Process for producing polyhalogenated phenols
    2.
    发明授权
    Process for producing polyhalogenated phenols 失效
    生产多卤代酚的方法

    公开(公告)号:US4005151A

    公开(公告)日:1977-01-25

    申请号:US555627

    申请日:1975-03-05

    CPC分类号: C07C37/045 C07C245/20

    摘要: A process for producing polyhalogenated phenol by mixing a polyhalogenated aniline with an aqueous sulfuric acid solution to obtain a suspension of fine particles of polyhalogenated aniline sulfate having the particle size of 50 .mu. or less, diazotizing the polyhalogenated aniline sulfate to obtain polyhalogenate benzenediazonium sulfate, hydrolyzing the resulting benzenediazonium sulfate by heating it as such, recycling to the diazotization step the aqueous sulfuric acid solution from which the desired polyhalogenated phenol has been separated.

    摘要翻译: 通过将多卤代苯胺与硫酸水溶液混合,得到粒径为50μm以下的多卤代苯胺硫酸盐微粒的悬浮液,重氮化多卤代苯胺硫酸盐,得到多卤代苯二氮硫酸盐,水解 通过将其加热得到的重氮化硫酸盐,将所需的多卤代酚分离出来的硫酸水溶液再循环至重氮化步骤。