Regioselective synthesis of 2,3-dihydrobenzodioxepinones from epoxides and 2-bromophenols via palladium-catalyzed carbonylation†
Abstract
A highly regioselective cascade synthesis of 2,3-dihydrobenzodioxepinone from 2-bromophenols and epoxides has been developed. The reactions go through nucleophilic ring-opening of epoxides and subsequent palladium-catalyzed intramolecular alkoxylcarbonylation.