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  • Title: Copper-mediated trifluoromethylation of arylboronic acids by trifluoromethyl sulfonium salts.
    Author: Zhang CP, Cai J, Zhou CB, Wang XP, Zheng X, Gu YC, Xiao JC.
    Journal: Chem Commun (Camb); 2011 Sep 07; 47(33):9516-8. PubMed ID: 21773611.
    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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