Synthesis and Crystal Structure of a Diplatinum Cyclopentadienyldiphenylphosphine Sulphide Bridged Complex

  1. Delgado, E. 2
  2. Hernández, E. 2
  3. Lalinde, E. 1
  4. Lang, H. 3
  5. Mansilla, N. 2
  6. Moreno, M.T. 1
  7. Rheinwald, G. 3
  8. Zamora, F. 2
  1. 1 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  2. 2 Universidad Autónoma de Madrid
    info

    Universidad Autónoma de Madrid

    Madrid, España

    ROR https://ror.org/01cby8j38

  3. 3 Chemnitz University of Technology
    info

    Chemnitz University of Technology

    Chemnitz, Alemania

    ROR https://ror.org/00a208s56

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Revista:
Inorganica Chimica Acta

ISSN: 0020-1693

Año de publicación: 2001

Volumen: 315

Número: 1

Páginas: 1-8

Tipo: Artículo

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DOI: 10.1016/S0020-1693(00)00345-5 SCOPUS: 2-s2.0-0035897121 WoS: WOS:000168293200001 GOOGLE SCHOLAR

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Resumen

The mixed early-late Ti-Pt2 compound [(η5-C5H4SiMe3) Ti(μ3-1η5-C5H4P(S) Ph2-2,3κS)(μ-SPh)2{Pt(C6 F5)2}2] (3) containing a functionalised thiophosphorylcyclopentadienyl S=PPh2C5H4 bridging ligand has been obtained by reaction of [(η5-C5H4SiMe3) (η5-C5H4P(S)Ph2) Ti(SPh)2] (1) with 2 equivalents of cis-[Pt(C6F5)2(thf)2]. The crystallisation of 3 in CH2Cl2/MeOH at -20°C gave the unexpected diplatinum complex [Pt(C6F5)2(μ-SPPh2 C5H5)]2 (4) with an unusual double bis-cyclopentadienyldiphosphine sulphide bridging system (μ-κS), which has been characterised by X-ray diffraction. As an alternative route to the synthesis of 4 the reaction of cis-[Pt(C6F5)2(thf)2] with S=PPh2C5H5 has been studied. Independently of the stoichiometry employed, this reaction gives mixtures of 4 and the novel mononuclear complex cis-[Pt(C6F5)2(S=PPh2 C5H5)2] (6). Low temperature control of this reaction indicates that both complexes (4 and 6) are formed through a common intermediate identified as cis-[Pt(C6F5)2(S=PPh2 C5H5)(thf)] (5) on the basis of spectroscopic techniques. © 2001 Elsevier Science B.V.