申请人:PHOTOCURE ASA
公开号:WO2014020164A1
公开(公告)日:2014-02-06
The invention relates to new derivatives of 5-aminolevulinic acid (5-ALA) and their use as photosensitizing agents. In particular, it relates to compounds of general formula I and their pharmaceutically acceptable salts, to methods for preparing such compounds and their medical and cosmetic use, for example in methods of photodynamic therapy and diagnosis: wherein R1 represents a hydrogen atom or an optionally substituted alkyl or cycloalkyl group; R2, each of which may be the same or different, represents a hydrogen atom or an optionally substituted alkyl group; and X is a linking group.
这项发明涉及5-氨基丙酮酸(5-ALA)的新衍生物及其用作光敏剂的用途。具体而言,涉及到一般式I的化合物及其药学上可接受的盐,以及制备这些化合物的方法及它们在医药和化妆品中的用途,例如在光动力疗法和诊断方法中:其中R1代表氢原子或可选择取代的烷基或环烷基基团;R2,每个可能相同或不同,代表氢原子或可选择取代的烷基基团;X是一个连接基。