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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Crystal Structure of Dilithioacetylacetone: A Twenty-Four Vertex Li-O Cage Molecule with Limited Li–C(terminal) Bonding and Selective THF Solvation

Clegg, W. and Horsburgh, L. and Mulvey, Robert and Ross, M.J. (1995) Crystal Structure of Dilithioacetylacetone: A Twenty-Four Vertex Li-O Cage Molecule with Limited Li–C(terminal) Bonding and Selective THF Solvation. Angewandte Chemie International Edition, 34 (11). pp. 1233-1234. ISSN 1433-7851

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Abstract

The true nature of “dicarbanion” synthetic intermediates generated by dilithiation of a β-diketone is unveiled by an X-ray crystallographic study of an acetylacetone (acac) derivative. A notable feature of its (LiO)12 cage structure is its three coordinatively distinct acac dianions, one of which (shown schematically on the right) surprisingly exhibits (μ4O)–Li4 bonding, as well as a LiC(H2) contact.