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Ionophoric properties of a tetra-tetrazole functionalised calix[4]arene

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Authors
D'Alessio, Daniel
Skelton, B.
Lengkeek, N.
Fraser, B.
Krause-Heuer, A.
Muzzioli, S.
Stagni, S.
Massi, Max
Ogden, Mark
Date
2015
Type
Journal Article

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D'Alessio, D. and Skelton, B. and Lengkeek, N. and Fraser, B. and Krause-Heuer, A. and Muzzioli, S. and Stagni, S. et al. 2015. Ionophoric properties of a tetra-tetrazole functionalised calix[4]arene. Supramolecular Chemistry. 27 (11-12): pp. 787-791.
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Supramolecular Chemistry
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Department of Chemistry
Remarks

This is an Author's Original Manuscript of an article published by Taylor & Francis in Supramolecular Chemistry on 23/10/2015, available online at <a href="http://www.tandfonline.com/10.1080/10610278.2015.1075536">http://www.tandfonline.com/10.1080/10610278.2015.1075536</a>

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Abstract

© 2015 Taylor & Francis. The synthesis and characterisation of p-t-butylcalix[4]arene functionalised at the lower rim with four tetrazole moieties is reported. The macrocycle is found to be a poorer ionophore for lanthanoid cations than the bis-tetrazole-substituted analogue. Solution-phase photophysical studies strongly suggested that the cations interacted only weakly with the calixarene ligand. A mixed sodium/triethylammonium salt of the calixarene ligand was crystallised in the presence of lanthanoid cations and structurally characterised. Strong intramolecular interactions are hypothesised to be the cause of the observed behaviour.