[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[C:4](F)[CH:3]=1.[C:12]1([OH:18])[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1.C(=O)([O-])[O-].[K+].[K+].O>CS(C)=O.C(OCC)C>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[C:4]([O:18][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:3]=14-chloro-2-fluoro-nitrobenzene (500 mg), phenol (270 mg), and potassium carbonate (400 mg) were dissolved in dimethyl sulfoxide (10 ml), and stirred at room temperature for 2 hours. The mixture was added with water and ethyl ether to extract an organic layer. The resulting organic layer was washed with saturated brine, and water was removed with sodium sulfate, and the solvent was removed by distillation under reduced pressure. The yellow target compound obtained by removing the solvent was used in the subsequent reaction without further purification (500 mg).
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