2, 6-Diiminopiperidin-1-ol: an overlooked motif relevant to uranyl and transition metal binding on poly(amidoxime) adsorbents. Issue 57 (13th June 2016)

• Record Type: Journal Article
• Authors: Kennedy, Zachary C.; Cardenas, Allan Jay P.; Corbey, Jordan F.; Warner, Marvin G.
• Is Part Of: Chemical communications. Volume 52:Issue 57(2016)
• Page Start: 8802
• Page End: 8805
• Publication Date: 2016-06-13
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1039/c6cc02488b
• Languages: English
• ISSNs: 1359-7345

Abstract

Abstract : We report a new cyclic diimino ligand resulting from glutardiamidoxime cyclization and associated multinuclear complexes with U(vi ), Cu(ii ), and Ni(ii ). 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.