摘要:
The invention relates to a preparation having light-protection properties comprising at least one compound of the formula I where R1 and R2 are selected from H and OR11, where each OR11, independently of the others, is OH, a straight-chain or branched C1- to C20-alkoxy group, a straight-chain or branched C3- to C20-alkenyloxy group, a straight-chain or branched C1- to C20-hydroxyalkoxy group, where the hydroxyl group(s) may be bonded to a primary or secondary carbon atom in the chain and furthermore the alkyl chain may also be interrupted by oxygen, and/or a C3- to C10-cycloalkoxy group and/or C3- to C12-cyclo-alkenyloxy group, where the rings may each also be bridged by —(CH2)n— groups, where n=1 to 3, and/or a mono- and/or oligoglycosyl radical, with the proviso that at least one radical from R1 and R2 is OR11, and R3 is a radical OR11, and R4 to R7 and R10 may be identical or different and are, independently of one another, radicals which are substantially inert with respect to the UV properties.
摘要:
The invention relates to compounds of the formula (I) or (II), to compositions which comprise such compounds, to corresponding processes for the preparation of the compounds or the compositions comprising same, and to the use thereof as light-protection filters.
摘要:
The invention relates to the use of chromen-4-one derivatives of the formula I where R1 and R2 may be identical or different and are selected from H, —C(═O)—R7, —C(═O)—OR7, alkyl groups, alkenyl groups, hydroxyalkyl groups and/or cycloalkyl groups and/or cycloalkenyl groups, R3 is H or alkyl groups, R4 is H or OR8, R5 and R6 are selected from —H, —OH, alkyl groups, alkenyl groups and hydroxyalkyl groups, and R7 is H, alkyl groups, a polyhydroxyl compound, such as, preferably, an ascorbic acid radical or glycosidic radicals, and R8 is H or alkyl groups, where at least two of the substituents R1, R2 and R4-R6 are different from H or at least one substituent from R1 and R2 is —C(═O)—R7 or —C(═O)—OR7, to prevent, reduce or combat signs of cellulite and/or reduce localized fatty excesses.
摘要:
Novel compounds of the formula I in which R, X and n are as defined herein, are inhibitors of tyrosine kinase and can be employed for the treatment of tumours, for neuroprotection and for protection of the stress proteins of the skin.
摘要:
The present invention relates to compounds of the formula (I), where R1 to each, independently of one another, denote H, hydroxyl or alkoxy having 1 to 8 C atoms, R4 denotes alkyl having 1 to 4 C atoms, H, hydroxyl or alkoxy having 1 to 8 C atoms, R5 denotes H or hydroxyl, and R6 denotes H or alkyl having 1 to 18 C atoms, or salts thereof, but where all R1 to R4 together cannot be equal to H, to compositions, and to the preparation and use thereof.
摘要:
The invention relates to a novel flavonoid derivative, to an extract comprising the flavonoid derivative, to the cosmetic and pharmaceutical use thereof, to preparations comprising the flavonoid derivative or extract, and to a process for the preparation of the flavonoid derivative or extract.
摘要:
The invention relates to the use of compounds of the formula (I), where R1 and R2 may be identical or different and stand for H, OH, OCH3, CH3, CH2OH or CH2OCH3, R3 stands for H or straight-chain or branched C1- to C20-alkyl groups, R4 stands for H or OR8, R5 and R6 may be identical or different and are selected from —H, —OH, straight-chain or branched C1 to C20-alkyl groups, straight-chain or branched C3- to C20-alkenyl groups, straight-chain or branched C1- to C20-hydroxyalkyl groups, where the hydroxyl group may be bonded to a primary or secondary carbon atom of the chain, and furthermore the allyl chain may also be interrupted by oxygen, and R8 stands for H or straight-chain or branched C1- to C20-alkyl groups, with the proviso that R2 does not denote H if R1 denotes CH3, as self-tanning agents, and to compounds and the preparation thereof.
摘要:
The invention relates to complexes of certain flavonoid derivatives, of the formula (1), where R1 and R2 are selected from H and OR11, where OR11 stands, independently of one another, for OH, straight-chain or branched C1- to C20-alkoxy groups, straight-chain or branched C3- to C20-alkenyloxy groups, straight-chain or branched C1- to C20-hydroxyalkoxy groups, where the hydroxyl group(s) may be bonded to a primary or secondary carbon atom in the chain and furthermore the alkyl chain may also be interrupted by oxygen, and/or C3- to C10-cycloalkoxy groups and/or C3- to C12-cycloalkenyloxy groups, where the rings may in each case also be bridged by —(CH2)n— groups, where n=1 to 3, and/or mono- and/or oligoglycosyl radicals, with the proviso that at least one radical from R1 and R2 stands for OR11, and R3 to R10 may be identical or different and stand, independently of one another, for radicals which are substantially inert with respect to the UV properties, to compositions which comprise such complexes, to corresponding processes for the preparation of the complexes or the compositions comprising the latter, and to the use thereof, in particular for the care, preservation or improvement of the general condition of the skin or hair and for light protection.
摘要:
The invention relates to compounds of the formula I where R1 to R10 may be identical or different and are selected from H, OR11, straight-chain or branched C1- to C20-alkyl groups or hydroxyalkyl groups, straight-chain or branched C3- to C20-alkenyl groups and/or C3- to C12-cycloalkenyl groups, where the rings may each also be bridged by —(CH2)n— groups, where n=1 to 3, where all OR11, independently of one another, stand for OH, C1- to C20-alkoxy groups, C3- to C20-alkenyloxy groups, straight-chain or branched C1- to C20-hydroxyalkoxy groups and/or C3- to C10-cycloalkoxy groups and/or C3- to C12-cycloalkenyloxy groups, where the rings may each also be bridged by —(CH2)n— groups, where n=1 to 3, and/or mono- and/or oligoglycosyl radicals, CD stands for a cyclodextrin molecule, o stands for the number 1 and p stands for a number from the range 0.5 to 50, with the proviso that at least 2 radicals from R1 to R7 stand for OH and that at least 1 pair of adjacent —OH groups is present in the molecule.
摘要:
The invention relates to a novel flavonoid derivative, to an extract comprising the flavonoid derivative, to the cosmetic and pharmaceutical use thereof, to preparations comprising the flavonoid derivative or extract, and to a process for the preparation of the flavonoid derivative or extract.