摘要:
The invention relates to a product in powder form consisting of organic or inorganic particles having a lamellar structure, having a size of less than 50 microns and containing at least one synthetic melanotic pigment formed in situ by oxidation of an indole compound, and to its use for the protection of the human epidermis, in make-up products and for dyeing hair.
摘要:
The invention relates to a process for the preparation of nitroanilines, which consists in reacting an amine RNH.sub.2, or ammonia, with 3,4-methylenedioxynitrobenzene to give the products of the formula: ##STR1## in which R denotes hydrogen, alkyl, monohydroxyalkyl or polyhydroxyalkyl, alkoxyalkyl or aminoalkyl of the formula: ##STR2## in which R.sub.1 and R.sub.2, which are identical or different, denote hydrogen, alkyl or monohydroxyalkyl or polyhydroxyalkyl and n denotes an integer from 2 to 4, or of the formula: ##STR3## in which A denotes OCH.sub.2 or ##STR4## and R.sub.1 denotes --CH.sub.2 CH.sub.2 OH or ##STR5## or their salts. The invention also relates to the dyeing compositions for keratin fibres, and in particular for hair, which contain a dyestuff of the above formula (I) in which R denotes alkyl, polyhydroxyalkyl, alkoxyalkyl or aminoalkyl of the abovementioned formula, and to the dyestuffs of the formula (I) in which R denotes alkoxyalkyl or aminoalkyl of the above formula, and of the formula (IIB), which are novel.
摘要:
The present invention relates to a process for preparing a N,N'-disubstituted nitro-para-phenylenediamine (I) according to the following scheme: ##STR1## X denoting a halogen and R a lower alkyl, lower mono- or polyhydroxyalkyl, lower alkoxyalkyl or lower aminoalkyl group, in which the amino group can be mono- or disubstituted with a lower alkyl or lower mono- or polyhydroxyalkyl group, the nitrogen atom of said amino group being able to form part of a heterocyclic system.The invention also relates to the intermediate oxazolidones of formulae (II) and (III), and the new nitro-para-phenylenediamines in which R denotes a lower alkoxyalkyl, lower polyhydroxyalkyl or lower aminoalkyl group, as well as the dyeing compositions for keratinous fibres containing these new nitro-para-phenylenediamines.
摘要:
A new substituted metaaminophenol of formula (I): ##STR1## wherein Z represents a monohydroxylated or polyhydroxylated hydrocarbon radical of 1 to 6 carbon atoms or an aminoalkyl radical of the formula: ##STR2## wherein n is an integer from 1 to 6 and R.sub.1 and R.sub.2, which are identical or different, represent a hydrogen atom or an alkyl or hydroxyalkyl radical of 1 to 6 carbon atoms or an acyl radical of 1 to 4 carbon atoms, and R represents a hydrogen atom, an alkyl radical or monohydroxyalkyl or polyhydroxyalkyl, monocarbamylalkyl, dicarbamylalkyl, aminoalkyl, acyl, carbalkoxy, carbamyl or monoalkylcarbamyl radical, the abovementioned alkyl radicals containing 1 to 6 carbon atoms, or an acid salt thereof with the proviso that if R represents a hydrogen atom, Z cannot represent --CH.sub.2 CH.sub.2 OH is disclosed, together with a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process.
摘要:
The present invention relates to a process for preparing a N,N'-disubstituted nitro-para-phenylenediamine (I) according to the following scheme: ##STR1## X denoting a halogen and R a lower alkyl, lower mono- or polyhydroxyalkyl, lower alkoxyalkyl or lower aminoalkyl group, in which the amino group can be mono- or disubstituted with a lower alkyl or lower mono- or polyhydroxyalkyl group, the nitrogen atom of said amino group being able to form part of a heterocyclic system.The invention also relates to the intermediate oxazolidones of formulae (II) and (III), and the new nitro-para-phenylenediamines in which R denotes a lower alkoxyalkyl, lower polyhydroxyalkyl or lower aminoalkyl group, as well as the dyeing compositions for keratinous fibres containing these new nitro-para-phenylenediamines.
