New alpha-benzoyl-cinnamic acid nitrile compounds useful as UV-filters in cosmetic or dermatological formulations and for increasing the photo stability of UV filters

摘要

Alpha-benzoyl-cinnamic acid nitrile compounds (I) are new. Alpha-benzoyl-cinnamic acid nitrile compounds of formula (I) are new. R 1>1-8C alkoxy; R 2>, R 3>H, 1-8C alkyl or 1-8C alkoxy; R 4>H or 1-8C alkyl; and R 5>-R 7>H, 1-8C alkyl or 1-8C alkoxy. An INDEPEDENT CLAIM is also included for a cosmetic or dermatological formulation comprising one or more of (I) as UV-absorber. [Image].