Di- and trinuclear copper(II) complexes of polyaza macrocycles and cryptands as anion receptors

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Di- and trinuclear copper(II) complexes of ligands containing several polyamine coordination sites have been widely used as receptors for the recognition of anions. Here, a selection of relevant examples of di- and trinuclear copper(II) complexes of polyamine macrocycles and cryptands based on varied binding units, outlining their behaviour as receptors for binding of anionic substrates, is reviewed. The selected examples are discussed taking into account the anion binding mode, the association strength, the selectivity, and the structural features of the recognition phenomena. A comparison of the advantages and limitations of each receptor design is also undertaken in the perspective of achieving selective recognition of the anionic substrates. (C) 2012 Elsevier Ltd. All rights reserved.
Original languageUnknown
Pages (from-to)25-42
Issue numberNA
Publication statusPublished - 1 Jan 2013

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