Copper-Catalyzed<i>N</i>- and<i>O</i>-Arylation of Amides: Alternative Approaches to 3,4-Dihydroquinolin-2-ones, Quinolin-2-ones, and 12<i>H</i>-Chromeno[2,3-<i>b</i>]quinolin-12-ones
作者:Xinying Zhang、Xiaojie Guo、Liangliang Fang、Yunping Song、Xuesen Fan
DOI:10.1002/ejoc.201301373
日期:2013.12
The efficient syntheses of 3-cyanoquinolin-2-ones, 3-(2-bromobenzyl)-3-cyano-3,4-dihydroquinolin-2-ones, 3-(2-bromobenzyl)quinolin-2-ones, and 12H-chromeno[2,3-b]quinolin-12-ones through copper-catalyzed N- and O-arylation of amides by using readily available 2-bromobenzyl bromides and cyanoacetamides as starting materials were developed.
3-氰基喹啉-2-ones、3-(2-bromobenzyl)-3-cyano-3,4-dihydroquinolin-2-ones、3-(2-bromobenzyl)quinolin-2-ones和12H-的高效合成使用容易获得的 2-溴苄基溴和氰基乙酰胺作为起始材料,通过铜催化酰胺的 N-和 O-芳基化,开发了 chromeno[2,3-b] quinolin-12-ones。