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A key intermediate in the platinum-mediated hydrodesulfurization of dibenzothiophene

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Abstract

The thiaplatinacycles, [PtL2(C,S–C12 H8S)] and [PtL2(C,S–C13H10S)] (L = PEt3, PMe3; L2=Ph2PCH2 CH2PPh2), obtained from oxidative insertion of [Pt0Ln] into dibenzothiophene and 4-methyldibenzothiophene are hydrodesulfurized by reaction with hydrogen (toluene, 20 atm, 100°C) to biphenyl and 3-methylbiphenyl, respectively; addition of acidic alumina improves the reaction. These observations link the model systems and the latest generation of commercial second-stage HDS catalysts.

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Authors and Affiliations

  1. Department of Chemistry, The University of Sheffield, Sheffield, S3 7HF, UK

    Alexei Iretskii, Juventino J. García & Graziela Picazo

  2. Department of Chemistry, The University of Sheffield, Sheffield, S3 7HF, UK

    Peter M. Maitlis

Authors
  1. Alexei Iretskii
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  2. Juventino J. García
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  3. Graziela Picazo
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  4. Peter M. Maitlis
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Iretskii, A., García, J.J., Picazo, G. et al. A key intermediate in the platinum-mediated hydrodesulfurization of dibenzothiophene. Catalysis Letters 51, 129–131 (1998). https://doi.org/10.1023/A:1019053521605

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