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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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Article information


Submitted
22 Mar 2016
Accepted
04 Jun 2016
First published
06 Jun 2016

Chem. Commun., 2016,52, 8802-8805
Article type
Communication

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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