A compound effective as a probe targeting amyloid for image diagnosis and a reagent comprising the compound for detecting amyloid deposited on a biological tissue are provided. Provided are a compound represented by the following formula (1):
wherein R
1
, R
2
and R
3
independently represent a group selected from the group consisting of a hydrogen, hydroxyl group, alkyl substituent with 1 to 4 carbon atoms, alkoxy substituent having alkyl chain with 1 to 4 carbon atoms and halogen substituent, excluding the case where two or more of the substituents R
1
, R
2
and R
3
are hydrogen, R
4
is a group selected from the group consisting of a hydrogen, hydroxyl group, alkoxy substituent having alkyl chain with 1 to 4 carbon atoms and halogen substituent, and m is an integer of 1 to 4, provided that at least one of R
1
, R
2
, R
3
and R
4
represents a radioactive halogen substituent, and a reagent comprising the same.
提供了一种作为靶向淀粉样蛋白成像诊断探针的化合物,以及包含该化合物的试剂,用于检测
生物组织上沉积的淀粉样蛋白。提供的化合物由以下公式(1)表示:其中,R1、R2和R3独立地表示从氢、羟基、具有1至4个碳原子的烷基取代基、具有1至4个碳原子的烷基链的烷氧基取代基和卤素取代基中选择的基团,但排除两个或更多的取代基R1、R2和R3均为氢的情况,R4是从氢、羟基、具有1至4个碳原子的烷氧基取代基和卤素取代基中选择的基团,m是1至4的整数,前提是R1、R2、R3和R4中至少有一个表示放射性卤素取代基,以及包含该化合物的试剂。