申请人:NIHON MEDI-PHYSICS CO., LTD.
公开号:EP2042501A1
公开(公告)日:2009-04-01
A compound that has affinity with amyloid, exhibits sufficiently rapid clearance from normal tissues, and is suppressed in toxicity such as mutagenicity is provided, which is represented by the following formula (1):
or a salt thereof,
wherein R1 is a group selected from hydrogen, hydroxyl group, carboxyl group, sulfate group, amino group, nitro group, cyano group, an alkyl substituent with one to 4 carbon atoms or an alkoxy substituent with one to 4 carbon atoms; R2 is a radioactive halogen substituent; and m is an integer of 0 to 2, and a low-toxic diagnostic agent for Alzheimer's disease comprising a compound represented by the above formula or a salt thereof is also provided.
本研究提供了一种与淀粉样蛋白具有亲和力、能从正常组织中充分快速地清除并能抑制致突变性等毒性的化合物,它由下式(1)表示:
或其盐、
其中,R1 是选自氢、羟基、羧基、硫酸基、氨基、硝基、氰基、1 至 4 个碳原子的烷基取代基或 1 至 4 个碳原子的烷氧基取代基的基团;R2 是放射性卤素取代基;m 是 0 至 2 的整数,还提供了一种低毒的阿尔茨海默病诊断剂,该诊断剂由上式表示的化合物或其盐组成。