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    Preparation of diphenyl disulfide derivative
    8.
    发明专利
    Preparation of diphenyl disulfide derivative 失效
    二苯醚衍生物的制备

    公开(公告)号：JPS5942362A

    公开(公告)日：1984-03-08

    申请号：JP15170382

    申请日：1982-09-02

    申请人： Nippon Tokushu Noyaku Seizo Kk

    发明人： SAITOU JIYUNICHI ,  TAKEMOTO TOSHIYUKI

    IPC分类号： C07C319/24 ,  C07C67/00 ,  C07C313/00 ,  C07C321/24 ,  C07C321/28 ,  C07C323/04 ,  C07C323/09

    摘要： PURPOSE: To obtain a diphenyl disulfide derivative in high yield and purity in reducing benzenesulfonyl chloride to prepare the diphenyl disulfide derivative, by using a substance capable of generating SO
    2 in the anhydrous state and I
    2 , etc.
    CONSTITUTION: Benzenesulfonyl chloride is reduced to prepare a diphenyl disulfide derivative. In the process, an alkali sulfite or thiosulfate is used as a reducing agent in the anhydrous state, or SO
    2 and an adequate amount of water are used. An organic acid or an inert organic solvent containing the organic acid is used as the solvent, and iodine or an iodide is used as a catalyst to give the aimed compound.
    EFFECT: Very inexpensive sulfurous acid, etc. may be used as the reducing agent, and the use of expensive hydrogen iodide is not necessary. There is no fear for pollution of water quality in waste water treatment. The method is very industrially advantageous.
    COPYRIGHT: (C)1984,JPO&Japio

    摘要翻译： 目的：通过使用能够产生无水状态的SO 2的物质和I2等，在还原苯磺酰氯中以高产率和纯度获得二苯基二硫化物衍生物以制备二苯基二硫化物衍生物。构成：将苯磺酰氯还原以制备 二苯基二硫化物衍生物。 在该方法中，碱性亚硫酸盐或硫代硫酸盐用作无水状态的还原剂，或使用SO 2和足够量的水。 使用含有机酸的有机酸或惰性有机溶剂作为溶剂，使用碘或碘化物作为催化剂，得到目标化合物。 效果：非常廉价的亚硫酸等可用作还原剂，并且不需要使用昂贵的碘化氢。 废水处理对水质的污染并不害怕。 该方法在工业上非常有利。