Abstract: The palladium-catalyzed carbonylative coupling of vinyl triflates with alkyl-, vinyl-, allyl-, and arylstannanes gives good yields of the cross-coupled ketone products. Regioselectively formed vinyl triflates can be used to produce divinyl ketones as regioisomerically pure compounds. The E and Z geometry of the vinylstannane is maintained during the coupling reaction. This methodology was applied to a total ...