%0 Journal Article %T SuzukiReactionofArylBromidesUsingaPhosphine-FreeMagneticNanoparticle-SupportedPalladiumCatalyst %A Nghia T. BUI %A Trung B. DANG %A Ha V. LE %A Nam T. S. PHAN %J ´ß»¯Ñ§±¨ %P 1667-1676 %D 2011 %R 10.1016/S1872-2067(10)60270-7 %X £¿Apalladiumcatalystimmobilizedonsuperparaganeticnanoparticleswaspreparedwithapalladiumloadingof0.30mmol/g.ThecatalystwascharacterizedusingX-raydiffraction,scanningelectronmicroscopy,transmissionelectronmicroscopy,vibratingsamplemagnetometry,thermogravimetricanalysis,Fouriertransforminfrared,atomicabsorptionspectrophotometry,andnitrogenadsorption.TheimmobilizedpalladiumcatalystwasanefficientcatalystwithoutaddedphosphineligandsfortheSuzukicross-couplingreactionofseveralarylbromideswithphenylboronicacid.Therecoveryofcatalystwassimplybymagneticdecantationinthepresenceofamagnet.Theimmobilizedpalladiumcatalystcanbereusedmanytimeswithoutsignificantdegradationincatalyticactivity.Noleachingofactivepalladiumspeciesintothereactionsolutionwasdetected. %K superparamagneticnanoparticle %K Suzukireaction %K palladium %K arylbromide %U http://www.chxb.cn/CN/abstract/abstract20533.shtml