Ectoin and ectoin derivatives as moisturizers in cosmetics
    7.
    发明授权
    Ectoin and ectoin derivatives as moisturizers in cosmetics 有权
    Ectoin和ectoin衍生物作为化妆品中的保湿剂

    公开(公告)号:US06403112B2

    公开(公告)日:2002-06-11

    申请号:US09834976

    申请日:2001-04-16

    IPC分类号: A61K600

    摘要: The present invention relates to a compound of the tantomeric formula Ia or Ib and/or of a physiologically acceptable salt of the compound of the formula Ia or Ib and/or of a sterio-isomeric form of the compound of the formula Ia or Ib. R1 can be: a) a hydrogen atom or b) C1-C4)-alkyl. R2 can be: a) a hydrogen atom, b) —COOH, c) d) in which R5 is 1) a hydrogen atom, 2) (C1-C4)-alkyl 3) an amino acid radical, 4) a dipeptide radical or 5) a tripeptide radical. R3 and R4 independently of one another can be: a) a hydrogen atom or b) —OH, and n is the number 1, 2 or 3.

    摘要翻译: 本发明涉及式Ia或Ib化合物的式Ⅰa或Ⅰb化合物或式Ia或Ib化合物的生理上可接受的盐和/或式Ia或Ib化合物的立体异构形式的化合物。 R1可以是:a)氢原子,环)C 1 -C 4) - 烷基,R 2可以是:a)氢原子,b)-COOH,c)d)其中R 5是1)氢原子,2)(C1 -C 4) - 烷基3)氨基酸基团,4)二肽基团或5)三肽基团.R 3和R 4彼此独立地可以是:a)氢原子环)-OH,并且n是数字1,2或 3。