A versatile strategy for the α-substitution of enones through the formal fusion between enones and unactivated alkenes is described. It relies on the formation and use of α-xanthyl-β-hydroxy ketones, which… Click to show full abstract
A versatile strategy for the α-substitution of enones through the formal fusion between enones and unactivated alkenes is described. It relies on the formation and use of α-xanthyl-β-hydroxy ketones, which can be considered as synthetic equivalents of the high energy and difficult to tame alkenyl radicals. The process, which can often be accomplished one-pot, could be extended in one case to an α,β-unsaturated ester.
               
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