Abstract
Treatment of allylic (±)-p-toluenesulfinate with tetrakis(triphenylphosphine)palladium in the presence of chiral phosphine ligands resulted in allylic sulfinate-sulfone rearrangements to give the corresponding optically active allylic sulfones in high optical yields. The palldium-catalyzed reactions of readily obtainable allylic acetates with sodium p-toluenesulfinate in the presence of chiral phosphine ligands provide a new method for preparation of optically active allylic sulfones with high enantiomeric excess.
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