Journal
CHEMICAL COMMUNICATIONS
Volume 51, Issue 35, Pages 7466-7469Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc01620g
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Funding
- Government of Russian Federation [074-U01]
- state corporation ROSATOM'' [6790-D-2014]
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N,N '-Dialkyl-N,N '-diaryl-1,10-phenanthroline-2,9-dicarboxamides (IV) were predicted (DFT simulation) and then were proved experimentally to be efficient donor ligands with high and unusual selectivity for the extraction separation of lanthanides. Distribution coefficients D of lanthanide cations in two-phase aqueous solution-polar organic solvent decrease with increasing Ln(3+) atomic number. The selectivity factors SFLn1/Ln2 for adjacent lanthanide ions were found to be about 3.
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