申请人:——
公开号:US20040106679A1
公开(公告)日:2004-06-03
The invention provides compounds for use in photochemotherapy or diagnosis, said compounds being branched alkyl esters or substituted alkyl esters of 5-aminolevulinic acid, or derivatives or pharmaceutically acceptable salts thereof. In particular, the invention provides compounds of formula (I): R
2
2
N—CH
2
COCH
2
CH
2
CO—OR
1
(wherein R
1
represents an optionally substituted branched alkyl (e.g. C
5-30
alkyl) group, or a substituted alkyl group; R
2
, each of which may be the same or different, represents a hydrogen atom or an optionally substituted alkyl group, preferably a group R
1
; wherein said substituents are selected from hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, amino, aryl, nitro, oxo, fluoro, —SR
3
, —NR
3
2
and PR
3
2
groups, and each alkyl group is optionally interrupted by one or more O—, —NR
3
—, —S— or —PR
3
— groups; and R
3
represents a hydrogen atom or a C
1-6
alkyl group) and salts thereof for use in diagnosis and photochemotherapy of disorders of abnormalities of external or internal surfaces of the body, and products and kits for performing the invention.
该发明提供了用于光化疗或诊断的化合物,所述化合物为5-氨基丙酸的支链烷基酯或取代烷基酯,或其衍生物或药用可接受的盐。具体而言,该发明提供了式(I)的化合物:R2N—CH2COCH2CH2CO—OR1(其中R1代表可选择取代的支链烷基(例如C5-30烷基)基团,或取代烷基基团;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,优选为基团R1;其中所述取代基被选择自羟基、烷氧基、酰氧基、烷氧羰氧基、氨基、芳基、硝基、氧代、氟代、—SR3、—NR32和PR32基团,每个烷基基团可选择地被一个或多个O—、—NR3—、—S—或—PR3—基团中断;R3代表氢原子或C1-6烷基基团)及其盐,用于诊断和治疗身体外部或内部表面的异常或疾病的光化疗,以及执行该发明的产品和工具包。