Invention Grant
US07863417B2 Tripeptides and derivatives thereof for cosmetic application in order to improve skin structure 有权
用于化妆品应用的三肽及其衍生物,以改善皮肤结构

Tripeptides and derivatives thereof for cosmetic application in order to improve skin structure
Abstract:
The invention relates to compounds and to the cosmetically acceptable salts thereof, which correspond to general formula (I), wherein: R1 represents H, —C(O)—R6, —SO2—R6 or —C(O)—XR6; R2 and R4, independent of one another, represent (CH2)n—NH2 or (CH2)3—NHC(NH)NH2; n equals 1 4; R3 represents linear or branched C1-C4 alkyl that is optionally substituted by hydroxy; R5 and R6, independent of one another, represent hydrogen, optionally substituted (C1-C24) alkyl, optionally substituted C2-C24 alkenyl, optionally substituted phenyl, optionally substituted phenyl-C1-C4 alkyl or 9-fluorenyl-methyl; X represents oxygen (—O—) or —NH—; or XR5 with X═O also represents the esters of a-tocopherol, tocotrienol or retinol, with the provision that R1 and R5 do not represent hydrogen and X does not represent oxygen at the same time. The invention also relates to the production of the compounds of general formula (I) and to a cosmetically active composition that contains at least one compound of formula (I).
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