Convenient synthesis of 1,1′-H-spiro[indoline-3,3′-piperidine]

The spirocyclic indoline ring system represents an important scaffold for the discovery of novel therapeutics. Herein, we describe the synthesis of 1,1′-H-spiro[indoline-3,3′-piperidine] using an intramolecular palladium-catalyzed α-arylation reaction.