Palladium-catalyzed intermolecular cyclocarbonylation of 2-iodobenzylamines with Michael acceptors produces 1,2,3,4-tetrahydro-5H-2-benzazepin-5-one derivatives in moderate to good yields. This methodology enables the direct preparation of highly functionalized 1,2,3,4-tetrahydro-5H-2-benzazepin-5-ones from readily available starting materials.
Key words
cyclocarbonylation - heterocycles - palladium - 1,2,3,4-tetrahydrobenzazepin-5-one - Michael acceptor