title: New chemistry from an old reagent: mono- and dinuclear macrocyclic uranium(III) complexes from [U(BH4)3(THF)2].
abstract: A new robust and high-yielding synthesis of the valuable U(III) synthon [U(BH4)3(THF)2] is reported. Reactivity in ligand exchange reactions is found to contrast significantly to that of uranium triiodide. This is exemplified by the synthesis and characterization of azamacrocyclic U(III) complexes, including mononuclear [U(BH4)(L)] and dinuclear [Li(THF)4][{U(BH4)}2(μ-BH4)(L(Me))] and [Na(THF)4][{U(BH4)}2(μ-BH4)(L(A))(THF)2]. The structures of all complexes have been determined by single-crystal X-ray diffraction and display two new U(III)2(BH4)3 motifs.
authors.affiliation: EaStCHEM School of Chemistry, University of Edinburgh , The King's Buildings, Edinburgh EH9 3JJ, U. K.
authors.forename: Polly L
authors.initials: PL
authors.lastname: Arnold
authors.forename: Charlotte J
authors.initials: CJ
authors.lastname: Stevens
authors.forename: Joy H
authors.initials: JH
authors.lastname: Farnaby
authors.forename: Michael G
authors.initials: MG
authors.lastname: Gardiner
authors.forename: Gary S
authors.initials: GS
authors.lastname: Nichol
authors.forename: Jason B
authors.initials: JB
authors.lastname: Love