Palladium-mediated phosphine-dependent chemoselective bisallylic alkylation leading to spirocarbocycles.

Angew Chem Int Ed Engl

Equipe Chirosciences, UMR CNRS 7313-iSm2, Aix Marseille Université, Ecole Centrale de Marseille, Av Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France.

Published: August 2012

Cycles everywhere: The selectivity in the transformations of 1,3-diones to carbocycles by palladium-catalyzed bisallylic alkylations is strongly dependent on the phosphine that is employed. Moreover, synthesized vinylcyclopentenes can be easily transformed into cycloheptadiene derivatives through a carbon-carbon allylic bond cleavage.

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http://dx.doi.org/10.1002/anie.201204629DOI Listing

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