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    • 1. 发明专利
    • Method for producing benzoxazinone compound
    • 生产苯甲酸锌化合物的方法
    • JP2009286717A
    • 2009-12-10
    • JP2008139849
    • 2008-05-28
    • Kinkai Kagaku Kk錦海化学株式会社
    • MIYAKE TERUHAYASHI MASAYUKIYOSHIDA MASAYA
    • C07D265/18
    • PROBLEM TO BE SOLVED: To provide a method for producing a benzoxazinone compound.
      SOLUTION: The method for producing a benzoxazinone compound represented by formula (4) (wherein R
      1 and R
      2 are each hydrogen, a hydroxy group, a 1-3C alkyl group, a 1-3C alkoxy group, a 1-3C acyl group, a 1-3C acyloxy group, a 1-3C alkoxycarbonyl group, a halogen, a nitro group or a carboxy group, and X is a halogen) comprises reacting an anthranilic acid derivative with an aromatic dicarboxylic acid dihalogenide in an inert gas stream in an organic solvent to produce an amide compound and thereafter reacting the amide compound with a dehydrating agent.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种苯并恶嗪酮化合物的制备方法。 解决方案:由式(4)表示的苯并恶嗪酮化合物(其中R 1和R 2各自为氢,羟基,1- 3C烷基,1-3C烷氧基,1-3C酰基,1-3C酰氧基,1-3C烷氧基羰基,卤素,硝基或羧基,X是卤素)包括 使邻氨基苯甲酸衍生物与芳族二羧酸二卤化物在惰性气流中在有机溶剂中反应,生成酰胺化合物,然后使酰胺化合物与脱水剂反应。 版权所有(C)2010,JPO&INPIT