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Amino-functionalized Ionic Liquid as an Efficient and Recyclable Catalyst for Knoevenagel Reactions in Water

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Abstract

The Knoevenagel condensation of aromatic aldehydes with malononitrile and ethyl cyanoacetate using amino-functionalized ionic liquid, 1-aminoethyl-3-methylimidazolium hexafluorophosphate as catalyst was successfully performed in aqueous media. The catalyst can be recycled and reused at least six times without apparently loss of activity.

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Authors and Affiliations

  1. Shanghai Key Laboratory of Chemical Biology, Institute of Pesticides & pharmaceuticals, East China University of Science and Technology, Shanghai, 200237, China

    Yueqin Cai, Yanqing Peng & Gonghua Song

Authors
  1. Yueqin Cai
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  2. Yanqing Peng
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  3. Gonghua Song
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Correspondence to Gonghua Song.

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Cai, Y., Peng, Y. & Song, G. Amino-functionalized Ionic Liquid as an Efficient and Recyclable Catalyst for Knoevenagel Reactions in Water. Catal Lett 109, 61–64 (2006). https://doi.org/10.1007/s10562-006-0057-3

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  • DOI: https://doi.org/10.1007/s10562-006-0057-3

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