An efficient, rapid and regioselective nuclear bromination of aromatics and heteroaromatics with NBS using sulfonic-acid-functionalized silica as a heterogeneous recyclable catalyst

被引：76
|
作者：
Das, Biswanath [1 ]
Venkateswarlu, Katta [1 ]
Krishnaiah, Maddeboina [1 ]
Holla, Harish [1 ]
机构：
[1] Indian Inst Chem Technol, Organ Chem Div 1, Hyderabad 500007, Andhra Pradesh, India
来源：
TETRAHEDRON LETTERS | 2006年 / 47卷 / 49期
关键词：
aromatic and heteroaromatic compounds; nuclear bromination; NBS; sulfonic-acid-functionalized silica; regioselectivity; heterogeneous recyclable catalyst;
D O I：
10.1016/j.tetlet.2006.10.029
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A simple, efficient and rapid method has been developed for high-yielding regioselective nuclear monobromination of aromatic and heteroaromatic compounds using NBS in the presence of sulfonic-acid-functionalized silica at room temperature. The catalyst works under heterogeneous conditions and can be recycled. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：8693 / 8697
页数：5
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