Development of a general palladium-catalyzed carbonylative Heck reaction of aryl halides
Xiao-Feng Wu1, Helfried Neumann, Anke Spannenberg
1Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany.
Abstract:
The first general palladium-catalyzed carbonylative vinylation of aryl halides with olefins in the presence of CO has been developed. Applying a catalyst system consisting of [(cinnamyl)PdCl](2) and bulky imidazolyl-phosphine ligand L1 allows for the efficient and selective synthesis of α,β-unsaturated ketones under mild reaction conditions. Starting from easily available aryl halides and olefins, versatile building blocks can be prepared in a straightforward manner. The generality and functional group tolerance of this novel protocol is demonstrated.
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