A one-pot, palladium-catalyzed synthesis of substituted 2,3-bissulfonylpropenes starting with propargylic bromides and sodium sulfinates (RSO2Na) in the presence of n-Bu4NF under refluxing aqueous 1,4-dioxane conditions for eight hours in moderate yields is described.
Key words
cross-coupling - domino reaction - elimination - sulfones - palladium