Substrate scope of protecting groups and sulfonyl chlorides for the sulfenylation reactions^a,b,c.

^aReaction conditions: 1 (0.15 mmol), 2 (0.45 mmol), TBAI (3 equiv.), DMF 1 mL, 120 °C, 6 h, under air.

^bIsolated yields.

^cR¹ = p-tolyl for products 3b–3r.