申请人:L'Oreal
公开号:US04904276A1
公开(公告)日:1990-02-27
New nitroaminophenols, the process for preparation thereof and their use in dyeing keratinous fibres, and new intermediate nitroaminobenzenes and their use in dyeing keratinous fibres. The invention relates to a nitroaminophenol of formula: ##STR1## in which Z denotes -CH.sub.2 W, W denoting H, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl, (C.sub.1 -C.sub.3), alkoxy(C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.3)hydroxyalkoxy(C.sub.1 -C.sub.6)-alkyl and R denotes H, (C.sub.1 -C.sub.6)alkyl, C.sub.1 -C.sub.6 hy-droxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl or (C.sub.1 -C.sub.3)-alkoxy(C.sub.1 -C.sub.6)alkyl, and the process for preparation thereof, and the intermediate compound of formula: ##STR2## in which R' denotes C.sub.1 -C.sub.6 hydroxyalkyl, C.sup.2 -C.sub.6 polyhydroxyalkyl or (C.sub.1 -C.sub.3)alkoxy(C.sub.1 -C.sub.6)alkyl and the process for preparation thereof. The dyes of formulae (I) and (II') can be used in direct dyeing of keratinous fibres, in particular, human hair.
新的硝基氨基酚,其制备过程以及它们在染色角蛋白纤维中的应用,以及新的中间体硝基氨基苯和它们在染色角蛋白纤维中的应用。该发明涉及一种化学式为:##STR1##其中Z表示-CH.sub.2 W,W表示H,C.sub.1-C.sub.6烷基,C.sub.1-C.sub.6羟基烷基,C.sub.2-C.sub.6多羟基烷基,(C.sub.1-C.sub.3)烷氧基(C.sub.1-C.sub.6)烷基或(C.sub.1-C.sub.3)羟基氧基(C.sub.1-C.sub.6)-烷基,R表示H,(C.sub.1-C.sub.6)烷基,C.sub.1-C.sub.6羟基烷基,C.sub.2-C.sub.6多羟基烷基或(C.sub.1-C.sub.3)烷氧基(C.sub.1-C.sub.6)烷基,以及其制备过程和化学式为:##STR2##其中R'表示C.sub.1-C.sub.6羟基烷基,C.sup.2-C.sub.6多羟基烷基或(C.sub.1-C.sub.3)烷氧基(C.sub.1-C.sub.6)烷基,以及其制备过程。化学式(I)和(II')的染料可用于直接染色角蛋白纤维,特别是人发。