Construction of the flavones and aurones through regioselective carbonylative annulation of 2-bromophenols and terminal alkynes

被引：41

作者：

Liu, Jianming ^{[1
]}

Liu, Muwen ^{[1
]}

Yue, Yuanyuan ^{[1
]}

Zhang, Ningfei ^{[1
]}

Zhang, Yuanli ^{[1
]}

Zhuo, Kelei ^{[1
]}

机构：

[1] Henan Normal Univ, Sch Chem & Environm Sci, Minist Educ, Key Lab Green Chem Media & React, Xinxiang 453007, Henan, Peoples R China

来源：

TETRAHEDRON LETTERS | 2013年 / 54卷 / 14期

基金：

中国国家自然科学基金;

关键词：

2-Bromophenols; Carbonylative annulation; Flavones; Aurones; PALLADIUM-CATALYZED SYNTHESIS; PLANT PROANTHOCYANIDINS; OXIDATIVE CYCLIZATION; CONVENIENT SYNTHESIS; PRACTICAL SYNTHESIS; O-IODOPHENOLS; RING-CLOSURE; ARYL; CHROMONES; KETONES;

D O I：

10.1016/j.tetlet.2013.01.043

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The easily available and efficient catalyst containing a benzimidazolium ligand and PdCl2(PPh3)(2) demonstrated excellent catalytic activity to construct the flavones and aurones, respectively. This reaction can be operated under mild conditions, affording the desired products in moderate to good yields. This protocol was used to prepare the flavones and aurones by a slight modification of amines. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1802 / 1807

页数：6

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