Efficient preparation of E-β-iodovinyl phenylsulfone by finkelstein reaction at a vinylic center

Article abstract of DOI:10.1016/S0040-4039(98)01835-8

Treatment of E-β-chlorovinyl phenylsulfone, a crystalline compound that can be conveniently prepared on a large scale from 1,1,2-trichloroethane, by sodium iodide in acetone at ca 130 °C, in a sealed vessel, affords the title iodosulfone in good yield.