Abstract
Synthesis of β-iodovinyl sulfones was performed out by direct bifunctionalization of internal alkynes using an economical LED light source with a maximum emission wavelength of 625 nm. The products were obtained in high yields (68 to 99%) using equivalent amounts of reagents. The reaction of arylsulfonyl iodides with internal alkynes proceeds by a radical mechanism and is a regioselective method for the synthesis of β-iodovinyl sulfones.
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