申请人:Hans Schwarzkopf GmbH
公开号:US05163970A1
公开(公告)日:1992-11-17
Compounds of the formula I are described: ##STR1## wherein R.sup.1 and R.sup.2 independently of one another each represent a hydrogen atom, a (C.sub.1 -C.sub.2) alkyl group, a hydroxy (C.sub.2 -C.sub.3) alkyl group or a 2,3-dihydroxypropyl group and X is a fluorine atom, with the proviso that when R.sup.1 or R.sup.2 is hydrogen then the other is not a hydroxy (C.sub.2) alkyl group; processes for their preparation and aqueous hair coloring agents containing these compounds.
描述了公式I的化合物:##STR1## 其中R.sup.1和R.sup.2各自独立地表示氢原子,(C.sub.1-C.sub.2)烷基,羟基(C.sub.2-C.sub.3)烷基或2,3-二羟基丙基基团,X为氟原子,但当R.sup.1或R.sup.2为氢时,另一个不是羟基(C.sub.2)烷基;其制备过程和含有这些化合物的水性染发剂。