Silver-catalyzed activation of internal propargylic alcohols in supercritical carbon dioxide: efficient and eco-friendly synthesis of 4-alkylidene-1,3-oxazolidin-2-ones
作者:Huan-Feng Jiang、Jin-Wu Zhao
DOI:10.1016/j.tetlet.2008.10.078
日期:2009.1
The silver-catalyzed cycloaddition reactions of carbondioxide with internal propargylicalcohols and primary amines under supercritical conditions give 4-alkylene-1,3-oxazolidin-2-ones in good to excellent yields. The optimized conditions are to use an alcohol (2 mmol), an amine (2 mmol), silver acetate (0.1 mmol), and carbondioxide (8 MPa) at 120 °C.