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A metal-free electrophilic trifluoromethylthiolation/selenolation has been developed. Electrophilic SCF3/SeCF3 species generated from trifluoromethyl sulfoxide/selenoxide and Tf2O successfully couple with alkynes bearing pendant nucleophiles to obtain the corresponding trifluoromethylthiolation/selenolation and cyclization products in good to high yield.
C. Yang, Y. Zhang, J. He, Y. Xia, X. Kong and Z. Yang, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D6CC02138G
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