Abstract
High-temperature reduced (HTR) Pt/TiO 2 catalysts exhibit strong metal-support interaction (SMSI) as inferred from negligible hydrogen chemisorption take-up and moderate activity for skeletal reactions of alkanes. Using model reactants αγ, αδ and αδ hydrogenolysis routes are found whereas αβ hydrogenolysis is more severely depressed. Terminal C-C bond scission in hydrogenolysis as well as suppression of bond-shift rearrangement and of SCM cyclisation indicate a strong preference for carbanionic Pt-alkyl bond formation and are compatible with an electron shift from TiO x moieties to Pt in these HTR Pt/TiO 2 catalysts.
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