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The development of synthetic methods for the introduction of the sulfonyl fluoride moiety is therefore of importance. Herein, a transition\u2010metal\u2010free radical 1,2\u2010difunctionalization of unactivated alkenes via FSO<jats:sub>2<\/jats:sub>\u2010radical addition with subsequent vicinal alkynylation to access \u03b2\u2010alkynyl\u2010fluorosulfonylalkanes is presented. Alkynyl sulfonyl fluorides are introduced as highly valuable bifunctional radical trapping reagents that also serve as FSO<jats:sub>2<\/jats:sub>\u2010radical precursors. 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