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Issue 9, 2010
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A new class of cationic cyclodextrins: synthesis and chemico-physical properties

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Abstract

A new class of positively charged triazole-bridged β-cyclodextrin (β-CD) derivatives have been synthesized in excellent yields (over 70%) through a copper-catalyzed azide-alkyne cycloaddition (CuAAC), starting from 6I-azido-6I-deoxy-β-CD or its permethylated derivative and a series of 1-butyl-3-alkynylimidazolium salts. The regioselective azide/alkyne [3 + 2] cycloaddition was efficiently carried out using metallic copper as the catalyst, affording very clean products. Easy access to such hybrid molecules that combine the properties of CDs and ionic liquids, may pave the way to a number of new applications in analytical chemistry and catalysis.

Graphical abstract: A new class of cationic cyclodextrins: synthesis and chemico-physical properties

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Publication details

The article was received on 12 Jan 2010, accepted on 13 Apr 2010 and first published on 21 May 2010


Article type: Paper
DOI: 10.1039/C0NJ00021C
Citation: New J. Chem., 2010,34, 2013-2019
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    A new class of cationic cyclodextrins: synthesis and chemico-physical properties

    L. Boffa, E. C. Gaudino, K. Martina, L. Jicsinszky and G. Cravotto, New J. Chem., 2010, 34, 2013
    DOI: 10.1039/C0NJ00021C

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