Synthesis of Trimethyltriazacyclohexane (Me 3 tach) Sandwich Complexes of Uranium, Neptunium, and Plutonium Triiodides: (Me 3 tach) 2 AnI 3

1,3,5-Trimethyl-1,3,5-triazacyclohexane (Me tach) readily complexes uranium triiodide to form (Me tach) UI . The complex is soluble in THF and arenes and can function as a source of UI to form organometallic U(III) complexes. When dissolved in pyridine (py), (Me tach) UI forms (Me tach)UI (py) . A r...

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Bibliographic Details
Published in:Inorganic chemistry 2023-04, Vol.62 (15), p.5897-5905
Main Authors: Wedal, Justin C, Murillo, Jesse, Ziller, Joseph W, Scott, Brian L, Gaunt, Andrew J, Evans, William J
Format: Article
Language:English
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Summary:1,3,5-Trimethyl-1,3,5-triazacyclohexane (Me tach) readily complexes uranium triiodide to form (Me tach) UI . The complex is soluble in THF and arenes and can function as a source of UI to form organometallic U(III) complexes. When dissolved in pyridine (py), (Me tach) UI forms (Me tach)UI (py) . A related complex with the larger 1,4,7-trimethyl-1,4,7-triazacyclononane (Me tacn) ligand, namely (Me tacn)UI (THF), was synthesized for comparison. Since X-ray quality crystals of (Me tach) UI can be synthesized in high yield even with small-scale reactions, the system is ideal for extension to transuranium elements. Accordingly, the neptunium and plutonium complexes (Me tach) NpI and (Me tach) PuI were synthesized in an analogous manner from NpI (THF) and PuI (THF) , respectively.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.2c03306