Journal
SUPRAMOLECULAR CHEMISTRY
Volume 24, Issue 7, Pages 473-480Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10610278.2012.688124
Keywords
triazole; anion binding; coordination complexes; chloride; copper; silver
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Funding
- Diamond Light Source
- Clarendon Fund
- Trinity College
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Four acyclic phenylene-1,3-bis-triazole receptors were synthesised with the heterocyclic motif covalently attached to the central phenyl ring through either the carbon or nitrogen. H-1 NMR titration experiments reveal that all the receptors bind chloride in d(6)-acetone solution with the aryl-substituted systems exhibiting significantly stronger halide association than the alkyl-substituted receptors. Both N-linked systems bind chloride more strongly than their C-linked analogues. Copper(I) and silver(I) cations were also demonstrated to bind to the receptors in solution and in the solid state. Four metal complexes were structurally characterised by X-ray crystallography - in all cases giving interesting polynuclear architectures with a dinuclear silver(I) metallomacrocycle, a trimetallic copper(I) and two tetranuclear silver(I) clusters observed.
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