%0 Journal Article
%T HydrogenationofOlefinsCatalyzedbyPolymer-SupportedPalladium-Imidazole
%J ´ß»¯Ñ§±¨
%P 280-285
%D 2011
%R 10.1016/S1872-2067(10)60176-3
%X £¿Apolymer-supportedpalladium-imidazolecatalystwasusedtocatalyzethehydrogenationofvariousolefinsundermildconditions.Therateofhydrogenationwasstudied.Theeffectsoffactorssuchassubstrateconcentration,catalystconcentration,partialpressureofhydrogenandtemperatureoninitialrateofreactionofselectedolefinswereinvestigated.Amechanismforthereactionwasproposedfromtherateequation.Theeffectsofthesolventandstructureoftheolefinontherateofhydrogenationwereinvestigated.Thecatalystshowedgoodreusabilitywithoutanyleachingofmetalfromthesupport.Thehomologousanalogofthepolymer-supportedcatalystcouldnotbeusedascatalystforthehydrogenationofolefinsinmethanolbecausetherewasprecipitationofthemetalduringreaction.
%K polymer-supportedpalladium-imidazolecatalyst
%K cyclohexene
%K relativereactivity
%K sequentialhydrogenation
%K recyclingefficiency
%U http://www.chxb.cn/CN/abstract/abstract20326.shtml