An efficient synthesis of thiazoles is described via an one-pot reaction between acid chlorides, ammonium thiocyanate tetramethylguanidine and α-bromocarbonyl compounds under solvent-free conditions without using any catalyst. The method offers several advantages including high yields of products and an easy work-up procedure at room temperature in excellent yield.
Keywords: Arylisothiocyanates, one-pot reactions, tetramethylguanidine, thiazoles.