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    • 95. 发明公开
    • Process for the synthesis of fluorinated sulphonic acids
    • Verfahren zur Herstellung von fluoriertenSulfonsäureverbindungen
    • EP0727415A1
    • 1996-08-21
    • EP96101465.1
    • 1996-02-02
    • Haldor Topsoe A/S
    • Hommeltoft, Sven IvarEkelund, OleZavilla, John
    • C07C309/06C07C303/32C07C303/44
    • C07C303/32C07C309/06
    • Process for the preparation of a fluorinated sulphonic acid compound by hydrolysis of a corresponding fluorinated sulphonyl fluoride, wherein the hydrolysis is carried out in the presence of a tertiary amine, comprising steps of recovering a mixture of a salt of hydrolysed fluorinated sulphonyl fluoride with the tertiary amine and an ammonium fluoride salt of the tertiary amine;
         reacting the salt mixture with a sulphonyl compound of the general formula R-SO 2 X, wherein

      R = an alkyl group, Cl, F; and
      X = Br, Cl
      thereby exchanging fluoride of the ammonium fluoride salt in the mixture with the X atom of the sulphonyl compound and converting the sulphonyl compound to a sulphonyl fluoride; and
         distilling off the sulphonyl fluoride from the reacted salt mixture.
    • 通过水解相应的氟化磺酰氟制备氟化磺酸化合物的方法,其中水解在叔胺存在下进行,包括以下步骤:将水解的氟化磺酰氟盐与三级 胺和叔胺的氟化铵盐; 使盐混合物与通式为R-SO 2 X的磺酰化合物反应,其中R =烷基,Cl,F; 和X = Br,Cl,从而将氟化铵与磺酰化合物的X原子交换在混合物中,并将磺酰基化合物转化为磺酰氟; 并从反应的盐混合物中蒸馏出磺酰氟。