title: Uranium(IV) halide (F-, Cl-, Br-, and I-) monoarene complexes.
abstract: The syntheses of four nearly isostructural uranium(IV) monoarene complexes, supported by the arene anchored tris(aryloxide) chelate, [((Ad,Me)ArO)3mes](3-), are reported. Oxidation of the uranium(III) precursor [(((Ad,Me)ArO)3mes)U], 1, in the presence of tetrahydrofuran (THF) results in THF coordination and distortion of the equatorial coordination sphere to afford the uranium(IV) η(6)-arene complexes, [(((Ad,Me)ArO)3mes)U(X)(THF)], 2-X-THF, (where X = F, Cl, Br, or I) as their THF adducts. The solvate-free trigonally ligated [(((Ad,Me)ArO)3mes)U(F)], 2-F, was prepared and isolated in the absence of coordinating solvents for comparison.
authors.affiliation: Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Egerlandstrasse 1, 91058 Erlangen, Germany.
authors.forename: Dominik P
authors.initials: DP
authors.lastname: Halter
authors.forename: Henry S
authors.initials: HS
authors.lastname: La Pierre
authors.forename: Frank W
authors.initials: FW
authors.lastname: Heinemann
authors.forename: Karsten
authors.initials: K
authors.lastname: Meyer