Abstract The synthesis of 6β-hydroxy-and 6β, 7β-dihydroxy-8-alkyl-8-azabicyclo [3.2. 1] octane-3-spiro-5′-hydantoins was stereoselectively achieved by Bucherer-Bergs reaction of the corresponding ketones. An α configuration on C 3 was proposed for all hydantoins on the basis of spectral data.