Journal of the Chemical Society. Chemical communications p. 1389 - 1391 (1993)
Update date:2022-08-16
Topics:
Chen, Qing-Yun
Duan, Jian-Xing
Methyl 3-oxa-ω-fluorosulfonylperfluoropentanoate FSO2CF2CF2OCF2CO2Me 1, prepared through the reaction of readily available ICF2CF2OCF2CF2SO2F and SO3 followed by MeOH, is a very convenient trifluoromethylating agent; in the presence of copper(I) iodide, 1 not only reacts with vinyl, benzyl allyl, phenyl iodides and bromides, but also with aryl chlorides to give the corresponding trifluoromethyl compounds in moderate to high yield; a probable reaction mechanism is proposed.
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