发明授权
- 专利标题: Preparation of 3,5-dichloro-.alpha.-methylstyrene
- 专利标题(中): 3,5-二氯-α-甲基苯乙烯的制备
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申请号: US763094申请日: 1985-08-06
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公开(公告)号: US4594467A公开(公告)日: 1986-06-10
- 发明人: Karl-Wilhelm Henneke , Herbert Diehl , Karlfried Wedemeyer
- 申请人: Karl-Wilhelm Henneke , Herbert Diehl , Karlfried Wedemeyer
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3430020 19840816
- 主分类号: C07C17/25
- IPC分类号: C07C17/25 ; C07C17/00
摘要:
3,5-Dichloro-.alpha.-methylstyrene is prepared from .alpha.-bromo-3,5-dichlorocumene by reaction with alkali metal hydroxide solutions in the presence of phase-transfer catalysts.
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