[Br:1][C:2]1[CH:3]=[C:4]([C:9](=[O:11])[CH3:10])[CH:5]=[CH:6][C:7]=1F.[CH3:12][S-:13].[Na+]>CC(N(C)C)=O.O>[Br:1][C:2]1[CH:3]=[C:4]([C:9](=[O:11])[CH3:10])[CH:5]=[CH:6][C:7]=1[S:13][CH3:12]The 1-(3-bromo-4-fluorophenyl)ethanone (2.00 g, 9.20 mmol) and sodium thiomethoxide (0.710 g, 10.1 mmol) was dissolved in dimethylacetamide (4.6 mL) and the slurry was heated at 120° C. in a microwave reactor for 1 h. The reaction mixture was diluted with water (30 mL) and the mixture was extracted with EtOAc (2×100 mL). The combined organic layers were washed with water (1×75 mL) and dried over magnesium sulfate. The crude product was purified by medium pressure chromatography (silica gel, 0 to 75% EtOAc:hexanes) to give 1-(3-bromo-4-(methylthio)phenyl)ethanone. Mass Spectrum (ESI) m/e=245.1 (M+1).
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