发明授权
- 专利标题： Process for the preparation of copper quinolinate
- 专利标题（中）： 制备喹啉铜的方法
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申请号： US177694申请日： 1980-08-12
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公开(公告)号： US4316026A公开(公告)日： 1982-02-16
- 发明人: Yoshihiro Hatano , Seishi Ikegami , Kenji Itoh , Mansuke Matsumoto
- 申请人： Yoshihiro Hatano , Seishi Ikegami , Kenji Itoh , Mansuke Matsumoto
- 申请人地址： JPX Yao
- 专利权人： Yamamoto Kagaku Gosei Co., Ltd.
- 当前专利权人： Yamamoto Kagaku Gosei Co., Ltd.
- 当前专利权人地址： JPX Yao
- 优先权： JPX54-102756 19790814
- 主分类号： C07D213/80
- IPC分类号： C07D213/80 ; C07D213/807 ; C07F1/08
摘要：
A process for the preparation of copper quinolinate in which quinoline is oxidized by hydrogen peroxide in 10 to 30% sulfuric acid in the presence of copper sulfate at a temperature of 55.degree. to 75.degree. C., the molar ratio of sulfuric acid to quinoline being greater than 1:1. The concentration and amount of sulfuric acid enable greater control of the reaction temperature and result in copper quinolate in improved yield and purity.Copper quinolinate is used to prepare quinolinic acid which is the starting material for some chromogenic materials used in the pressure-sensitive record material field.
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