Abstract
Alkoxide, hydroxide and μ-oxo complexes of U(IV) have been synthesized by (a) the reaction of alcohols, ketones and water with hydride or borohydride derivatives, (b) the coupling reaction of ketones with UCl 4 in the presence of sodium amalgam; (c) the reduction of CO 2 by [U(C 5H 4SiMe 3) 3] or [U(C 5H 4SiMe 3) 3H]; (d) the deoxygenation of CO by [U(C 5H 5) 3R] complexes; and (e) condensation reactions of alkoxide and hydroxide compounds. Thiolate complexes were made by the treatment of uranium borohydride or hydride compounds with thiols. The reaction of UCl 4 with NaSR reagents afforded the homoleptic thiolate complexes [(THF) 3Na(μ-SR) 3U(μ-SR) 3Na(THF) 3]. Amide compounds, including U(V) derivatives, were prepared from U(NEt 2) 4.
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