申请人:NIHON MEDI-PHYSICS CO., LTD.
公开号:EP2098522A1
公开(公告)日:2009-09-09
It is intended to provide a compound that is useful as a probe targeting amyloid for imaging diagnosis and a diagnostic agent for Alzheimer's disease comprising the compound. Provided are a compound represented by the following formula (1):
(wherein A1, A2, A3 and A4 independently represents a carbon or nitrogen,
R1 is a radioactive halogen substituent,
R2 is a group selected from the group consisting of hydrogen, hydroxyl group, methoxy group, carboxyl group, amino group, N-methylamino group, N, N-dimethy-lamino group and cyano group,
p is an integer of 0 to 2, and
provided that at least one of A1, A2, A3 and A4 represents a carbon, and R1 binds to a carbon represented by A1, A2, A3 or A4),
or a salt thereof, and a diagnostic agent for Alzheimer's disease comprising a compound represented by the above formula or a salt thereof.
本发明旨在提供一种可作为淀粉样蛋白靶向探针用于成像诊断的化合物,以及一种包含该化合物的阿尔茨海默病诊断剂。本发明提供了由下式(1)代表的化合物:
(其中 A1、A2、A3 和 A4 独立地代表碳或氮、
R1 是放射性卤素取代基、
R2 是选自氢、羟基、甲氧基、羧基、氨基、N-甲基氨基、N,N-二甲基氨基和氰基的基团、
p 为 0 至 2 的整数,且
条件是 A1、A2、A3 和 A4 中至少有一个代表碳,且 R1 与 A1、A2、A3 或 A4 所代表的碳结合)、
或其盐,以及由上式所代表的化合物或其盐组成的阿尔茨海默病诊断剂。