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  • Mechanistic analogies and d...
    Comas-Vives, Aleix; González-Arellano, Camino; Boronat, Mercè; Corma, Avelino; Iglesias, Marta; Sánchez, Félix; Ujaque, Gregori

    Journal of catalysis, 03/2008, Volume: 254, Issue: 2
    Journal Article

    The mechanism of olefin hydrogenation catalyzed by Pd II and Au III Schiff base complexes, both with an analog d 8 electronic structure, is analyzed by means of kinetic and computational methods. The computational study is able to explain the differences experimentally observed in relation to the influence of the solvent (polarity and proton donor ability) and of the hydrogen pressure on the Au III- and Pd II-catalyzed reaction mechanisms. These considerations can guide the proper selection of solid supports for heterogenization of catalysts to significantly increase their activity.