Synthesis and structural characterisation of lanthanide and actinide phosphaorganometallic complexes derived from the 3,5-di-tert-butyl-1,2,4-triphospholyl ring anion, P3C2But−2: Crystal and molecular structures of [M(η5-P3C2But2)2(η2-P3C2But2)] (M = Sc, Y, Tm, and U)

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Clentsmith, Guy K B, Cloke, F Geoffrey N, Francis, Matthew D, Hanks, John R, Hitchcock, Peter B and Nixon, John F (2008) Synthesis and structural characterisation of lanthanide and actinide phosphaorganometallic complexes derived from the 3,5-di-tert-butyl-1,2,4-triphospholyl ring anion, P3C2But−2: Crystal and molecular structures of [M(η5-P3C2But2)2(η2-P3C2But2)] (M = Sc, Y, Tm, and U). Journal of Organometallic Chemistry, 693 (13). pp. 2287-2292. ISSN 0022-328X

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Abstract

Treatment of MI3 ( M = Sc, Y, Tm, and U) with three equivalents of KP3C2Bu2t in refluxing toluene led to the corresponding monomeric, formally eight coordinate, complexes [M(eta(5)-P3C2Bu2t)(2)(eta(2)-P3C2Bu2t)] in moderate yields. In the solid state the complexes, which are all iso-structural, display an interesting assembly of ligands comprising of one eta(2)-(bent) and two eta(5)-ligated triphospholyl rings. NMR studies indicate that the complexes are fluxional in solution.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Geoff Cloke
Date Deposited: 06 Feb 2012 20:21
Last Modified: 30 Nov 2012 17:06
URI: http://sro.sussex.ac.uk/id/eprint/25601
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