摘要:
New derivatives of 3-benzylidene camphor, process for preparing them and their use as protective agents against UV rays and as medicaments.Derivatives of 3-benzylidene camphor of formula: ##STR1## in which R denotes a hydrogen atom, a methyl or ethyl radical,R' denotes a hydrogen atom, a methyl or ethyl radical,R and R' being unable simultaneously to denote a hydrogen atom,R.sub.1 denotes a --COOR.sub.2, --CONHR.sub.2, --COO.sup.- M.sup.+, --CHO, --CH(OR.sub.4).sub.2 or --CH.sub.2 OR.sub.4 group,R.sub.2 being an alkyl, alkenyl, cycloalkyl or aralkyl radical containing at most 20 carbon atoms, optionally substituted by hydroxy, alkoxy, amine or quaternary ammonium groups,M denoting a hydrogen atom, an alkali metal or a N.sup.+ (R.sub.3).sub.4 group, R.sub.3 being a hydrogen atom or a C.sub.1 to C.sub.4 alkyl or hydroxyalkyl radical,R.sub.4 denoting H, alkyl, cycloalkyl or aralkyl containing at most 20 carbon atoms.Application in cosmetics for protection against UV rays.Therapeutic application for the treatment of dermatological and rheumatic complaints; anti-tumour activity.
摘要:
The present invention relates to a composition for dyeing keratinous fibers, containing at least one azodiazine direct dye corresponding to the following formula (I): The present invention also relates to a method for dyeing keratinous fibers using these direct dyes.
摘要:
Oxidation dye composition for keratinous fibers comprising a para-aminophenol, a meta-aminophenol and a meta-phenylenediamine and dyeing process using such a composition.The invention relates to a dyeing composition for keratinous fibers and in particular for human keratinous fibers such as hair, comprising, in a suitable medium for dyeing, at least one oxidation dye precursor chosen from 3-methyl-para-aminophenol, 2-methyl-para-aminophenol and 2-hydroxymethyl-para-aminophenol, and their addition salts with an acid; at least one coupling agent chosen from the 2-methyl-5-aminophenols of formula (I): ##STR1## where R denotes hydrogen, methyl, ethyl, .beta.-hydroxyethyl or .gamma.-hydroxypropyl, and their addition salts with an acid; and, as additional coupling agent, at least one meta-phenylenediamine or one of its addition salts with an acid. The invention also relates to a dyeing process implementing development by an oxidizing agent.
摘要:
Composition and process for dyeing keratinous fibers using sulphurous metaaminophenols of formula (I): ##STR1## in which Z is a C.sub.1 -C.sub.18 alkyl radical, an aryl radical, an aralkyl in which the alkyl radical has from 1 to 5 carbon atoms, a C.sub.2 -C.sub.6 monohydroxyalkyl radical, a C.sub.2 -C.sub.6 polyhydroxyalkyl radical, an aminoalkyl radical of formula (I') ##STR2## in which n is an integer of between 1 and 6 inclusive, R.sub.1 and R.sub.2, which may be the same or different, are a hydrogen atom or a C.sub.1 -C.sub.4 alkyl, a C.sub.1 -C.sub.4 hydroxyalkyl, a C.sub.2 -C.sub.6 acyl radical; R is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl radical, a C.sub.1 -C.sub.6 monohydroxyalkyl or a C.sub.2 -C.sub.6 polyhydroxyalkyl radical, a C.sub.1 -C.sub.6 monocarbamylalkyl, a C.sub.1 -C.sub.6 dicarbamylalkyl, a C.sub.1 -C.sub.4 aminoalkyl, a C.sub.1 -C.sub.6 acyl, a C.sub.2 -C.sub.6 carbalkoxy, a carbamyl or a carbamyl C.sub.1 -C.sub.6 monoalkyl, R' is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical, a C.sub.1 -C.sub.4 thioalkyl or a C.sub.1 -C.sub.4 alkoxy, as well as the corresponding acid salts of said sulphurous metaaminophenols.
摘要:
A topical process for lightening the skin or treating pigmental blemishes consisting in applying to the part of the skin to be treated a composition containing, as active compounds, 4-thioresorcin derivatives corresponding to the following formula: ##STR1## wherein: R represents a C.sub.1 -C.sub.6 alkyl radical, a C.sub.1 -C.sub.6 haloalkyl radical, an aryl radical, an aralkyl radical which is unsubstituted or substituted by a lower alkyl or lower alkoxy radical or a halogen atom, the radical --C.sub.n H.sub.2n --COOR' where n is an integer between 1 and 5 and R' represents a C.sub.1 -C.sub.6 alkyl radical, a morpholinoalkyl or piperidinoalkyl radical in which the alkyl radical is C.sub.1 -C.sub.6, or the radical ##STR2##