USE OF AMINOPHENYLBENZOTRIAZOLE DERIVATIVES FOR PROTECTING HUMAN AND ANIMAL SKIN AND HAIR FROM THE HARMFUL EFFECTS OF UV RADIATION AND COSMETIC COMPOSITIONS THEREOF

摘要

Abstract Disclosed are-(2'-Hydroxy-4'-aminophenyl)benzotriazole derivatives of formula R1 and R4 independently of each other are hydrogen; C1-C28alkyl; C1-C28alkoxy; C2-C28al-kenyl; C2-C28alkinyl; C3-C12cycloalkyl; C3-C12Cycloalkenyl; C7-C28aralkyl; C1-C20hetero-alkyl; C3-C12cycloheteroalkyl; or C5-C16heteroaralkyl; and wherein C1-C28alkyl, C1-C28al-koxy, C2-C28alkenyl and C2-C28alkinyl are unsubstituted or may be substituted by at least one C1-C5alkyl, C1-C5alkoxy or hydroxy; R2 and R3 independently of each other are hydrogen; C1-C28alkyl; C2-C28 alkenyl; C2~C1-nyl; C3-C12cycloalkyl; C1-C12cycloalkenyl; C7-C20aralkyl; C1-C20heteroalkyl; C3-C12cyclo-heteroalkyl; C5-C16heteroaralkyl; and wherein C1-C20alkyl, C1-C28alkoxy, C2-C28alkenyl and C2-C28alkinyl are unsubstituted or may be substituted by at least one C1-C5alkyl, C1-C5alkoxy or hydroxy; or CO-R5; or R2 and R3 together together with the linking nitrogen form a 5- to 7-membered, monocyclic, carbocyclic or heterocyclic ring; R5 is C1-C28alkyl; C2-C1alkenyl; C2-C28alkinyl; C3-C12cycloalkyl; C3-C12cycloalkenyl; C7-C20aralkyl; C1-C20heteroalkyl; C3-C12 cycloheteroalkyl; C1-C5alkoxycarbonyl-C1-C5alkyl; or C5-C16heteroaralkyt; for protecting human and animal hair and skin from harmful effects of UV radiation.