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    • 20. 发明授权
    • New 2,4-dinitro- or 2-amino-4-nitro- or
2-nitro-4-amino-6-hydroxyalkylanilines, the process for preparation
thereof and their use in dyeing keratinous fibres, and especially human
hair
    • 新的2,4-二硝基或2-氨基-4-硝基 - 或2-硝基-4-氨基-6-羟基烷基苯胺,其制备方法及其在染色角质纤维,特别是人类头发中的用途
    • US4888445A
    • 1989-12-19
    • US119083
    • 1987-11-10
    • Alex JuninoGerard LangNicole Jehanno
    • Alex JuninoGerard LangNicole Jehanno
    • A61K8/41A61Q5/06A61Q5/10C07C215/68C09B51/00
    • A61K8/418A61Q5/065A61Q5/10
    • The invention relates to a compound of formula ##STR1## in which: X denotes a branched or unbranched alkylene radical containing 2 to 6 carbon atoms, optionally being able to be substituted with one or more hydroxyl radicals;R denotes a hydrogen atom, an alkyl or a mono- or polyhydroxyalkyl radical or an aminoalkyl radical in which the amine group can be mono- or disubstituted with an alkyl radical or with a mono- or polyhydroxyalkyl radical, the nitrogen atom also being able to form part of a heterocyclic system and the alkyl radicals containing 1 to 4 carbon atoms;R' denotes a hydrogen atom or a C.sub.1 to C.sub.4 alkyl radical;Y and Z denote a nitro and/or --NHR.sub.1 radical, R.sub.1 and R, which may be identical or different, having the meanings given above for R, with the proviso that when Y and Z are identical, they necessarily denote nitro radicals,and the cosmetically acceptable salts of the compounds containing a salifiable amine group, and also the process for preparing it and its use in dyeing keratinous fibres, and especially human hair.
    • 本发明涉及式(I)的化合物,其中:X表示含有2至6个碳原子的支链或非支链亚烷基,任选地可被一个或多个羟基取代; R表示氢原子,烷基或单羟基或多羟基烷基或氨基烷基,其中胺基可以被烷基或与单羟基或多羟基烷基单体或二取代,氮原子也可以 形成杂环体系的一部分和含有1至4个碳原子的烷基; R'表示氢原子或C1〜C4烷基; Y和Z表示硝基和/或-NHR 1基团,R 1和R可以相同或不同,具有上面对R给出的含义,条件是当Y和Z相同时,它们必须表示硝基,并且 含有可成胺基团的化合物的化妆品可接受的盐,以及其制备方法及其在染色角质纤维,特别是人类头发中的用途。