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  • Title: Palladium- and nickel-catalyzed alkenylation of enolates.
    Author: Ankner T, Cosner CC, Helquist P.
    Journal: Chemistry; 2013 Feb 04; 19(6):1858-71. PubMed ID: 23325616.
    Abstract:
    Transition-metal-catalyzed alkenylation of enolates provides a direct method to synthesize broadly useful β,γ-unsaturated carbonyl compounds from the corresponding carbonyl compound and alkenyl halides. Despite being reported in the early seventies, this reaction class saw little development for many years. In the past decade, however, efforts to develop this reaction further have increased considerably, and many research groups have reported efficient coupling protocols, including enantioselective versions. These reactions most commonly employ palladium catalysts, but there are also some important reports using nickel. There are many examples of this powerful transformation being used in the synthesis of complex natural products.
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