UTILISATION DE DÉRIVÉS DE BENZOTROPOLONE EN TANT QU'ABSORBEURS UV ET ANTIOXYDANTS, ET LEUR UTILISATION DANS DES ÉCRANS SOLAIRES ET/OU DES COMPOSITIONS COSMÉTIQUES
Described is the use of benzotropolone and their derivatives, especially the compounds of formula (1)； wherein R2, R3, R4, R5 and R6 independently of one another are hydrogen； OH； C1-C30alkyl, C2-C30al- kenyl, C1-C30alkoxy, C3-C12cycloalkyl or C1C30hydroxyalkyl, which may be substituted by one or more E and/or interrupted by one or more D； C6-C20aryl, which may be substitu¬ ted by one or more G； C4-C20heteroaryl, which may be substituted by one or more G, C2- C18alkenyl, C2-C18alkynyl, C7-C25aralkyl, CN, or -CO-R17； C1-C30mono- or dialkylamino； COR9； COOR9； CONR9R10； CN； SO2R9； OCOOR9； OCOR9； NHCOOR9； NR9COR10； NH2； *-(CO)-NH-(CH2)n1-(PO)-(OR11)2； -(CO)-O-(CH2)n1-(PO)-(OR11)2； sulphate； sulphonate； phosphate； phosphonate； -(CH2)n2-[O-(SO2)]n3-OR11； -O-(CH2)n4(CO)n5-R11； -(O)n6-(CH2)n7-(PO)-(OR9)2； -(O)n6-(CH2)n7-SO2-OR9； halogen； organosilanyl； organo- siloxanyl； or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar- (CH2)n-(X1)1 or 0 -benzotropolone system, wherein n = 1 -10 and X1 = -0-； -(CO)-； -0-C0-； -COO-, -NH-； -S-； -SO2-)； R1, R7 and R8 independently of one another are hydrogen； C1C12alkyl or C3-C12-cycloalkyl, which may be substituted by one or more E and/or interrupted by one or more D； C6- C20aryl, which may be substituted by one or more G； C4-C20heteroaryl, which may be substituted by one or more G, C2-C18alkenyl, C2-C18alkynyl, C7-C25aralkyl, or COOR9； COR9； CONR9R10； SO3R9； SO2R9； PO3(R9)2； PO2(R9)2； organosilanyl； organosiloxanyl； or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH2)n-(X2)1 or 0-*, wherein n = 1 -10 and X2 = -C(=0)-； -0-C0-*)； R9 and R10 independently from each other are hydrogen； C1C18alkyl or C3-C12-cycloalkyl which may be substituted by one or more
