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Issue 1, 2015
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Phosphine complexes of lone pair bearing Lewis acceptors

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An overview of the synthesis, structures and reaction chemistry of coordination complexes featuring an acceptor with at least one lone pair and at least one phosphine donor is presented. One or more examples of complexes have been structurally-characterized for the majority of p-block elements but few are known for most elements. The unusual condition of a p-block element centre accommodating a lone pair of electrons and offering a low energy LUMO gives the element centre the potential to behave as both a Lewis acid and a Lewis Base. The structural diversity and reactivity of the phosphine complexes highlights new directions in main group chemistry and by comparison with transition metal coordination chemistry, the featured complexes demonstrate significant configurational and stereochemical flexibility. Ligand exchange, oxidation and reduction chemistry at the lone pair bearing acceptor centre reveals unusual reactivity and an interesting class of ligands and inorganic reagents, with new possibilities for catalysis or small molecule activation.

Graphical abstract: Phosphine complexes of lone pair bearing Lewis acceptors

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The article was received on 12 Sep 2014, accepted on 14 Oct 2014 and first published on 16 Oct 2014

Article type: Perspective
DOI: 10.1039/C4DT02789B
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Citation: Dalton Trans., 2015,44, 17-29

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    Phosphine complexes of lone pair bearing Lewis acceptors

    S. S. Chitnis and N. Burford, Dalton Trans., 2015, 44, 17
    DOI: 10.1039/C4DT02789B

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