%0 Journal Article
%T Nano-sizedsilicasupportedFeCl3asanefficientheterogeneouscatalystforthesynthesisof1,2,4-triazinederivatives
%A Davood Habibi
%A Somayyeh Vakili
%J ´ß»¯Ñ§±¨
%P 620-625
%D 2015
%R 10.1016/S1872-2067(15)60829-4
%X £¿Theone-potsynthesisofaseriesof1,2,4-triazinesfromthereactionsofsemicarbazideorthiosemicarbazidewithvarious¦Á,¦Â-dicarbonylcompoundsunderrefluxconditionsinaEtOH-H2O(9:1)mixtureassolventandcatalyzedbynano-sizedsilicasupportedFeCl3(FeCl3@SiO2)wasinvestigated.TheFeCl3contentofthecatalystwasmeasuredbyatomicabsorptiontogettheadsorptioncapacity.Thereactionsgavehighyieldsoftheproductandthecatalystwaseasilyseparatedandreusedforsuccessivereactionrunswithoutsignificantlossofactivity.
%K Nano-sizedsilicasupportedFeCl3
%K Multicomponentreactions
%K 1
%K 2
%K 4-Triazines
%K ¦Á
%K ¦Â-Dicarbonylcompounds
%K Semicarbazide
%K Thiosemicarbazide
%U http://www.chxb.cn/CN/abstract/abstract21538.shtml