One-pot synthesis of 1,2,4-oxadiazoles from carboxylic acid esters and amidoximes using potassium carbonate
作者:Kande K.D. Amarasinghe、Matthew B. Maier、Anil Srivastava、Jeffrey L. Gray
DOI:10.1016/j.tetlet.2006.03.155
日期:2006.5
A convenient one-pot synthesis of 1,2,4-oxadiazoles is described. The condensation of carboxylic acid esters and amidoximes in the presence of potassium carbonate was employed to synthesize a variety of mono-, bis- and tris-oxadiazoles in moderate to excellent yields.