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Issue 33, 2007
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One-dimensional phosphinite platinum chains based on hydrogen bonding interactions and phosphinite tetranuclear platinum(II)–thallium(I) complexes

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Abstract

The mononuclear pentafluorophenyl platinum complex containing the chelated diphenylphosphinous acid/diphenylphosphinite system [Pt(C6F5){(PPh2O)2H}(PPh2OH)] 1 has been prepared and characterised. 1 and the related alkynyl complex [Pt(C[triple bond, length as m-dash]CBut){(PPh2O)2H}(PPh2OH)] 2 form infinite one-dimensional chains in the solid state based on intermolecular O–H⋯O hydrogen bonding interactions. Deprotonation reactions of [PtL{(PPh2O)2H}(PPh2OH)] (L = C6F51, C[triple bond, length as m-dash]CBut2, C[triple bond, length as m-dash]CPh 3) with [Tl(acac)] yields tetranuclear Pt2Tl2 complexes [PtL{(PPh2O)2H}(PPh2O)Tl]2 (L = C6F54, C[triple bond, length as m-dash]CBut5, C[triple bond, length as m-dash]CPh 6). The structure of the tert-butylalkynyl derivative 5, established by X-ray diffraction, shows two anionic discrete units [Pt(C[triple bond, length as m-dash]CBut){(PPh2O)2H}(PPh2O)] joined by two Tl(I) centres via Tl–O and Pt–Tl bonds. Despite the existence of Pt–Tl interactions, they do not show luminescence.

Graphical abstract: One-dimensional phosphinite platinum chains based on hydrogen bonding interactions and phosphinite tetranuclear platinum(ii)–thallium(i) complexes

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Publication details

The article was received on 30 Mar 2007, accepted on 18 Jun 2007 and first published on 04 Jul 2007


Article type: Paper
DOI: 10.1039/B704852A
Citation: Dalton Trans., 2007,0, 3653-3660
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    One-dimensional phosphinite platinum chains based on hydrogen bonding interactions and phosphinite tetranuclear platinum(II)–thallium(I) complexes

    A. Díez, J. Forniés, J. Gómez, E. Lalinde, A. Martín, M. T. Moreno and S. Sánchez, Dalton Trans., 2007, 0, 3653
    DOI: 10.1039/B704852A

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