发明授权
- 专利标题: Method for manufacturing trimellitic anhydride aryl ester
- 专利标题(中): 偏苯三酸酐芳基酯的制备方法
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申请号: US13140564申请日: 2009-12-22
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公开(公告)号: US08563751B2公开(公告)日: 2013-10-22
- 发明人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
- 申请人: Tomoya Yamamoto , Seiji Kawano , Kouji Muragaki
- 申请人地址: JP Tokyo
- 专利权人: Honshu Chemical Industry Co., Ltd.
- 当前专利权人: Honshu Chemical Industry Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Knobbe, Martens, Olson & Bear LLP
- 优先权: JP2008-325951 20081222
- 国际申请: PCT/JP2009/071299 WO 20091222
- 国际公布: WO2010/074065 WO 20100701
- 主分类号: C07D307/89
- IPC分类号: C07D307/89 ; C07D407/10
摘要:
Disclosed is a method for manufacturing a trimellitic anhydride aryl ester in an efficient, high-yielding manner, wherein carboxylic acid lithium salt is used as a catalyst when a carboxylic acid aryl ester and trimellitic anhydride are caused to undergo an ester exchange reaction to manufacture a trimellitic anhydride aryl ester.
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