%0 Journal Article
%T N-Sulfonicacidpoly(4-vinylpyridinum)hydrogensulfateasanovel,efficient,andreusablesolidacidcatalystforacylationundersolvent-freeconditions
%A Nader Ghaffari Khaligh
%A Parisa Ghods Ghasem-Abadi
%J ´ß»¯Ñ§±¨
%P 1126-1135
%D 2014
%R 10.1016/S1872-2067(14)60052-8
%X £¿N-Sulfonicacidpoly(4-vinylpyridinum)hydrogensulfatehasbeendevelopedasarecyclablesolidacidcatalystfortheacetylationofalcohols,phenols,thiols,andamines,aswellasthe1,1-diacetylationofaldehydesundersolvent-freeconditionsatroomtemperature.Theacetylatedproductswereformedingoodtoexcellentyieldsovershortreactiontimes,andthecatalystcouldbereadilyrecoveredbyfiltrationandusedseveraltimeswithoutanydiscerniblelossinactivity.Thehydrogensulfateanionofthecatalyticsystemwasfoundtoplayacriticalroleinenhancingthereactiontimeandyieldoftheacetylationreaction.
%K Solidacid
%K Functionalizedpoly(4-vinylpyridine)
%K Anioneffect
%K Acetylation
%K 1
%K 1-Diacetylation
%K Solvent-freeconditions
%U http://www.chxb.cn/CN/abstract/abstract21319.shtml