Microwave-assisted direct esterification of cyclic phosphinic acids in the presence of ionic liquids
作者:Nóra Zsuzsa Kiss、György Keglevich
DOI:10.1016/j.tetlet.2016.01.044
日期:2016.3
The efficiency of the microwave-assisteddirectesterification of cyclicphosphinicacids was significantly enhanced by adding 10% of an ionic liquid to the reaction mixture prior to irradiation. In the presence of [bmim][PF6] most of the esterifications were complete within 30 min at 180 °C.