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US4692281A Carboxytetralinephosphonic acids and process for making them 失效
羧基四氢磷酸及其制备方法

  • 专利标题: Carboxytetralinephosphonic acids and process for making them
  • 专利标题(中): 羧基四氢磷酸及其制备方法
  • 申请号: US859077
    申请日: 1986-05-02
  • 公开(公告)号: US4692281A
    公开(公告)日: 1987-09-08
  • 发明人: Werner Pieper
  • 申请人: Werner Pieper
  • 申请人地址: DEX
  • 专利权人: Hoechst Aktiengesellschaft
  • 当前专利权人: Hoechst Aktiengesellschaft
  • 当前专利权人地址: DEX
  • 优先权: DEX3517970 19850518
  • 主分类号: C07F9/38
  • IPC分类号: C07F9/38 C07F9/40
Carboxytetralinephosphonic acids and process for making them
摘要:
Novel mono- or dicarboxytetralinephosphonic acids of the general formula I ##STR1## in which R stands for hydrogen or an alkyl group,X stands for hydrogen or a carboxylic group, andY stands for hydrogen or an alkyl group are made by reacting 1-phenylvinyl-1-phosphonic acid with an unsaturated carboxylic acid of formula II ##STR2## or with its anhydride.
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