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  • 专利标题:   Preparation of 3-nitrophthalic acid for use in synthesis of pharmaceutical intermediates, involves adding 2,3-dimethylnitrobenzene, water, and catalyst to high-pressure reactor, introducing oxygen, and reacting under certain reaction pressure and reaction temperature.
  • 专利号:   CN114591176-A
  • 发明人:   GAO G, ZHENG G, JIANG S, GAO L, ZHANG Q
  • 专利权人:   UNIV JINAN
  • 国际专利分类:   C07C201/12, C07C201/16, C07C205/57
  • 专利详细信息:   CN114591176-A 07 Jun 2022 C07C-201/12 202275 Chinese
  • 申请详细信息:   CN114591176-A CN10225833 09 Mar 2022
  • 优先权号:   CN10225833

▎ 摘　　要

NOVELTY - Preparation of 3-nitrophthalic acid involves adding 2,3-dimethyl nitrobenzene, water, and catalyst to a high-pressure reactor, introducing oxygen, and reacting under certain reaction pressure and reaction temperature. USE - Preparation of 3-nitrophthalic acid for use in synthesis of pharmaceutical intermediates. ADVANTAGE - The method provides 3-nitrophthalic acid having high selectivity under mild reaction conditions, by simple process.