4-Nitrophenol → 1-Nitro-4-(2,2,3,3-tetrafluoropropoxy)benzene

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To a solution of 4-nitro phenol (860 mg, 6.1 mmol) in DMF (10 ml) was added potassium carbonate (1.4 g, 10 mmol) and 1,1,2,2-tetrafluoro-3-iodo-propane (500 mg, 2 mmol). The reaction mixture was heated at 100-110° C. for 6 hr, then cooled to room temperature and filtered. The filtrate was diluted with ethyl acetate (100 ml), then washed once with 5% sodium hydroxide solution, several times with water, and finally brine. The organic layer was then dried over anhydrous sodium sulfate, filtered, and evaporated to dryness to give 1-nitro-4-(2,2,3,3-tetrafluoro-propoxy)-benzene (360 mg, 68%) as solid.

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