%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