Palladium-catalyzed homocoupling of arenediazonium salts: an operationally simple synthesis of symmetrical biaryls

被引：40
|
作者：
Robinson, Monique K. [1 ]
Kochurina, Vasilina S. [1 ]
Hanna, James M., Jr. [1 ]
机构：
[1] Winthrop Univ, Dept Phys Chem & Geol, Rock Hill, SC 29733 USA
来源：
TETRAHEDRON LETTERS | 2007年 / 48卷 / 43期
关键词：
arenediazonium salts; Symmetrical biaryls; palladiumcatalyzed; homocoupling;
D O I：
10.1016/j.tetlet.2007.08.083
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A simple procedure for the intermolecular homocoupling of arenediazonium salts in air using a catalytic amount of palladium acetate is described. The optimum conditions were found to be 15 mol % palladium acetate in refluxing methanol, with no additional terminal reducing agent required. These optimized conditions were used to prepare biaryls from several arenediazonium tetrafluoroborate salts, and most examples proceeded in moderate to high yields. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：7687 / 7690
页数：4
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