Regioselective synthesis of 2,3-dihydrobenzodioxepinones from epoxides and 2-bromophenols via palladium-catalyzed carbonylation?

Chemical Communications Pub Date: 2013-12-23 DOI: 10.1039/C3CC48490D

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.

Graphical abstract: Regioselective synthesis of 2,3-dihydrobenzodioxepinones from epoxides and 2-bromophenols via palladium-catalyzed carbonylation
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