Synthesis and structural characterization of metalated 1,8-bis(silylamino)naphthalene derivatives

Galka, Christian H. and Trosch, Dominique J. M. and Rudenauer, Ina and Gade, Lutz H. and Scowen, Ian and McPartlin, Mary (2000) Synthesis and structural characterization of metalated 1,8-bis(silylamino)naphthalene derivatives. Inorganic Chemistry, 39 (20). pp. 4615-4620. ISSN 0020-1669

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Reaction of 1,8-C10H6NHSiMe32 (1) with 2 molar equiv of butyllithium in toluene and subsequently added hmpa or tmeda as neutral coligands yields the lithium compounds 1,8-C10H6{N(Li-hmpa)SiMe3}2 (2) or 1,8C10H6{N(Li)SiMe3}2(tmeda)1.52 (3), respectively which were both characterized by X-ray crystallography. Both compounds were obtained irrespective of the amide/coligand ratio in solution. Compound 3 is a dimeric complex containing two chelating and one bridging tmeda ligand. Lithiation of 1 in thf and reaction of the lithium amide with MgBr2(Et2O) gave the mixed-metal Li-Mg-amide 1,8-C10H6{NSiMe3}2Li(thf)MgBr(thf) (4). A singlecrystal X-ray structure analysis revealed that in the solid the MgBr units coordinate to neighboring lithium centers, leading to the aggregation of the molecules as polymeric chains.

Keywords:1,8 bis(silylamino)naphthalene, amide, ligand, lithium, macrocyclic compound, metal, naphthalene derivative, toluene, unclassified drug, article, chemical structure, crystal structure, polymerization, structure analysis, synthesis, X ray crystallography
Subjects:F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
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ID Code:13062
Deposited On:19 Mar 2014 18:55

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