Patent ID: 7101537
Filing Date: 2006-09-05
Classification: A61K,A61P,A61Q,C07D

Abstract:
1. A method for protecting skin and/or hair of a human from ultraviolet radiation comprising applying onto said skin and/or hair an effective amount of a compound of formula I, which is reproduced as formulae Ia and Ib, in which X is an N atom or a C—R A is a group of formula II or III X R, R R Sub Hal is fluorine, chlorine, bromine or iodine, n is 0, 1, 2, 3 or 4, R the radicals R R′ and R″ are each, independently of one another, H or C Ar is an unsubstituted or monosubstituted or polysubstituted aromatic ring or fused ring systems having 6 to 18 carbon atoms, in which one or two CH groups may also be replaced by C═O, Het is an unsubstituted or monosubstituted or polysubstituted heteroaromatic ring having 5 to 7 ring members or a fused ring system, where the heteroatoms present are one or more N, S and/or O atoms, and in which one or two CH groups in the α- or β-position to the heteroatoms may also be replaced by C═O, R Sub