An Efficient Ullmann-Type C-O Bond Formation Catalyzed by an Air-Stable Copper(I)-Bipyridyl Complex
Jiajia Niu, Hua Zhou, Zhigang Li, Jingwei Xu* and Shaojing Hu
*Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Graduate School of Chinese Academy of Sciences, Changchun 130022, P. R. China, Email: jwxuciac.jl.cn
J. Niu, H. Zhou, Z. Li, J. Xu, S. Hu, J. Org. Chem., 2008, 73, 7814-7817.
DOI: 10.1021/jo801002c (free Supporting Information)
An efficient O-arylation of phenols and aliphatic alcohols with aryl halides can be performed in good yield in the presence of a low loading of an air-stable copper(I) complex as the catalyst without Cs2CO3. Various functional groups are compatible with these reaction conditions.
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