AROMATIC AMIDOTHIAZOLES, COSMETIC AND DERMATOLOGICAL PREPARATIONS CONTAINING THEM, AND THEIR USE FOR THE TREATMENT AND PROPHYLAXIS OF UNWANTED PIGMENTATION OF THE SKIN

The invention relates to aromatic amidothiazoles of the general formula, in which R 1 = -C3-C24 aryl (optionally monosubstituted or polysubstituted with -OH, -F, -Cl, -Br, -I, -OMe, -NH2, -CN, acetyl, polysubstituted with hydroxy, wherein said hydroxy functions can be bonded as acetal), -C3-C24 heteroaryl (optionally monosubstituted or polysubstituted with -OH, -F, -Cl, -Br, -I, -OMe, -NH2, -CN, acetyl, polysubstituted with hydroxy, wherein said hydroxy functions can be bonded as acetal), -C3-C24-aryl-C1-C24-alkyl (linear and branched), -C3-C24-heteroaryl-C1-C24-alkyl (linear and branched), -C3-C24-aryl-C1-C24-alkyl-hydroxy (linear and branched), -C3-C24-heteroaryl-C1-C24-alkyl-hydroxy (linear and branched) -2-hydroxyphenyl, -3-hydroxyphenyl, -4-hydroxyphenyl, -pyridin-2-yl, -pyridin-3-yl, -pyridin-4-yl, pyridin-1(2H)-yl, -pyrimidin-2-yl, -pyrazin-2-yl, -pyrimidin-4-yl, -pyridazin-3-yl, - pyridazin-4-yl, -pyrimidin-2-yl, -pyrimidin-5-yl, -1,2,4-triazin-3-yl, -l,3,5-triazin-2-yl, -l,2,3-triazin-4-yl, -l,2,3-triazin-5-yl, -l,2,3,4-tetrazin-5-yl, -l,2,3,5-tetrazin-4-yl, -l,2,4,5-tetrazin-3-yl, -pentazin-6-yl, -thiazole, -imidazole, -oxazole, -isoxazole, -NH-aryl (optionally monosubstituted or polysubstituted with -OH, -F, -Cl, -Br, -I, -OMe, -NH2, -CN, acetyl, polysubstituted with hydroxy, wherein said hydroxy functions can be bonded as acetal), -NH-heteroaryl (optionally monosubstituted or polysubstituted with -OH, -F, -Cl, -Br, -I, -OMe, -NH2, -CN, acetyl, polysubstituted with hydroxy, wherein said hydroxy functions can be bonded as acetal), mono(hydroxyalkyl)-phenyl-, oligo(hydroxyalkyl)-phenyl. The invention further relates to cosmetic or dermatological preparations having an effective content of one or more aromatic amidothiazoles and to the use thereof for the cosmetic or dermatological treatment and/or prophylaxis of undesired skin pigmentation.