room temperature. The resulting mixture was stirred for 16 hours, and then dichloromethane (DCM) was added. The mixture was successively washed with water and brine, dried and concentrated to give a residue that was purified by column chromatography to afford 12.3 g of the desired compound as a solid. LC-MS: m/z 267 (M+H+).
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