申请人:Hans Schwarzkopf GmbH
公开号:US05078748A1
公开(公告)日:1992-01-07
Compounds of formula I are disclosed: ##STR1## and their salts with inorganic and organic acids, wherein either X denotes H and Y denote OR or HNR, or X denotes OR or NHR and Y denotes H, and R represents hydroxy(C.sub.2 -C.sub.3) alkyl, 2,3-dihydroxypropyl, methoxy(c.sub.2 -C.sub.3) alkyl, tetrahydrofurylmethyl or tetrahydropyrylmethyl. Processes are described for the preparation of compounds of formula I as well as aqueous coloring agents for keratin fibers, such as fur and human hair, containing at least one compound of formula I as the coupler and at least one developing component, as well as customary additives and auxiliaries.
公式I的化合物已被披露:##STR1##及其与无机和有机酸的盐,其中X表示H,Y表示OR或HNR,或X表示OR或NHR,Y表示H,R代表羟基(C.sub.2 -C.sub.3)烷基,2,3-二羟基丙基,甲氧基(C.sub.2 -C.sub.3)烷基,四氢呋喃基甲基或四氢吡啶基甲基。描述了制备公式I化合物的过程,以及用作角质纤维(如毛皮和人类头发)的水性染料剂,其中包含至少一种公式I化合物作为偶联剂和至少一种显色组分,以及惯常的添加剂和辅助剂。