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A Molecular Basis to Rare Earth Separations for Recycling: Tuning TriNOx Ligand Properties for Improved Performance

Abstract

The methoxy-substituted tripodal hydroxylamine ligand, H3TriNOxOMe, was synthesized and coordinated to rare earth cations for separations purposes. Metrics of the resulting complexes were investigated and compared to their parent TriNOx3- counterparts for determination of the molecular basis for the described rare earth separations system. Addition of the electron donating group to the aryl backbone resulted in a more electron rich ligand that increased the equilbrium constant for complex dimerization five-fold. The new separation system yielded efficient Nd/Dy separations in toluene rather than benzene.

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Publication details

The article was received on 04 Jun 2018, accepted on 30 Jul 2018 and first published on 31 Jul 2018


Article type: Communication
DOI: 10.1039/C8CC04409K
Citation: Chem. Commun., 2018, Accepted Manuscript
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    A Molecular Basis to Rare Earth Separations for Recycling: Tuning TriNOx Ligand Properties for Improved Performance

    B. E. Cole, I. B. Falcones, T. Cheisson, B. Manor, P. Carroll and E. J. Schelter, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC04409K

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