abstract |
The use of cyclic sugar ketones of the formula n n n in which R 1 and R 2 are hydrogen, C 1 -C 22 -alkyl, C 2 -C 22 -alkenyl or phenyl, R 3 is C 1 -C 4 -alkoxy, phenyl-CH 2 —O— or a group of the formula n n n R 4 is hydrogen or R 3 and R 4 together are a group of the formula n n n and n is zero or 1, as catalysts for peroxygen compounds. |