Derivative of glucose and of vitamin F, compositions comprising it, uses and preparation process
申请人:——
公开号:US20040038912A1
公开(公告)日:2004-02-26
An O-acyl product derived from glucose which may be obtained by partial or total esterification of glucose and of vitamin F, comprising a mixture of esters, for example, monoesters, of glucose and of at least one acid chosen from linoleic acid, oleic acid, palmitic acid and stearic acid, compositions, for example, cosmetic and pharmaceutical compositions, comprising this novel derivative, and their use for improving the condition of head hair and/or other hairs, and, for example, for reducing and/or impeding the loss of head hair and/or other hairs, and/or for inducing and/or stimulating hair growth, as well as a process for preparing O-acyl derivatives mainly in position 6 of glucose, comprising preparing a mixed anhydride by reacting a carboxylic acid with a trimethylacetyl halide, followed by reacting said mixed anhydride formed with glucose.
一种由葡萄糖衍生而来的O-酰基产物,可通过葡萄糖和维生素F的部分或完全酯化获得,包含例如葡萄糖和至少一种选自亚油酸、油酸、棕榈酸和硬脂酸的酸的酯混合物,例如单酯。该新型衍生物包含的组合物,例如化妆品和药物组合物,以及它们用于改善头发状况和/或其他毛发,例如用于减少和/或阻碍头发和/或其他毛发的脱落,和/或诱导和/或刺激头发生长和其他毛发生长的用途。此外,还包括一种制备葡萄糖6位上主要为O-酰基衍生物的方法,该方法包括通过与三甲基乙酰卤化物反应制备羧酸的混合酐,然后使形成的混合酐与葡萄糖反应。