申请人:L'Oreal
公开号:US05002585A1
公开(公告)日:1991-03-26
Trialkoxy-substituted meta-phenylenediamines, a process for their preparation, and their use as couplers for oxidation dying of keratinous fibres and in particulate of human hair. 1,3,5-trialkoxy-meta-phenylenediamine of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of each other, a hydrogen atom, an alkyl radical containing 1 to 4 carbon atoms or a mono- or polyhydroxyalkyl radical containing 2 or 3 carbon atoms, Z denotes an alkyl radical containing from 1 to 4 carbon atoms, provided that, when R.sub.1 and R.sub.2 simultaneously denote a hydrogen atom, Z does not denote the methyl radical, and the addition salts of this compound with an acid. Process for the preparation of these compounds and their use as coupler in oxidation dying compositions for hair.
三个试验性的三烷氧基取代的间苯二胺,其制备方法,以及它们作为角蛋白纤维氧化染色的偶联剂和人类头发颗粒中的使用。式子为:##STR1## 其中:R.sub.1和R.sub.2独立地表示氢原子,含有1至4个碳原子的烷基基团或含有2或3个碳原子的单糖基或多糖基烷基基团,Z表示含有1至4个碳原子的烷基基团,但当R.sub.1和R.sub.2同时表示氢原子时,Z不表示甲基基团,以及该化合物与酸的加成盐。该化合物的制备方法及其在头发氧化染料组合物中作为偶联剂的用途。