Beckmann rearrangements in the bicyclo[2.2.1]heptan-2-one series

Abstract In contrast to norcamphor oxime ( 2 ), the E-oxime ( 6 ), derived from the acetonide of 5,6-dihydroxybicyclo[2.2.1]heptan-2-one, undergoes regiospecific Beckmann rearrangement to give the lactam ( 7 ).