摘要:
A dyeing composition for keratinous fibres comprising a solvent and at least one dye which is a halogenated 2-nitro-aniline of formula: ##STR1## in which Y is a halogen and Z is a NHR.sub.2 group or Y is hydrogen and Z is a halogen and R.sub.1 and R.sub.2, which may be identical or different, are each hydrogen, an alkyl group, a mono- or polyhydroxylated alkyl group, an alkyl group substituted with an alkoxy or hydroxyalkoxy group, or an aminoalkyl group, the amino group of which is optionally substituted with one or two alkyl or hydroxyalkyl groups, and it being possible for the nitrogen atom of the aminoalkyl group to form part of a heterocycle, all the abve alkyl groups or moieties containing from 1 to 6 carbon atoms,or, if the compound of formula (I) contains an amine group which can be salified, a cosmetically acceptable salt thereof.
摘要:
Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds.Dyeing composition for keratinous fibres, and especially human hair, characterized in that it contains, in a cosmetically acceptable medium suitable for dyeing these fibres, at least one dye corresponding to the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a lower alkyl group or a group --SiR.sub.9 R.sub.10 R.sub.11 ;R.sub.2 and R.sub.3, which may be identical or different, denote a hydrogen atom, a lower alkyl group, a carboxyl group, a lower alkoxycarbonyl group or a group -COOSiR.sub.9 - R.sub.10 R.sub.11 ; and R.sub.5, which may be identical or different, denote at least one linear or branched C.sub.1 -C.sub.20 alkyl group, a formyl group, a linear or branched C.sub.2 -C.sub.20 acyl group, a linear or branched C.sub.3 -C.sub.20 alkenoyl group, a group --SiR.sub.9 R.sub.10 R.sub.11, a group --P(O)(OR.sub.6).sub.2 or a group R.sub.6 OSO.sub.2 --, the other group R.sub.4 or R.sub.5 being able to be a hydrogen atom, R.sub.4 and R.sub.5 are not simultaneously acetyl, or alternatively R.sub.4 and R.sub.5, together with the oxygen atoms to which they are attached, form a ring optionally containing a carbonyl group, a thiocarbonyl group, a group>P(O)OR.sub.6 or>CR.sub.7 R.sub.8 ;R.sub.6 denoting a hydrogen atom or a lower alkyl group, R.sub.7 denoting a hydrogen atom or a lower alkyl group, and R.sub.8 denotes a lower alkoxy group or a mono- or dialkylamino group, R.sub.9, R.sub.10 and R.sub.11, which may be identical or different, denoting linear or branched lower alkyl groups, and the cosmetically acceptable salts of alkali metals, alkaline earth metal metals, ammonia or amines.
摘要翻译:基于吲哚衍生物的角质纤维染色组合物和新化合物。 用于角质纤维,特别是人类头发的染色组合物,其特征在于,其在适合于染色这些纤维的化妆品可接受的培养基中含有至少一种对应于下式的染料:其中R 1表示氢原子 或低级烷基或-SiR 9 R 10 R 11基团; R2和R3可以相同或不同,表示氢原子,低级烷基,羧基,低级烷氧基羰基或基团-COOSiR9-R10R11; 和R 5可以相同或不同,表示至少一个直链或支链C 1 -C 20烷基,甲酰基,直链或支链C 2 -C 20酰基,直链或支链C 3 -C 20链烯酰基, SiR 9 R 10 R 11,基团-P(O)(OR 6)2或基团R 6 OSO 2 - ,另一基团R 4或R 5可以是氢原子,R 4和R 5不同时为乙酰基,或者R4和R5连同 形成任选地含有羰基,硫代羰基,基团> P(O)OR 6或> CR 7 R 8的环的氧原子。 R6表示氢原子或低级烷基,R7表示氢原子或低级烷基,R8表示低级烷氧基或一或二烷基氨基,R9,R10和R11可相同或不同, 表示直链或支链的低级烷基,以及碱金属,碱土金属金属,氨或胺的美容上可接受的盐。
摘要:
The invention provides as a coupling component for an oxidation hair dye composition a meta-diaminoalkylbenzene or a salt thereof, the alkyl substituent being n-propyl, iso-propyl or n-butyl.
摘要:
The present disclosure relates to novel N-alkylhydroxylated secondary para-phenylenediamine compounds, to a composition for dyeing keratin fibers, for instance human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one ortho- and/or meta-substituted N-alkylhydroxylated secondary para-phenylenediamine, to a process for dyeing keratin fibers comprising applying this composition, and also a dyeing “kit.”