| 摘要 |
<p>Agent (I) comprises at least a developer type oxidative dye precursor, in a cosmetic carrier, where the precursor comprises at least a coupler type 6-hydroxy-1H-pyridin-2-one compound (II) and/or its salt. Agent (I) comprises at least a developer type oxidative dye precursor, in a cosmetic carrier, where the precursor comprises at least a coupler type 6-hydroxy-1H-pyridin-2-one compound of formula (II) and/or its salt. R 1>H, 1-6C-alkyl, 2-6C-alkenyl, 1-6C-hydroxyalkyl, 2-6C-polyhydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl, CN or a carboxylic acid; R 2>H, 1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 2-6C-polyhydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl; Y 1>N +>(R 6>)(R 7>)(R 8>)-, pyridinium group of formula (a), 3H-imidazol-1-ium group of formula (b), pyridazin-1-ium group of formula (c), pyrimidin-1-ium group of formula (d) or pyrazin-1-ium group of formula (e); either R 3>, R 4>H, 1-6C-alkyl, OH, amino, carboxylic acid, sulfonic acid, 1-6C-alkoxy and/or halo; or R 3>R 4>(which are in o-position) : an optionally saturated 5- or 6-membered ring (optionally containing heteroatoms of O, N or S); R 5>1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl; R 6>-R 8>1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl, where two of R 6>-R 8>combines together to form a saturated 5- or 6-membered ring optionally containing heteroatoms of O, N or S; and X ->anion. An independent claim is included for a multicomponent packaging unit (kit of parts) comprising at least two separate container, where the container (A) comprises (I) and the container (B) comprises at least one oxidizing agent preparation (B) containing at least one oxidizing agent. [Image] [Image].</p> |
