%0 Journal Article
%T SilicaSulfuricAcid:AnEfficientHeterogeneousCatalystfortheOne-PotSynthesisof1,4-DihydropyridinesunderMildandSolvent-FreeConditions
%A Bandita DATTA
%A M. Afzal PASHA
%J ´ß»¯Ñ§±¨
%P 1180-1184
%D 2011
%R 10.1016/S1872-2067(10)60252-5
%X £¿Aseriesof1,4-dihydropyridineshavebeenpreparedbyaone-potcondensationofaldehydes,ethylacetoacetate,andammoniumacetateinthepresenceofaheterogeneouscatalystsilicasulfuricacidatroomtemperatureundersolvent-freecondition.Thisnewprotocolhastheadvantageofshortreactiontimeandexcellentyields,andisanenvironmentallybenignroutetothesynthesisof1,4-dihydropyridines.
%K aldehyde
%K ethylacetoacetate
%K ammoniumacetate
%K silicasulfuricacid
%K 1
%K 4-dihydropyridine
%U http://www.chxb.cn/CN/abstract/abstract20486.shtml