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Lookup NU author(s): Emeritus Professor Bill CleggORCiD,
Dr Stephen Liddle
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The title complex, [Li(PhN-2-C5H4N)(PhNH-2-C 5H4N)]2 or [Li2(C11H 9N2)2(C11H10N 2)2], is centrosymmetric with a central Li 2N2 ring formed by two amide ligands bridging the two Li+ centres. Each amide ligand also coordinates through its pyridine N atom to one of the Li+ cations, giving LiNCN chelate four-membered rings. Each neutral amine ligand coordinates terminally to one Li+ cation and forms an intramolecular N-H⋯N hydrogen bond by donation from its amine group to the bridging amido N atom of one of the amide ligands. The coordination of Li is distorted tetrahedral by two bridging amido and two pyridyl N atoms. The complex is the product of partial deprotonation of 2-phenylamino-pyridine by alkyllithium reagents, the remaining amine NH groups being sterically inaccessible even to strong bases. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.
Author(s): Clegg W, Liddle ST
Publication type: Article
Publication status: Published
Journal: Acta Crystallographica Section E: Structure Reports Online
Print publication date: 01/11/2004
ISSN (electronic): 1600-5368
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