Palladium co-ordination chemistry of β-diimines: A preparative and structural comparison with α-diimines

Elaine K. Cope-Eatough, Francis S. Mair, Robin G. Pritchard, John E. Warren, Rebecca J. Woods

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The co-ordination chemistry of β-diimines has been found to be markedly different from otherwise identical α-diimines, it being significantly more difficult to prepare stable complexes of a variety of transition metal species. Where such species were preparable, the ligands were found to be incapable of stabilising metal-alkyl bonds, in marked contrast to their α-diimine counterparts. These differences are ascribed to a combination of steric, entropic and electronic factors. Crystal structures of 2-Pri-C6H4NCMeCMe2C-MeN-2- Pri-C6H4, 2,6-Pr2i-C6H3NCMeCMeN-2- Pri-C6H4, [2-Pri-C6H4NCMeCMe2CMeN-2- Pri-C6H4PdCl2] and [2,6-Pr2i-C6H3NCMeCMeN-2, 6-Pri-C6H3PdCl2] are reported. A partial structure of [2,6-Pr2i-C6H3NCMe CMe2CMeN-2,6-Pri-C6H3 Pd2Cl4] is also briefly discussed. © 2003 Elsevier Science Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1447-1454
    Number of pages7
    JournalPolyhedron
    Volume22
    Issue number11
    DOIs
    Publication statusPublished - 1 Jun 2003

    Keywords

    • Chelate complexes
    • Diazadiene
    • Diimine
    • Palladium

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