申请人:Wella Aktiengesellschaft
公开号:US05865855A1
公开(公告)日:1999-02-02
The new bis-pyrazole aza compounds have the formula (I): ##STR1## wherein R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3 and R.sub.3 ' are the same or different, and are each, independently of each other, H, a straight, branched or cyclic alkyl group having 1 to 6 carbon atoms, a straight chain or branched monohydroxyalkyl group or polyhydroxyalkyl group with 1 to 6 carbon atoms, a straight or branched alkoxyalkyl group with 2 to 6 carbon atoms, a straight or branched monoaminoalkyl group or polyaminoalkyl group with 2 to 6 carbon atoms, or an unsubstituted aromatic or heteroaromatic ring, or a substituted aromatic or heteroaromatic ring having one or more halogen, a C.sub.1 - to C.sub.4 -alkyl group, a nitro group, a sulfonic acid group, a carboxylic acid group or a C.sub.1 - to C.sub.4 -alkoxy substituent, or an unsubstituted benzyl group, or a benzyl group substituted with one or more halogen atom, a hydroxy group, a C.sub.1 - to C.sub.4 - alkyl group, a nitro group or a C.sub.1 - to C.sub.4 -alkyoxy group, or R.sub.1 together with R.sub.2 and/or R.sub.1 ' together with R.sub.2 ' represent a C.sub.3 -diradical bridge. Hair dye compositions containing these new dye compounds and methods of making them are also disclosed.
新的双
吡唑氮化合物具有以下式子(I):##STR1##
其中R1,R1',R2,R2',R3和R3'相同或不同,且每个独立地为H,具有1至6个碳原子的直链、支链或环烷基,具有1至6个碳原子的直链或支链单羟基烷基或多羟基烷基,具有2至6个碳原子的直链或支链烷氧基烷基,具有2至6个碳原子的直链或支链单
氨基烷基或多
氨基烷基,或未取代的芳香或杂芳环,或带有一个或多个卤素,C1至C4烷基,硝基,
磺酸基,
羧酸基或C1至C4烷氧基取代的取代芳香或杂芳环,或未取代的苄基,或带有一个或多个卤素原子,羟基,C1至C4烷基,硝基或C1至C4烷氧基的取代苄基,或R1与R2和/或R1'与R2'共同表示C3-二基桥。还公开了含有这些新
染料化合物的染发组合物及其制备方法。