Issue 33, 2007

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

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

Supplementary files

Article information

Article type
Paper
Submitted
30 Mar 2007
Accepted
18 Jun 2007
First published
04 Jul 2007

Dalton Trans., 2007, 3653-3660

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, 3653 DOI: 10.1039/B704852A

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