Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 7, Issue 6, Pages 1147-1153Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b820592b
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- EPFL
- Claude & Giuliana Foundation
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Fluorescent dihydroxypyridine ligands were prepared by attaching pyrene-, dansyl-, and methoxycoumarin-fluorophores via dimethyleneamine linkers. The reaction of these ligands with [(p-cymene) RuCl2](2) or [(C6H5CH2NMe2H)RuCl2](2)Cl-2 resulted in the formation of 12-metallacrown-3 complexes, which possess strong affinity for lithium ions. By a judicious choice of the fluorophore and the arene pi-ligand, a macrocycle was obtained that could be used in aqueous solution to selectively and quantitatively detect lithium ions by fluorescence spectroscopy.
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