发明授权
- 专利标题: Preparation of fluorophthalimides
- 专利标题(中): 氟代邻苯二甲酰亚胺的制备
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申请号: US615806申请日: 1984-05-31
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公开(公告)号: US4680412A公开(公告)日: 1987-07-14
- 发明人: Gerhard Hamprecht , Juergen Varwig , Wolfgang Rohr
- 申请人: Gerhard Hamprecht , Juergen Varwig , Wolfgang Rohr
- 申请人地址: DEX
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX3320089 19830603
- 主分类号: C07D209/48
- IPC分类号: C07D209/48
摘要:
Fluorophthalimides are prepared by a process in which a fluorophthalic anhydride is reacted, in the presence of an aliphatic sulfone, with from 0.4 to 0.8 mole of urea per mole of fluorophthalic anhydride, and the reaction is carried out first at 110.degree.-140.degree. C. and then at 150.degree.-170.degree. C.
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