Efficient condensation of carboxylic acids with alcohols catalyzed by fluorous ammonium triflates
作者:László Mercs、Gianluca Pozzi、Silvio Quici
DOI:10.1016/j.tetlet.2007.02.117
日期:2007.4
salts as metal-free catalysts for the directcondensation of equimolaramounts of carboxylicacids and aliphatic alcohols has been investigated. Esterification reactions were thus conveniently carried out under mild fluorous biphasic conditions, in the presence of 1 mol % of fluorous ammonium triflate and without recourse to any additional water removal technique. Good to excellent ester yields were obtained