Efficient synthesis of aryl-substituted carbazoles via tandem double or triple suzuki coupling and cadogan cyclization
作者:Hyeong Seok Kim、Deuk-young Goo、Sang Kook Woo
DOI:10.1016/j.tet.2017.01.038
日期:2017.3
An efficient one-step method to prepare aryl-substituted carbazoles via tandem double or triple CC bond formations by multiple Suzuki couplings and CN bond formation by Cadogan cyclization has been developed. The developed method employs commercially available or easily preparable polybromonitrobenzenes and arylboronic acids as starting materials, tolerates various functional groups, and provides good
已经开发了一种有效的一步法,该方法通过多个Suzuki偶联通过串联双或三重C C键形成和通过Cadogan环化形成C N键来制备芳基取代的咔唑。所开发的方法采用可商购或易于制备的聚溴硝基苯和芳基硼酸作为起始原料,可耐受各种官能团,并提供良好的收率。