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Issue 17, 2019
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Soft-donor dipicolinamide derivatives for selective actinide(III)/lanthanide(III) separation: the role of S- vs. O-donor sites

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Abstract

Selectivity for An(III) vs. Ln(III) binding and extraction using dipicolinamide analogs containing the C[double bond, length as m-dash]O vs. C[double bond, length as m-dash]S groups was investigated in solution and the gas-phase, and by DFT calculations. The results show higher selectivity for complex formation and extraction for Am(III) vs. Eu(III) for the softer dithioamide vs. the diamide ligand, while in CH3CN the diamide binds more strongly than the thioamide to several Ln(III), forming 1 : 1 complexes.

Graphical abstract: Soft-donor dipicolinamide derivatives for selective actinide(iii)/lanthanide(iii) separation: the role of S- vs. O-donor sites

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Publication details

The article was received on 24 Sep 2018, accepted on 30 Jan 2019 and first published on 30 Jan 2019


Article type: Communication
DOI: 10.1039/C8CC07683A
Citation: Chem. Commun., 2019,55, 2441-2444

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    Soft-donor dipicolinamide derivatives for selective actinide(III)/lanthanide(III) separation: the role of S- vs. O-donor sites

    I. Lehman-Andino, J. Su, K. E. Papathanasiou, T. M. Eaton, J. Jian, D. Dan, T. E. Albrecht-Schmitt, C. J. Dares, E. R. Batista, P. Yang, J. K. Gibson and K. Kavallieratos, Chem. Commun., 2019, 55, 2441
    DOI: 10.1039/C8CC07683A

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