%0 Journal Article
%T Synthesis,characterization,andapplicationofsilicasupportedionicliquidascatalystforreductiveaminationofcyclohexanonewithformicacidandtriethylamineashydrogensource
%A Ashif H. Tamboli
%A Avinash A. Chaugule
%A Faheem A. Sheikh
%A Wook-Jin Chung
%A Hern Kim
%J ´ß»¯Ñ§±¨
%P 1365-1371
%D 2015
%R 10.1016/S1872-2067(15)60848-8
%X £¿Asilicasupportedionicliquidwassynthesizedandcharacterizedbyscanningelectronmicroscopy(SEM),Fouriertransforminfraredspectroscopy,X-raydiffraction,N2adsorption-desorption,andthermogravimetricanalysis.Allthesetechniques,especiallySEMresultsindicatedthepresenceofwell-definedsphericalparticleshavingdiameterslargerthanthepristinesilicaparticles,confirmingthesuccessfulimmobilizationoftheionicliquid.Thepreparedsilicasupportedionicliquidwasusedinthereductiveaminationofcyclohexanoneunderdifferentconditionswithdifferentazeotropicmixturesofformicacidandtriethylamineasahydrogensource.ThecatalystshowedefficientcatalyticperformanceandexcellentyieldsofN-cyclohexylaminederivativesintherangeof58%to84%at30¡æ.Aftercompletionofthereaction,thecatalystwaseasilyrecoveredbysimplefiltrationandreusedforanotherfivecycleswithoutanysignificantimpactonproductyields.Theobtainedcatalyticperformanceindicatesthatthepresentcatalystisgreen,veryactive,andreusableforthereductiveaminationofcyclohexanone.
%K Supportedionicliquidphase
%K Catalyst
%K Reductiveamination
%K Cyclohexanone
%K Ionicliquids
%U http://www.chxb.cn/CN/abstract/abstract21609.shtml