On water catalyst-free synthesis of benzo[<i>d</i>]imidazo[2,1-<i>b</i>] thiazoles and novel <i>N</i>-alkylated 2-aminobenzo[<i>d</i>]oxazoles under microwave irradiation
作者:Narasimharao Mukku、Barnali Maiti
DOI:10.1039/c9ra08929b
日期:——
unprecedented catalyst-free microwave-assisted procedure for synthesizing benzo[d]imidazo[2,1-b]thiazoles and N-alkylated 2-aminobenzo[d]oxazol in green media was developed. The transformation provided rapid access to functionalized benzo[d]imidazo[2,1-b]thiazoles from 2-aminobenzothiazole and N-alkylated 2-aminobenzo[d]oxazole from 2-aminobenzoxazole scaffolds under mild transition-metal-free conditions. This
开发了一种前所未有的高效无催化剂微波辅助方法,用于在绿色介质中合成苯并[ d ]咪唑并[ 2,1- b ]噻唑和N-烷基化 2-氨基苯并[ d ]恶唑。该转化提供了在温和的无过渡金属条件下从 2-氨基苯并噻唑和N-烷基化 2-氨基苯并[ d ]恶唑快速获得功能化苯并[ d ]咪唑[ 2,1- b ]噻唑的途径。这种合成操作有望极大地扩展杂环化学中反应类型的全部内容,并为生物活性化合物的新合成铺平道路。