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    • 94. 发明专利
    • Method for producing perfluoroalkane sulfinate
    • 生产全氟烷烃磺酸盐的方法
    • JP2010053124A
    • 2010-03-11
    • JP2009174338
    • 2009-07-27
    • Central Glass Co Ltdセントラル硝子株式会社
    • MINAMIMEI TSUTOMUKASHIBA TAKASHIMORINAKA TAKAYOSHIKAWAMOTO HIROMIINOUE SUSUMUKUME KOJI
    • C07C313/04
    • C07C313/04Y02P20/582
    • PROBLEM TO BE SOLVED: To provide a method for producing a perfluoroalkane sulfinate useful as an intermediate of medicines and pesticide precursors. SOLUTION: A perfluoroalkane sulfonyl halide is reacted with hydrazine to prepare a hydrazine salt of the perfluoroalkane sulfinic acid (RfSO 2 H N 2 H 4 ). The resultant hydrazine salt is reacted with a base such as a hydroxide of an alkali metal to prepare the perfluoroalkane sulfinate. The resultant sulfinate is reacted with a fluoride of an alkali metal or the like, to crystallize the sulfinate. The resultant sulfinate is added with a halide of an alkali metal or the like to prepare the perfluoroalkane sulfinate of high purity. The production method is very useful because it can produce the perfluoroalkane sulfinate safer and easier on a commercial scale, as compared with conventional technologies, and the method greatly reduce waste products. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供可用作药物和农药前体的中间体的用于制备用于制备全氟烷基亚磺酸盐的方法。 解决方案:将全氟烷基磺酰卤与肼反应以制备全氟烷烃亚磺酸的肼盐(RfSO 2 SBH 2 H SB 3 >)。 所得的肼盐与碱如碱金属的氢氧化物反应以制备亚烷基全氟烷烃。 所得的亚磺酸盐与碱金属等的氟化物反应,使亚磺酸盐结晶。 所得的亚磺酸盐加入碱金属的卤化物等以制备高纯度的全氟烷基亚磺酸盐。 生产方法是非常有用的,因为与常规技术相比,它可以在商业规模上产生更全面,更容易的全氟烷基亚磺酸盐,并且该方法大大减少了废物。 版权所有(C)2010,JPO&INPIT