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Issue 57, 2016
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2,6-Diiminopiperidin-1-ol: an overlooked motif relevant to uranyl and transition metal binding on poly(amidoxime) adsorbents

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Abstract

Glutardiamidoxime, a structural motif on sorbents used in uranium extraction from seawater, was discovered to cyclize in situ at room temperature to 2,6-diimino-piperidin-1-ol in the presence of uranyl nitrate. The new diimino motif was also generated when exposed to competing transition metals Cu(II) and Ni(II). Multinuclear μ-O bridged U(VI), Cu(II), and Ni(II) complexes featuring bound diimino ligands were isolated.

Graphical abstract: 2,6-Diiminopiperidin-1-ol: an overlooked motif relevant to uranyl and transition metal binding on poly(amidoxime) adsorbents

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Publication details

The article was received on 22 Mar 2016, accepted on 04 Jun 2016 and first published on 06 Jun 2016


Article type: Communication
DOI: 10.1039/C6CC02488B
Citation: Chem. Commun., 2016,52, 8802-8805
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    2,6-Diiminopiperidin-1-ol: an overlooked motif relevant to uranyl and transition metal binding on poly(amidoxime) adsorbents

    Z. C. Kennedy, A. J. P. Cardenas, J. F. Corbey and M. G. Warner, Chem. Commun., 2016, 52, 8802
    DOI: 10.1039/C6CC02488B

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