摘要:
2-Substituted para-aminophenols of general formula: ##STR1## where Y denotes oxygen or sulphur and R denotes a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl or C.sub.1 -C.sub.6 haloalkyl or a C.sub.2 -C.sub.6 polyhydroxyalkyl, provided that when Y=O, R is not methyl or ethyl and when Y=S, R is not ethyl; and dye composition containing one or more compounds of formula (I) where Y denotes an oxygen or sulphur atom and R is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 hydroxyalkyl, C.sub.1 -C.sub.6 haloalkyl or C.sub.2 -C.sub.6 polyhydroxyalkyl.
摘要:
Compounds, and a process for their preparation, have the formula ##STR1## or corresponding salts thereof wherein R represents a group of the formula ##STR2## wherein R.sub.1 represents oxazolinyl, --C.tbd.N, --CH.sub.2 OR.sub.2 or ##STR3## These compounds in the form of pharmaceutical or cosmetic compositions are useful for the treatment of keratinization disorders.
摘要翻译:化合物及其制备方法具有式(I)或其相应的盐,其中R表示下式的基团:其中R 1表示恶唑啉基,-C 3位N,-CH 2 OR 2或这些 药物或化妆品组合物形式的化合物可用于治疗角质化障碍。
摘要:
Linear and cyclic diorganopolysiloxanes containing dibenzoylmethane functional groups are well suited for the coating of optical fibers and for lubricating plastics, e.g., PVC.
摘要:
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.
摘要:
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 fibers, especially hair, employing them.
摘要:
3-Benzylidenecamphor-substituted diorganopolysiloxanes, well adopted for incorporation into coating and lubricant compositions (notably as a lubricant for PVC), have the structural formulae (1) and (2) ##STR1## wherein A and/or B is a 3-benzylidenecamphor moiety.
摘要:
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.
摘要:
New chloro-meta-phenylenediamines, their use as couplers in the oxidation dyeing of keratinous fibres, dyeing compositions for hair containing these compounds and dyeing process using the said compositions.The invention relates to the compounds of formula: ##STR1## in which Z and Z' denote, independently of one another, an alkyl radical having from 1 to 4 carbon atoms or a hydroxyalkyl radical having from 2 to 4 carbon atoms, andR.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom, an alkyl radical having from 1 to 4 carbon atoms or a mono- or polyhydroxyalkyl radical having 2 or 3 carbon atoms, to their addition salts with an acid, and to their use by way of couplers for the oxidation dyeing of keratinous fibres, especially human hair.These compounds, when they are combined with paraphenylenediamines, surprisingly give beige to light brown hues or purple hues of greater or lesser redness, depending on the substitution of the 5-amino group of the chlorobenzene.
摘要:
The composition of the invention comprises, in a medium suitable for the treatment of keratin materials, and natural non-keratin or synthetic textile materials, at least one bis-(quaternary ammonium) derivatives having the formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.4 and R.sub.5 are identical or different and denote lower alkyl or lower hydroxyalkyl radicals, R.sub.3 is an alkyl, cycloalkyl, alkenyl, hydroxyalkyl or optionally substituted aralkyl radical containing a maximum of 20 carbon atoms, A.sub.1 and A.sub.2, which are identical or different, represent optionally substituted alkylene or arylene radicals which can contain up to 20 carbon atoms, Z=--SO.sub.2 -- or --CO--.sub.p, in which p=1 or 2, R.sub.6 and R.sub.7, which are identical or different, are hydrogen atoms or lower alkyl radicals, or alternatively , if Z=--CO--.sub.p in which p=1, R.sub.6 and R.sub.7 can together form a group: ##STR2## R.sub.8 and R.sub.9 being hydrogen atoms or lower alkyl radicals, and X.sup..crclbar. denotes an inorganic or organic anion derived from low molecular weight acids.
摘要:
A cosmetic composition for protection against ultraviolet radiation and its use for this purpose.The present invention relates to a cosmetic composition containing, as an agent for protecting against the UV rays at least one compound of the formula ##STR1## where Ar denotes an m- or p-phenylene or biphenylene radical capable of being substituted by one or more halogen atoms, one or more C.sub.1 -C.sub.6 lower alkyl or lower alkoxy groups,R denotes a hydrogen atom, an ester group --COOR.sub.1, an amide group --CONR.sub.1 R.sub.2 or a nitrile group;R' denotes an ester group --COOR.sub.1 or amide group --CONR.sub.1 R.sub.2 ; in addition when R denotes a hydrogen atom, R' can be an acid group --COOH or its salts,R.sub.1 being capable of being a linear, branched or cyclic, saturated or unsaturated carbon chain containing up to 18 carbon atoms, unsubstituted or substituted by one or more hydroxyl, alkoxy, amino or quaternary ammonium groups,R.sub.2 being capable of being a hydrogen atom or a C.sub.1 -C.sub.6 lower alkyl group, in a cosmetically acceptable medium.