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Carbopalladation of β-allenylmalonates : a way to cyclopentenyl or vinylcyclopropyl derivatives.
Authors:Mohammed Ahmar  Bernard Cazes  Jacques Gore
Affiliation:Laboratoire de Chimie Organique 1, UA 0467 du CNRS, Université Claude Bernard, ESCIL, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
Abstract:The palladium-catalyzed addition of a vinyl or aryl halide to the enolate of β-allenyl malonate 2 leads to the formation of either of the two cyclized products 3 and 4 depending mainly on the bulk of the starting unsaturated halide.
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