A key intermediate in the platinum-mediated hydrodesulfurization of dibenzothiophene |
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| Authors: | Alexei Iretskii Juventino J. García Graziela Picazo Peter M. Maitlis |
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| Affiliation: | (1) Department of Chemistry, The University of Sheffield, Sheffield, S3 7HF, UK;(2) Department of Chemistry, The University of Sheffield, Sheffield, S3 7HF, UK |
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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. This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | hydrodesulfurization dibenzothiophene platinum |
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