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The chemical behaviour of di(2-pyridyl)sulphide, dps. Crystal and molecular structure of μ-di(2-pyridyl)sulphidebis(trans-dichlorotriethylphosphine platinum(II)), [{Pt(PEt3)Cl2}2μ-dps] and its reactivity towards stannylated species

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Abstract

The coordinating ability of the ligand di(2-pyridyl)sulphide, dps, was studied in several situations. Dps behaved as a bidentate chelating agent with SnX4 (X=Cl or Br) and also with Pd and Pt (PdCl2 and K2PtCl4), whereas with [Pt2(PR3)2Cl4], (R = Et or Ph), it formed bridging complexes: [{Pt(PR3)Cl2}2μ-dps]. The crystal and molecular structure of [{Pt(PEt3)Cl2}2μ-dps] was determined. This complex, as well as [M(dps)Cl2], (M = Pd or Pt), underwent reactions with SnCl2, which inserts into the M–Cl bonds producing heterobimetallic products, which are important in catalysis.

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Authors and Affiliations

  1. Departamento de Quimica, ICEx, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil

    Wagner M. Teles & Nelson G. Fernandes

  2. Departamento de Fisica, ICEx, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil

    Anuar Abras

  3. Departamento de Quimica Inorgânica, IQ, Universidade Federal do Rio de Janeiro, 21945-970, Rio de Janeiro, RJ, Brazil

    Carlos A. L. Filgueiras

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  1. Wagner M. Teles
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  4. Carlos A. L. Filgueiras
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Teles, W.M., Fernandes, N.G., Abras, A. et al. The chemical behaviour of di(2-pyridyl)sulphide, dps. Crystal and molecular structure of μ-di(2-pyridyl)sulphidebis(trans-dichlorotriethylphosphine platinum(II)), [{Pt(PEt3)Cl2}2μ-dps] and its reactivity towards stannylated species. Transition Metal Chemistry 24, 321–325 (1999). https://doi.org/10.1023/A:1006958711936

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