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Chinese Journal of Organic Chemistry >

2013 , Vol. 33 >Issue 08: 1791 - 1797

DOI: https://doi.org/10.6023/cjoc201212031

Articles

Efficient and Convenient Synthesis of Ionic Liquid Supported SBA-15 Mesoporous Srganosilica and Its Beneficial Applications in Henry Reaction

  • Zhao Dongwang ,
  • Wu Yuetong ,
  • Chen Tingting ,
  • Dai Liyi ,
  • Wang Yuanyuan
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  • a Department of Chemistry, East China Normal University, Shanghai 200241;
    b Department of Chemistry, Zhengzhou Normal University, Zhengzhou 450044

Received date: 2012-12-20

  Revised date: 2013-02-09

  Online published: 2013-04-07

Supported by

Project supported by the National Natural Science Foundation of China (Nos. 21073064/B030302, 21003049/B030301).

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Abstract

Compared with post-grafting method, a novel and controllable strategy is applied to introduce highly dispersed ionic liquid species into mesoporous SBA-15 silica, providing simpler synthesis steps, more uniform surface coverage and higher loading of ionic liquid, with fewer raw materials. Basic task-specific ionic liquids are synthesized and characterized by X-ray diffraction, N2 adsorption-desorption, thermogravimetry and fourier transform infrared spectroscopy. The results showed that the catalysts, prepared by co-condensation method, have better ordered mesostructure and higher loading of ionic liquid than those by post-grafting approach. Meanwhile, the catalysts exhibit much higher activity than those by post-grafting approach in Knoevenagel condensation. Furthermore, these supported catalysts are also proven to be efficient and reusable in Henry reaction under solvent-free conditions.

Key words： supported catalyst; ionic liquid; SBA-15; Knoevenagel condensation; Henry reaction

Cite this article

Zhao Dongwang , Wu Yuetong , Chen Tingting , Dai Liyi , Wang Yuanyuan . Efficient and Convenient Synthesis of Ionic Liquid Supported SBA-15 Mesoporous Srganosilica and Its Beneficial Applications in Henry Reaction[J]. Chinese Journal of Organic Chemistry, 2013 , 33(08) : 1791 -1797 . DOI: 10.6023/cjoc201212031

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