发明授权
US4861927A Dehydrohalogenation of ring-halogenated .alpha.-halocumenes 失效
环卤代α-卤代烯烃的脱卤化氢

  • 专利标题: Dehydrohalogenation of ring-halogenated .alpha.-halocumenes
  • 专利标题(中): 环卤代α-卤代烯烃的脱卤化氢
  • 申请号: US253455
    申请日: 1988-10-05
  • 公开(公告)号: US4861927A
    公开(公告)日: 1989-08-29
  • 发明人: Mark R. Johnson
  • 申请人: Mark R. Johnson
  • 申请人地址: MI Midland
  • 专利权人: The Dow Chemical Company
  • 当前专利权人: The Dow Chemical Company
  • 当前专利权人地址: MI Midland
  • 主分类号: C07C17/25
  • IPC分类号: C07C17/25
Dehydrohalogenation of ring-halogenated .alpha.-halocumenes
摘要:
A process for preparing ring-halogenated .alpha.-methylstyrenes from the corresponding .alpha.-halocumenes is disclosed. The dehydrohalogenation is accomplished using only water and optionally an organic solvent. The process eliminates the need for added base and a phase-transfer catalyst.
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