Abstract
Supported gold catalysts Au/OMS-2 and Au/La-OMS-2 were prepared and used for liquid phase oxidation of cyclohexene with oxygen as an oxidant. These catalysts were characterized by XRD, SEM, TEM and EDX. The reactions were carried out in an autoclave at 80 °C without any solvent. Effects of Au content and La content on catalytic performance were studied. Au/La-OMS-2 (0.24) was found to be an efficient catalyst for the oxidation of cyclohexene with a high conversion (48.0%). More than 86% selectivity for ∑ C6 (including cyclohexene oxide, 2-cyclohexene-1-ol, 2-cyclohexene-1-one) was obtained.
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