METHOD FOR PREPARING UNSATURATED FATTY HYDROXY-ACIDS AND ESTERS THEREOF, THEIR USE IN PHARMACEUTICAL AND/OR COSMETIC COMPOSITIONS

摘要

The present invention relates to a process for the preparation of unsaturated fatty hydroxy acids and their esters corresponding to the following general formula (Id): Formula (Id) and to their use in pharmaceutical and / or cosmetic preparations as anti-active agent -collagenase, lipolytic, and / or anti-acne.