METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]DIOXAPHOSPHEPIN
    40.
    发明申请
    METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]DIOXAPHOSPHEPIN 有权
    生产六氯二苯并[D,F] [1,3,2]二氧磷杂的方法

    公开(公告)号:US20110201837A1

    公开(公告)日:2011-08-18

    申请号:US13123469

    申请日:2009-10-09

    IPC分类号: C07F9/6571

    CPC分类号: C07F9/65744

    摘要: The invention relates to a method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin (formula 1), comprising the following steps: a) addition of liquid 2,2′-dihydroxybiphenyl into a reactor to an excess of phosphorous trichloride under inert gas and stirring; b) discharge and neutralization of the resulting gases from the reaction mixture; c) separation of the excess phosphorous trichloride; d) obtention of 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin.

    摘要翻译: 本发明涉及一种生产6-氯二苯并[d,f] [1,3,2] - 二氧杂磷杂环庚酮(式1)的方法,包括以下步骤:a)将液体2,2'-二羟基联苯加入反应器 在惰性气体和搅拌下过量的三氯化磷; b)从反应混合物中排出和中和所得气体; c)分离过量的三氯化磷; d)获得6-氯二苯并[d,f] [1,3,2] - 二氧杂磷杂环庚烯。