Efficient synthesis of functionalized 2,4-diaminothiazoles from tetramethylguanidine, isothiocyanates, and α-bromoketones
作者:Issa Yavari、Ashraf S. Shahvelayati、Alaleh Malekafzali
DOI:10.1080/17415993.2010.525709
日期:2010.12
The Hantzsch method for thiazole synthesis is modified via the reaction of α-bromocarbonyl compounds with 2-(amidosulfanylenemethyl)-1,1,3,3-tetramethylguanidines (prepared in situ from tetramethylguanidine and aroylisothiocyanates), to afford functionalized 2,4-diaminothiazoles in good yields.