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Dalton Transactions

The international journal for inorganic, organometallic and bioinorganic chemistry



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Dalton Trans., 2008, 6121 - 6126, DOI: 10.1039/b809184f

Reactivity of UH3 with mild oxidants

David D. Schnaars, Guang Wu and Trevor W. Hayton

Addition of 2 equiv of I2 to a stirring suspension of UH3 in Et2O results in vigorous gas evolution and the formation of UI4(OEt2)2 ( 1), which can be isolated in good yields as an air- and moisture-sensitive brick-red powder. Addition of 3 equiv of AgBr to UH3 in DME produces UBr3(DME)2 ( 2), while addition of 4 equiv of AgX to UH3 in DME–CH2Cl2 provides UX4(DME)2 (X = Br, 3; Cl, 4). Similarly, the reaction of 4 equiv of AgOTf with UH3 in neat DME generates U(OTf)4(DME)2 ( 5). Each of these reactions proceeds with the evolution of hydrogen. Complex 1 can also be generated by reaction of 4 equiv of Me3SiI with UCl4 in Et2O. All complexes were fully characterized, including analysis by X-ray crystallography.

Graphical abstract image for this article (ID: b809184f)