%0 Journal Article
%T Fragrancesbyselectiveoxidationoflong-chainalcohols
%A Alberto Villa
%A Carine E-Chan-Thaw
%A Marco Schiavoni
%A Sebastiano Campisi
%A Di Wang
%A Laura Prati
%J ´ß»¯Ñ§±¨
%P 945-951
%D 2014
%R 10.1016/S1872-2067(14)60101-7
%X £¿TheactivityandtheselectivityofRuandPtbasedcarboncatalystsintheselectiveoxidationoflong-chainaliphaticalcohols(C8,C10,C12)havebeeninvestigated.Ru/ACandPt/ACalwaysshowedgoodinitialactivity,howeverdeactivationphenomenarapidlydepressedthecatalyticperformanceofthecatalysts.ThesephenomenacanbelimitedbymodificationofRu/ACandPt/ACwithAuimprovingthedurabilityofthecatalyst.Ru/ACandAuRu/ACshowedgoodselectivitytothecorrespondingaldehyde(>95%)makingthesecatalystspromisingforfragrancesmanufacturing.TheadvantageinusingAumodifiedcatalystliesontheeasierregenerationprocedurecomparedtotheonenecessaryforRu/AC.Pt/ACandAuPt/ACshowedalowerselectivitytoaldehydepromotingtheformationoftheacidandtheesterformationrespectively.TheadditionofwaterinthesolventsystemspeedsupthereactionratebutdrasticallydecreasedtheselectivitytoaldehydeespeciallyinthecaseofPtbasedcatalysts.
%K Aliphaticalcoholoxidation
%K Rutheniumcatalyst
%K Platinumcatalyst
%K Aumodifiedcatalyst
%U http://www.chxb.cn/CN/abstract/abstract21337.shtml