Palladium-catalysed alkylative cyclisation of 2,3-butadienylmalonates to γ-lactones
Review articleOpen access
Abstract:

AbstractThe palladium-catalysed reaction of vinyl halides with the anions of 1,1-dimethyl-2,3-butadienylmalonates leads to 4-dienyl γ-lactones through an unexpected alkylative O-cyclisation pathway due to the steric demand of the α-allenic gem-dimethyl group.

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