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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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Supplementary files

Article information


Submitted
24 Sep 2018
Accepted
30 Jan 2019
First published
30 Jan 2019

Chem. Commun., 2019,55, 2441-2444
Article type
Communication
Author version available

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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