Potassium 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate → HCID 178448554, 화합물

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1-Butyl-3-methylimidazolium chloride (Bmim-Cl, 10.0 g) and deionized water (15 ml) were combined at room temperature in a 200 ml flask. At room temperature in a separate 200 ml flask, potassium 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate (TTES-K, 16.4 g) was dissolved in deionized water (90 ml). These two solutions were combined at room temperature and allowed to stir magnetically for 30 min. under positive nitrogen pressure to give a biphasic mixture with the desired ionic liquid as the bottom phase. The layers were separated, and the aqueous phase was extracted with 2×50 ml portions of methylene chloride. The combined organic layers were dried over magnesium sulfate and concentrated in vacuo. The colorless oil product was dried at for 4 hr at 5 Pa and 25 degrees C. to afford 15.0 g of product.

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