An Aryl to Imidoyl Palladium Migration Process Involving Intramolecular C−H Activation
Journal of the American Chemical Society2007Vol. 129(16), pp. 5288–5295
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Abstract
Biologically interesting fluoren-9-one and xanthen-9-one derivatives have been prepared by a novel aryl to imidoyl palladium migration, followed by intramolecular arylation. The fluoren-9-one synthesis appears to involve both a palladium migration mechanism and a C-H activation process proceeding through an unprecedented organopalladium(IV) hydride intermediate. The results from deuterium labeling experiments are consistent with the proposed dual mechanism.
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