in which R1 and R2 may be chosen from hydrogen atoms; R3 may be a phenyl group, n may chosen from 0 and 1; R4 and R5 may be alkyl groups having 1 to 6 carbon atoms; R6 may be chosen from phenol groups and aniline groups; X and Y may represent nitrogen atoms, wherein the group —NR4R5 may occupy a position chosen from the 1-, 6-, 8-, and 9-position when n is equal to 1; and A is an anionic counterion. Further disclosed herein are methods for dyeing keratinous fibers using these direct dyes."/>
Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye which is non-aminated at the 7-position and dyeing method using said at least one azodiazine direct dye
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Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye which is non-aminated at the 7-position and dyeing method using said at least one azodiazine direct dye
Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye which is non-aminated at the 7-position and dyeing method using said at least one azodiazine direct dye
Disclosed herein is a composition for dyeing keratinous fibers, comprising at least one direct dye corresponding to the following formula (I):; in which R1 and R2 may be chosen from hydrogen atoms; R3 may be a phenyl group, n may chosen from 0 and 1; R4 and R5 may be alkyl groups having 1 to 6 carbon atoms; R6 may be chosen from phenol groups and aniline groups; X and Y may represent nitrogen atoms, wherein the group —NR4R5 may occupy a position chosen from the 1-, 6-, 8-, and 9-position when n is equal to 1; and A is an anionic counterion. Further disclosed herein are methods for dyeing keratinous fibers using these direct dyes.
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机译：本文公开了一种用于角蛋白纤维染色的组合物，其包含至少一种对应于下式（I）的直接染料： 其中R 1 和R 2 可以选自氢原子; R 3 可以是苯基，n可以选自0和1; R 4 和R 5 可以是具有1-6个碳原子的烷基。 R 6 可以选自酚基和苯胺基; X和Y可以代表氮原子，其中基团–NR 4 R 5 可以占据选自1、6、8和9位的位置当n等于1时; A为阴离子抗衡离子。本文进一步公开了使用这些直接染料将角蛋白纤维染色的方法。
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