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Lookup NU author(s): Emeritus Professor Bill CleggORCiD, Dr Luca Russo
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Two lithium and one sodium diamine bis(phenolate) complexes have been prepared and characterised by X-ray crystallography and NMR spectroscopy. Two parent diamine bis(phenol) ligands were utilised in the study (1-H2 and 2-H2). Dimeric (1-Li2)2 was prepared by treating 1-H2 with two molar equivalents of n-butyllithium in hydrocarbon solvent. It adopts a ladder-like structure in the solid state, which appears to deaggregate in C6D6 solution. The monomeric (hence, dinuclear) TMEDA-solvated species [2-Li2•(TMEDA)] has two chemically unique Li atoms in the solid state and is prepared by reacting 2-H2 with two molar equivalents of n-butyllithium in hydrocarbon solvent, in the presence of N,N,N′,N′-tetramethylethylenediamine (TMEDA). Finally, the dimeric sodium-based [2-Na2•(OEt 2)]2 was prepared by reacting 2-H2 with two molar equivalents of freshly prepared n-butylsodium in a hydrocarbon-diethyl ether medium. The complex adopts a Na4O4 cuboidal structure in the solid state, which appears to remain intact in C 6D6 solution. © The Royal Society of Chemistry.
Author(s): Clegg W, Davidson MG, Graham DV, Griffen G, Jones MD, Kennedy AR, O'Hara CT, Russo L, Thomson CM
Publication type: Article
Publication status: Published
Journal: Dalton Transactions
Year: 2008
Issue: 10
Pages: 1295-1301
Print publication date: 01/01/2008
ISSN (print): 1477-9226
ISSN (electronic): 1477-9234
Publisher: Royal Society of Chemistry
URL: http://dx.doi.org/10.1039/b718186h
DOI: 10.1039/b718186h
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