Cesium Carboxylate-Promoted Iridium Catalyzed C–H Amidation/Cyclization with 2,2,2-Trichloroethoxycarbonyl Azide
作者:Tao Zhang、Zhen Wang、Xuejiao Hu、Meng Yu、Tianning Deng、Guigen Li、Hongjian Lu
DOI:10.1021/acs.joc.6b00818
日期:2016.6.3
An Ir(III)-catalyzed direct C–H amidation/cyclization of benzamides using 2,2,2-trichloroethoxycarbonyl azide (TrocN3) as the aminocarbonyl source is reported. With the aid of cesium carboxylate, the reactions proceed efficiently and with high regioselectivity, producing various functionalized quinazoline-2,4(1H,3H)-diones, which are important building blocks and key synthetic intermediates for biologically