6,9-disubstituted purine derivatives and their use as cosmetics and cosmetic compositions
申请人:Institute of Experimental Botany, Academy of Sciences of the Czech Republic
公开号:US07960397B2
公开(公告)日:2011-06-14
Certain 6,9-disubstituted purine derivatives and their pharmaceutically acceptable salts of the following general formula
are provided wherein R6 and R9 are as defined in the specification. These 6,9-disubstituted purine derivatives and their pharmaceutically acceptable salts are useful in compositions for application to mammalian cells, and especially human skin cells, in order to improve the cosmetic appearance of the mammalian cells, especially human skin.
本发明提供了以下一般式的某些6,9-二取代嘌呤衍生物及其药学上可接受的盐,其中R6和R9如规范中定义。这些6,9-二取代嘌呤衍生物及其药学上可接受的盐在组合物中对哺乳动物细胞,尤其是人类皮肤细胞的应用中非常有用,以改善哺乳动物细胞,尤其是人类皮肤的美容外观。