Copper and Iron-assisted Palladium-catalyzed Direct Arylation of Azoles with Arylboronic Acids under Ligand and Base-free Conditions
XM Wu, QX Shen
Index: Wu, Xiang-Mei; Shen, Qiu-Xian Letters in Organic Chemistry, 2013 , vol. 10, # 9 p. 668 - 673
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Abstract
The direct arylation of azoles with arylboronic acids is effectively promoted by PdCl2 in the presence of copper and iron salts under ligand and base-free conditions. This reaction can be applied to heterocycles such as benzothiazole, benzoxazole, 1-methylbenzimidazole
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