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有机化学
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有机化学 ›› 2012, Vol. 32 ›› Issue (11): 2193-2197.DOI: 10.6023/cjoc201204020 上一篇    下一篇

研究简报

超声波辐射下离子液体催化合成4-羟基-6-甲基-[1-(苯基亚氨基)乙基]-2H-吡喃-2-酮衍生物

李大庆, 臧洪俊, 吴长春, 卢波, 程博闻   

  1. 天津工业大学环境与化学工程学院 天津改性与功能纤维重点实验室 天津 300387
  • 收稿日期:2012-04-18 修回日期:2012-06-19 发布日期:2012-07-02
  • 通讯作者: 臧洪俊 E-mail:chemhong@126.com
  • 基金资助:

    天津市自然科学基金(No. 11JCZDJC21300)资助项目.

Synthesis of 4-Hydroxy-6-methyl-[(1-phenylimino)ethyl]-2H-pyran-2- one Derivatives Catalyzed by Ionic Liquid [BMIM-HSO3]HSO4 under Ultrasound

Li Daqing, Zang Hongjun, Wu Changchun, Lu Bo, Cheng Bowen   

  1. State Key Laboratory of Hollow Fiber Membrane Material and Processes, Department of Environmental and Chemistry Engineering, Tianjin Polytechnic University, Tianjin 300387
  • Received:2012-04-18 Revised:2012-06-19 Published:2012-07-02
  • Supported by:

    Project supported by the Natural Science Foundation of Tianjin City (No. 11JCZDJC21300).

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1016

以离子液体[BMIM-HSO3]HSO4为催化剂, 在超声波辐射下, 脱氢乙酸与芳香胺反应合成了一系列4-羟基-6-甲基-[1-(苯基亚氨基)乙基]-2H-吡喃-2-酮衍生物. 实验中考察了催化剂、催化剂用量、反应温度、溶剂对反应的影响, 确定了最佳反应条件, 给出了可能的反应机理. 该合成方法具有反应时间短、产率高、环境友好、后处理方便、催化剂可重复使用等优点.

关键词: 离子液体, 超声波, 脱氢乙酸, 胺

4-Hydroxy-6-methyl-[(1-phenylimino)ethyl)]-2H-pyran-2-one derivatives have been synthesized via the reaction of dehydroacetic acid and amine in the presence of the ionic liquid [BMIM-HSO3]HSO4 under ultrasonic irradiation. The effect of catalyst, catalyst amount, reaction temperature and solvent on the yield was investigated. The optimum reaction condition was determined and the possible mechanism was proposed. This method has some distinct advantages such as short reaction time, high yields, environmental friendliness and mild reaction conditions. Moreover, the ionic liquid could be recovered conveniently and reused.

Key words: ionic liquid, ultrasound, dehydroacetic acid, amine