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Issue 20, 2006
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Anion-templated assembly of interpenetrated and interlocked structures

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The rational development of a general anion templation strategy for the construction of a variety of interpenetrated and interlocked molecular structures based upon the coupling of anion recognition with ion-pairing is described. The success of this anion templation methodology is demonstrated with the halide anion directed assembly of a series of novel [2]pseudorotaxanes containing pyridinium, pyridinium nicotinamide, imidazolium, benzimidazolium and guanidinium threading components and anion binding macrocyclic ligands. Interlocked [2]rotaxane and [2]catenane molecular structures are also synthesised using this anion templation protocol. These interlocked structures feature unique topologically defined hydrogen bond donating binding domains that exhibit a high degree of selectivity for chloride, the templating anion. A series of rhenium(I) bipyridyl containing [2]pseudorotaxane assemblies and a [2]rotaxane further highlight the potential this strategic anion templation approach has in future chemical sensor design and fabrication.

Graphical abstract: Anion-templated assembly of interpenetrated and interlocked structures

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Publication details

The article was received on 18 Nov 2005, accepted on 19 Jan 2006 and first published on 08 Mar 2006

Article type: Feature Article
DOI: 10.1039/B516435B
Chem. Commun., 2006, 2105-2117

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    Anion-templated assembly of interpenetrated and interlocked structures

    P. D. Beer, M. R. Sambrook and D. Curiel, Chem. Commun., 2006, 2105
    DOI: 10.1039/B516435B

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