申请人:Goettel Otto
公开号:US20050081312A1
公开(公告)日:2005-04-21
N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid
wherein
R1 and R2 independently of each other denote a hydrogen atom, a straight-chain or branched C
1
-C
6
-alkyl group, a hydroxyl group, a straight-chain or branched C
1
-C
6
-monohydroxyalkyl group, a straight-chain or branched C
3
-C
6
-dihydroxyalkyl group, a straight-chain or branched C
1
-C
6
-alkoxy group, a straight-chain or branched C
1
-C
6
-hydroxyalkoxy group, a straight-chain or branched C
3
-C
6
-dihydroxyalkoxy group, an amino group, a C
1
-C
4
-monoalkylamino group, a di(C
1
-C
4
)-alkylamino group, a halogen atom, a difluoromethyl group or a trifluoromethyl group; Y stands for a nitrogen atom or a C—R3 group, wherein C is a carbon atom of the aromatic ring and R3 is a hydrogen atom, a halogen atom, a straight-chain or branched C
1
-C
6
-alkyl group, a straight-chain or branched C
1
-C
6
-hydroxyalkyl group, a straight-chain or branched C
1
-C
6
-alkoxy group, a straight-chain or branched C
2
-C
6
-hydroxyalkoxy group or a straight-chain or branched C
2
-C
6
-alkoxyalkoxy group; X denotes an acid radical and n has a value from 0 to 3; provided that when Y stands for a C—R3 group, at least one of the R1, R2 and R3 groups is different from hydrogen; as well as colorants for keratin fibers containing these compounds.
式(I)的N-芳基-4,5-二氨基吡唑或其有机或无机酸的生理相容性盐,其中R1和R2独立地表示氢原子,直链或支链C1-C6烷基,羟基,直链或支链C1-C6单羟基烷基,直链或支链C3-C6双羟基烷基,直链或支链C1-C6烷氧基,直链或支链C1-C6羟基烷氧基,直链或支链C3-C6双羟基烷氧基,氨基,C1-C4单烷基氨基基,二(C1-C4)-烷基氨基基,卤原子,二氟甲基基或三氟甲基基; Y表示氮原子或C-R3基团,其中C是芳环的碳原子,R3是氢原子,卤原子,直链或支链C1-C6烷基,直链或支链C1-C6羟基烷基,直链或支链C1-C6烷氧基,直链或支链C2-C6羟基烷氧基或直链或支链C2-C6烷氧基烷氧基; X表示酸基团,n的值为0到3; 前提是当Y表示C-R3基团时,R1,R2和R3中至少有一个不同于氢;以及含有这些化合物的角蛋白纤维染料。