Palladium-catalyzed oxidative arylation of chromones via a double C-H activation: an expedient approach to flavones

被引:40
作者
Kim, Ko Hoon
Lee, Hyun Seung
Kim, Se Hee
Kim, Jae Nyoung [1 ]
机构
[1] Chonnam Natl Univ, Dept Chem, Kwangju 500757, South Korea
基金
新加坡国家研究基金会;
关键词
Palladium; Chromones; Oxidative arylation; Flavones; C-H activation; CROSS-COUPLING REACTION; METALATION-DEPROTONATION; ARYLBORONIC ACIDS; BOND FORMATION; SIMPLE ARENES; ISOFLAVONES; DERIVATIVES; 1,3-DIMETHYLURACIL; FUNCTIONALIZATION; HETEROARENES;
D O I
10.1016/j.tetlet.2012.03.100
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A palladium-catalyzed oxidative arylation of chromones was examined. A regioselective 2-arylation of chromone was carried out via a double C-H activation process. The procedure provided an expedient approach for the preparation of flavone derivatives. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2761 / 2764
页数:4
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