Jh. Rigby et Fc. Pigge, SYNTHETIC APPLICATIONS OF CHROMIUM(0)-PROMOTED HIGHER-ORDER CYCLOADDITION - EFFICIENT CONSTRUCTION OF THE 6-AZABICYCLO[3.2.1]OCTANE RING-SYSTEM, Synlett, (7), 1996, pp. 631
A novel, versatile synthetic route into the 6-azabicyclo [3.2.1]octane
ring system has been developed using the chromium(0)-promoted [6 pi 2 pi] cycloaddition between cycloheptatriene and several alkyl isocya
nates.