Water → Ethyl 4-[[3-chloro-4-(trifluoromethyl)phenoxy]methyl]benzoate

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To a solution of 3-chloro-4-(trifluoromethyl)phenol (110 mg, 0.56 mmol) in DMSO (5.0 mL) was added potassium carbonate (155 mg, 1.1 mmol). The reaction mixture was stirred at room temperature for 10 minutes, before addition of ethyl 4-(bromomethyl)benzoate (136 mg, 0.56 mmol). The resulting mixture was heated to 70° C. with stirring for 3 hours before cooling back to room temperature. Water (50 mL) and EtOAc (50 mL) were added and the layers partitioned. The aqueous layers were washed with EtOAc (2×50 mL) and the combined organic layers dried over magnesium sulfate, filtered and concentrated in vacuo to yield a white solid as the title compound (198 mg, 99%).

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