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white solid

Trifluoromethylation is not only achieved with 2-benzo- [d]thiazolyl sulfone, but also by using 2-[(Trifluoromethyl)sulfonyl]-pyridine with a less electron-deficient 2-pyridyl group owing to the stronger electron-withdrawing ability of the attached trifluoromethyl group.

Fluoroalkylation of isocyanides with various 2-[(Trifluoromethyl)sulfonyl]-pyridine

[1] JIAN RONG. Radical Fluoroalkylation of Isocyanides with Fluorinated Sulfones by Visible-Light Photoredox Catalysis[J]. Angewandte Chemie International Edition, 2016, 558: 2743-2747. DOI:10.1002/anie.201510533.