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Heteropolyanion-Based Ionic Liquids: Reaction-Induced Self-Separation Catalysts for Esterification

Leng, Yan ; Wang, Jun ; Zhu, Dunru ; Ren, Xiaoqian ; Ge, Hanqing ; Shen, Lei

Angewandte Chemie (International ed.), 2009-01, Vol.48 (1), p.168-171 [Periódico revisado por pares]

Weinheim: WILEY-VCH Verlag

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  • Título:
    Heteropolyanion-Based Ionic Liquids: Reaction-Induced Self-Separation Catalysts for Esterification
  • Autor: Leng, Yan ; Wang, Jun ; Zhu, Dunru ; Ren, Xiaoqian ; Ge, Hanqing ; Shen, Lei
  • Assuntos: Anions - chemistry ; biphasic catalysis ; Catalysis ; Citric Acid - chemistry ; Esterification ; heterogeneous catalysis ; homogeneous catalysis ; ionic liquids ; Ionic Liquids - chemistry ; Molecular Structure ; phase-transfer catalysis
  • É parte de: Angewandte Chemie (International ed.), 2009-01, Vol.48 (1), p.168-171
  • Notas: "Qinglan" Project of Jiangsu Province for Young Researchers
    istex:E22F08511AC72C5878EAAFA14AB460991F02624A
    ark:/67375/WNG-6P8T7GH8-L
    We thank the National Natural Science Foundation of China (grant nos. 20476046, 20771059) and the "Qinglan" Project of Jiangsu Province for Young Researchers.
    National Natural Science Foundation of China - No. 20476046; No. 20771059
    ArticleID:ANIE200803567
    We thank the National Natural Science Foundation of China (grant nos. 20476046, 20771059) and the “Qinglan” Project of Jiangsu Province for Young Researchers.
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  • Descrição: It comes out in the wash: In the esterification of citric acid with n‐butanol, heteropolyanion‐based ionic liquid (IL) catalysts show high catalytic activity, self‐separation, and easy reuse. The good solubility in reactants, nonmiscibility with ester product, and high melting point of the IL catalysts enable the reaction‐induced switching from homogeneous (b in the picture) to heterogeneous (c) with subsequent precipitation of the catalyst (d).
  • Editor: Weinheim: WILEY-VCH Verlag
  • Idioma: Inglês

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