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    • 69. 发明授权
    • 4-hydroxyisoxazole derivatives, method of preparing same, and cosmetic
and pharmaceutical compositions containing them
    • 4-羟基异恶唑衍生物,其制备方法,以及含有它们的化妆品和药物组合物
    • US4940575A
    • 1990-07-10
    • US371058
    • 1989-06-26
    • Alexandre ZysmanHenri Sebag
    • Alexandre ZysmanHenri Sebag
    • A61K8/49A61K31/42A61Q17/04C07D261/18
    • A61Q17/04A61K8/49C07D261/18
    • 4-Hydroxyisoxazole derivatives corresponding to the formula: ##STR1## wherein: R represents a linear or branched alkyl or hydroxyalkyl radical with 1 to 23 carbon atoms, a linear or branched alkenyl radical with 2 to 23 carbon atoms, a phenyl radical, or a benzyl radical, andR.sub.1 represents OR.sub.2, --NHR.sub.3, or --NH--NHR.sub.4,R.sub.2 represents a hydrogen atom or an alkyl radical with 1 to 24 carbon atoms,R.sub.3 represents a hydrogen atom, an alkyl radical with 1 to 20 carbon atoms, or a ##STR2## radical, where n is 2 to 3 and r' and r" are identical or different, representing a hydrogen atom or a lower alkyl radical or forming a heterocycle when taken together such as morpholine, piperidine, or piperazine,R.sub.4 represents a hydrogen atom or a benzyl radical,and the salts of the formula (I) compounds.These derivatives are applicable to therapeutic and cosmetic fields, in particular to counteract the harmful effects of the sun.
    • 对应于下式的4-羟基异恶唑衍生物:其中:R表示具有1至23个碳原子的直链或支链烷基或羟烷基,具有2至23个碳原子的直链或支链烯基,苯基 或苄基,R 1表示OR 2,-NHR 3或-NH-NHR 4,R 2表示氢原子或碳原子数1〜24的烷基,R 3表示氢原子,碳原子数1〜20的烷基 原子或基团,其中n为2至3,并且r'和r“相同或不同,表示氢原子或低级烷基,或当形成杂环时,如吗啉,哌啶或 哌嗪,R 4表示氢原子或苄基,和式(I)化合物的盐。 这些衍生物适用于治疗和美容领域,特别是抵消太阳的有害影响。