Palladium-catalyzed synthesis of tricyclic heterocycles

ORGN 641

Mark Lautens, Dept. of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada and Dino Alberico, dalberic@chem.utoronto.ca, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, ON M5S 3H6, Canada.

Our group has explored the synthesis of polysubstituted bicyclic molecules utilizing a palladium-catalyzed three-component domino reaction. Application of this novel sequence to tricyclic heterocycles 2 will be presented. The reaction sequence involves intramolecular ortho and ortho' alkylations of 1 followed by an intermolecular Heck reaction.