Functionalization of alkenes and alkynes with [hydroxy(tosyloxy)iodo]benzene. Bis(tosyloxy)alkanes, vinylaryliodonium tosylates, and alkynylaryliodonium tosylates
Alkynylaryliodonium tosylates and aryl[.beta.-(tosyloxy)vinyl]iodonium tosylates from reactions of terminal alkynes with [hydroxy(tosyloxy)iodo]benzene