A new calix[4]arene with three ester groups and an appended naphthalenic fluorophore has been synthesized; investigation of its photophysical and complexing properties towards alkali and alkaline-earth metal ions reveals a high selectivity for Na+ in water–ethanol mixtures.
I. Leray, B. Valeur, F. O’Reilly, J.-L. Habib Jiwan, J.-Ph. Soumillion and B. Valeur, Chem. Commun., 1999, 795 DOI: 10.1039/A900020H
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