This reaction synthesizes β-iodovinylsulfones using LED light, indicating a regioselective method with high yields.
The synthesis of β-iodovinylsulfones was carried out via direct bifunctionalization of terminal arylalkynes using an economical LED light source with a peak emission wavelength of 625 nm. The products were obtained with high yields (from 89 to 99 %) using equivalent amounts of reagents. The reaction of tosyl iodide with terminal arylalkynes proceeds via a radical mechanism and serves as a regioselective method for synthesizing β-iodovinylsulfones.
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V. A. Abramov (2025) studied this question.
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