发明公开
EP0380264A2 Halogenation process 失效
Halogenierungsverfahren。

  • 专利标题: Halogenation process
  • 专利标题(中): Halogenierungsverfahren。
  • 申请号: EP90300625.2
    申请日: 1990-01-22
  • 公开(公告)号: EP0380264A2
    公开(公告)日: 1990-08-01
  • 发明人: Wright, Ian Glaisby
  • 申请人: DowElanco
  • 申请人地址: 9002 Purdue Road Indianapolis, Indiana 46268-1189 US
  • 专利权人: DowElanco
  • 当前专利权人: DowElanco
  • 当前专利权人地址: 9002 Purdue Road Indianapolis, Indiana 46268-1189 US
  • 代理机构: Raynor, John
  • 优先权: US300633 19890123
  • 主分类号: C07D239/90
  • IPC分类号: C07D239/90 C07D239/95 C07D239/94 C07D239/88
Halogenation process
摘要:
A process for preparing nitrogen-containing heterocyclic compounds that are chloro or bromo substi­tuted at a ring position adjacent to the ring nitrogen atom which comprises reacting a hydroxy-substituted start­ing material with the kinetic form of a triphenylphosphite-­halogen complex.
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