申请人:Celagix, Res. Ltd.
公开号:EP2283807A1
公开(公告)日:2011-02-16
Disclosed is a moisturizing agent comprising a copolymer represented by formula (1). [In formula (1), A represents a substituent containing an oligosaccharide composed of 2 to 6 monosaccharide molecules bound to each other; B represents a group represented by formula (2); m and n represent numbers which meet the following equation m:n = 9:1 to 1:9; and Z represents a hydrogen group, a methyl group or an ethyl group.] [In formula (2), X represents a saturated or unsaturated monocyclic or dicyclic ring having 5 to 10 ring-constituting members, or a molecule containing a nitrogen or an oxygen, provided that the ring may contain 1 to 3 atoms independently selected from the group consisting of a nitrogen, a sulfur and an oxygen; n represents a number of 0 or 1; Y represents -NHCO-, -CONH-, -NHCONH-, -NH-, -CO, or an alkyl group having 0 or more carbon atoms; and R represents a linear or branched alkyl, alkenyl or alkynyl having 1 to 20 carbon atoms which, if required, may be substituted by one or two hydroxy, mercapto, amino, cyano, heterocyclyl, heterocyclyloxy, phenyl, benzyl, heteroaryl, phenoxy, benzyloxy or heteroaryloxy groups.]
本发明公开了一种保湿剂,它包含由式(1)表示的共聚物。式(1)中,A 代表含有由 2 至 6 个单糖分子相互结合而成的寡糖的取代基;B 代表由式(2)表示的基团;m 和 n 代表符合下式 m:n = 9:1 至 1:9 的数字;Z 代表氢基、甲基或乙基。[在式 (2) 中,X 代表具有 5 至 10 个构环成员的饱和或不饱和单环或双环,或含有氮或氧的分子,条件是该环可能含有 1 至 3 个独立选自氮、硫和氧组成的组的原子;n 代表 0 或 1;Y 代表-NHCO-、-CONH-、-NHCONH-、-NH-、-CO 或具有 0 个或多个碳原子的烷基;R 代表具有 1 至 20 个碳原子的直链或支链烷基、烯基或炔基,如有需要,可被一个或两个羟基、巯基、氨基、氰基、杂环基、杂环氧基、苯基、苄基、杂芳基、苯氧基、苄氧基或杂芳基氧基取代。]