The oxidation of 1,8-cineole (1) and methyl dehydroabietate (8b) by hy
drogen peroxide, catalysed by Mn(III) porphyrin complexes, is reported
. Five oxygenated products (2-6) have been obtained from reactions at
positions 2 and 3 of 1,8-cineole and three oxygenated products (9-11)
from the reaction at position 7 of methyl dehydroabietate.