From BTBPs to BTPhens: The effect of ligand pre-organization on the extraction properties of quadridentate bis-triazine ligands

Frank Lewis, Laurence Harwood, Michael Hudson, Michael Drew, Andreas Wilden, Michal Sypula, Giuseppe Modolo, Trong Vu, Jean Simonin, Geoffrey Vidick, Nouri Bouslimani, Jean Desreux

Research output: Contribution to journalArticlepeer-review

Abstract

The synthesis, lanthanide complexation and solvent extraction of An(III) and Ln(III) radiotracers from nitric acid solutions by a pre-organized, phenanthroline-derived bis-triazine ligand CyMe4-BTPhen are described. It was found that the ligand separated Am(III) and Cm(III) from the lanthanides with remarkably high efficiency, high selectivity, and faster extraction kinetics compared to its 2,2’-bipyridine counterpart CyMe4-BTBP. The origins of the ligands extraction properties were established by a combination of solvent extraction experiments, X-ray crystallography, kinetics and surface tension measurements and lanthanide NMR spectroscopy.
Original languageEnglish
Pages (from-to)231-238
JournalProcedia Chemistry
Volume7
DOIs
Publication statusPublished - 2012

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