Abstract:
The invention relates to p-phenylenediamines of formula: ##STR1## in which R.sub.1 denotes an alkyl, hydroxyalkyl or polyhydroxyalkyl radical and R.sub.2 denotes a hydrogen atom or an alkyl radical, as well as the corresponding salts with acids, and to the compositions and the process for dyeing keratinous fibres, and especially hair, employing them.
Abstract:
New 3-amino-4-nitrophenols, the process for preparation thereof and their use in dyeing keratinous fibers, and new intermediate 4,5-dinitrophenols.The present invention relates to a 3-amino-4-nitrophenol of formula: ##STR1## where Z denotes --CH.sub.2 --W, W denoting hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl, (C.sub.1 -C.sub.3)alkoxy(C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.3)hydroxyalkoxy(C.sub.1 -C.sub.6)alkyl and R denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl or (C.sub.1 -C.sub.3)alkoxy(C.sub.1 -C.sub.6)alkyl, the process for preparation thereof and the intermediate compound of formula: ##STR2## in which Z' denotes CH.sub.2 --W, W denoting C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl, (C.sub.1 -C.sub.3)alkoxy-(C.sub.1 -C.sub.6)alkyl or (C.sub.1 -C.sub.3)hydroxyalcoxy(C.sub.1 -C.sub.6)alkyl.The dyes (I) are useful in direct dyeing of keratinous fibers, in particular human hair.
Abstract:
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.
Abstract:
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.
Abstract:
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.
Abstract translation: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。
Abstract:
The invention relates to a process for dyeing keratinous fibres, which consists in applying to these fibres a composition containing, in a suitable medium for dyeing, at least one coupler of formula: ##STR1## where R.sub.1 denotes hydrogen or alkyl,R.sub.2 and R.sub.3 denote hydrogen, alkyl, COOR' where R' is alkyl or hydrogen,at least one of the groups R.sub.2 and R.sub.3 denoting hydrogen,R.sub.4 denotes hydrogen, alkyl, hydroxyalkyl, polyhydroxyalkyl or aminoalkyl,Z.sub.1 and Z.sub.2 denote hydrogen, alkyl, hydroxyl, halogen, alkoxy,at least one of the groups Z.sub.1 and Z.sub.2 is other than hydrogenat least one oxidation dye precursor,at least one oxidizing agent, the pH of the composition applied to the fibres being higher than 7.
Abstract:
A method for dyeing keratin fibers, wherein a composition is applied to said fibers which contains, in a suitable dyeing medium, at least one coupler having formula (I) ##STR1## wherein R.sub.1 is hydrogen or alkyl; R.sub.2 and R.sub.3 are hydrogen, alkyl, COOR', where R' is alkyl or hydrogen; R.sub.4 is hydrogen, hydroxyalkyl, alkyl, polyhydroxyalkyl or acetyl or aminoalkyl wherein the amine may be mono- or disubstituted by alkyl; Z.sub.1 and Z.sub.2 are hydrogen, alkyl, hydroxy, halogen, alkoxy or a salt thereof; at least one precursor of an oxidation hair dye; and at least one oxidizing agent, the pH of the composition applied to the fibers being less than 7.
Abstract translation:一种用于染色角蛋白纤维的方法,其中将组合物施加到所述纤维中,所述纤维在合适的染色介质中包含至少一种具有式(I)的偶联剂:其中R 1是氢或烷基; R2和R3是氢,烷基,COOR',其中R'是烷基或氢; R4是氢,羟烷基,烷基,多羟基烷基或乙酰基或氨基烷基,其中胺可以被烷基单或二取代; Z 1和Z 2是氢,烷基,羟基,卤素,烷氧基或其盐; 氧化染发剂的至少一种前体; 和至少一种氧化剂,施加到纤维上的组合物的pH小于7。
Abstract:
Process for the preparation of 5,6-dihydroxyindole, wherein the compound of formula: ##STR1## in which R' denotes a hydrogen atom or an optionally substituted benzyl radical, is subjected either to the action of hydrogen under pressure or to a hydrogen transfer operation, in a solvent medium and in the presence of a hydrogenation catalyst.
Abstract:
3-Substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the process of preparation.3-Substituted para-aminophenols, of general formula: ##STR1## where X.dbd.H, halogen; Y.dbd.O--, --S--; R.dbd.alkyl, hydroxyalkyl, C.sub.1-4 aminoalkyl or C.sub.3 -C.sub.6 polyhydroxyalkyl;with the proviso that, when X.dbd.H, R is not methyl, and when X.dbd.H and Y.dbd.O, R is not ethyl;process #or preparing them, intermediate compounds of formula: ##STR2## where X.sup.1 .dbd.halogen, Y and R have the meaning stated above; with the proviso that, when Y.dbd.O, R is not methyl, and when R.dbd.aminoalkyl, X.sub.1 can also denote hydrogen;dyeing compositions containing one or more compounds of formula (I), and a process for dyeing human hair.
Abstract:
Method for dyeing keratinous fibres, in particular human keratinous fibres, such as hair, characterized in that a composition (A) containing, in a medium appropriate for dyeing, at least one aminoindole corresponding to the formula: ##STR1## in which: R.sub.1 and R.sub.3, independently of one another, represent a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;R.sub.2 denotes hydrogen or a C.sub.1 -C.sub.4 alkyl group or COOR', R' being a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;R.sub.4 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 hydroxyalkyl or C.sub.2 -C.sub.4 polyhydroxyalkyl group;Z.sub.1 represents a hydrogen or halogen atom or a C.sub.1 -C.sub.4 alkyl group or OR;R being a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group; andZ.sub.2 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;and its saltsis applied to said fibres, the colour being developed with the aid of an oxidizing system.