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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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LiquidPhaseHydrogenationofBenzalacetophenone:EffectofSolvent,CatalystSupport,CatalyticMetalandReactionConditions
DOI: 10.1016/S1872-2067(10)60249-5, PP. 1312-1322
Keywords: chalcone,hydrogenation,porousglass,supportedcatalyst
Abstract:
？Innovativecatalystsbasedona“porousglass”supportmaterialweredevelopedandinvestigatedforthereductionofbenzalacetophenone.Theeasypreparationconditionsandpossibilitytousedifferentmetals(e.g.Pd,Pt,Rh)forimpregnationgaveabroadvarietyofthesecatalysts.Hydrogenationexperimentswiththesesupportedcatalystswerecarriedoutunderdifferenthydrogenpressuresandtemperatures.PorousglasscatalystswithPdastheactivecomponentgavechemoselectivehydrogenationofbenzalacetophenone,whilePt-andRh-catalyststendedtofurtherreducethecarbonylgroup,especiallyatelevatedhydrogenpressuresandtemperatures.Kineticanalysisofthereactionsrevealedthesehadzeroorderkinetics,whichwasindependentofthetypeofporousglasssupportandsolventused.
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