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Dalton Trans. 2010 Nov 07;39(41):9897-903. doi: 10.1039/c0dt00773k. Epub 2010 Sep 17.

Synthesis and comparative anion binding profiles of two di-aqua Eu(III) complexes.

Dalton transactions (Cambridge, England : 2003)

Daniela Imperio, Giovanni B Giovenzana, Ga-Lai Law, David Parker, James W Walton

Affiliations

  1. Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK.

PMID: 20848045 DOI: 10.1039/c0dt00773k

Abstract

Two di-aqua Eu(iii) complexes of heptadentate ligands are reported that show differing reactivity profiles towards various anions; a cationic complex with two azaxanthone moieties exhibits pronounced selectivity towards bicarbonate with an affinity constant, logK = 2.65 (295 K, 0.1 M NaCl).

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