发明授权
- 专利标题: IMPROVED PROCESS FOR PREPARING PHENYL CHLOROACETATE
- 专利标题(中): 改进的方法来生产氯醋酸苯酯
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申请号: EP92910303.4申请日: 1992-03-25
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公开(公告)号: EP0577746B1公开(公告)日: 1996-02-28
- 发明人: DUMAS, Donald, Joseph , KRACKOV, Mark, Harry , SONNICHSEN, George, Carl
- 申请人: E.I. DU PONT DE NEMOURS AND COMPANY
- 申请人地址: 1007 Market Street Wilmington Delaware 19898 US
- 专利权人: E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人: E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人地址: 1007 Market Street Wilmington Delaware 19898 US
- 代理机构: Woodcraft, David Charles
- 优先权: US674401 19910325
- 国际公布: WO9216491 19921001
- 主分类号: C07C67/14
- IPC分类号: C07C67/14 ; C07C69/157
摘要:
An improved solvent-free process for preparing phenyl chloroacetate in which chloroacetyl chloride is reacted with phenol in the presence of a catalytic amount of an organic ammonium salt, phosphonium salt, amine, phosphine or amide, is described.
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