Copper-mediated trifluoromethylation of arylboronic acids by trifluoromethyl sulfonium salts |
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Authors: | Zhang Cheng-Pan Cai Ji Zhou Chang-Bing Wang Xiao-Ping Zheng Xing Gu Yu-Cheng Xiao Ji-Chang |
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Affiliation: | Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China. |
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Abstract: | The ligand-free trifluoromethylation of arylboronic acids with a [Ph(2)SCF(3)](+)[OTf](-)/Cu(0) system has been carefully investigated. Aryl-, alkenyl- and heteroarylboronic acids with a variety of functional groups were suitable substrates for this reaction. It is suggested that a CuCF(3) species is formed under the reaction conditions. |
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