1-Bromo-2-Chloroethane → 1,3-Dibromo-2-(2-chloroethoxy)benzene

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A solution comprising 2,6-dibromophenol (3.90 g, 15.00 mmol), potassium carbonate (2.48 g, 17.94 mmol) and DMF (40 ml) was added with 1-bromo-2-chloro ethane (4.30 g, 29.98 mmol) and stirred at room temperature for 16 hours. The reaction solution was concentrated and liquid separation was carried out with ethyl acetate-water. The organic layer was washed with saturated sodium chloride water and dried with anhydrous sodium sulfate. The residue obtained by concentration was purified by silica gel column chromatography (n-hexane) to obtain the target compound (4.75 g, quant.) as a colorless oily substance.

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