%0 Journal Article
%T HeterogenizationofIndiumfortheFriedel-CraftBenzoylationofToluene
%A Farook ADAM
%A Kei Lin SEK
%J ´ß»¯Ñ§±¨
%P 1802-1808
%D 2012
%R 10.1016/S1872-2067(11)60453-1
%X £¿Indiumincorporatedsilicasampleswithdifferentindiumcontentsweresynthesizedusingatemplatefreesol-gelmethod.Thesilicausedwasextractedfromricehusk(RH)andtheresultingcatalystwaslabeledasRH-xIn(x=5%,10%,15%,and20%).FromtheN2adsorptionanalysisthepresenceoftypeIVisotherminRH-blankandRH-xInindicatedthemesoporousnatureofthecatalysts.IntheXRDpattern,abroadbandatca.2¦È=25¡ãwasobservedforallthecatalystswhichshowedthemtobeamorphous.TEMmicrographsrevealedthatthematerialiscomposedofnanoparticles.Friedel-CraftbenzoylationoftoluenewascarriedoutusingtheRH-xIncatalyst.Theoptimumconditionsforthebenzoylationoftolueneweredeterminedandat373K,100%conversionand89%selectivityforthepara-product(i.e.4-methylbenzonphenone)wereobtained.
%K ricehusk
%K sol-gel
%K indium
%K Friedel-Craftbenzoylation
%K Toluene
%U http://www.chxb.cn/CN/abstract/abstract20825.shtml