%0 Journal Article
%T SilylationofAlcoholsandPhenolswithHexamethyldisilazaneoverHighlyReusablePropylSulfonicAcidFunctionalizedNanostructuredSBA-15
%A Daryoush ZAREYEE
%A Rezvaneh ASGHARI
%A Mohammad A. KHALILZADEH
%J ´ß»¯Ñ§±¨
%P 1864-1868
%D 2011
%R 10.1016/S1872-2067(10)60300-2
%X £¿Variousalcoholsandphenolsweretrimethylsilylatedinexcellentyieldsusinghexamethyldisilazaneinthepresenceofcatalyticamountsofenvironmentallyfriendly,hydrophobic,highlythermalstable,andcompletelyheterogeneoussulfonicacidfunctionalizedmesostructuredSBA-15indichloromethaneatambienttemperature.Primary,bulkysecondary,tertiary,andphenolichydroxylfunctionalgroupsweretransformedtothecorrespondingtrimethylsilylethersinexcellentyields.Thesimpleexperimentalprocedurewasaccompaniedbyeasyrecoveryandthecatalystwasreusable(atleast18reactioncycles);theseareattractivefeaturesofthisprotocol.
%K reusableheterogeneouscatalyst
%K solidsulfonicacid
%K SBA-15
%K protectinggroup
%K silylation
%K hexamethyldisilazane
%U http://www.chxb.cn/CN/abstract/abstract20576.shtml