[EN] RADIOLABELED 3-[3-(BENZOYL-AMIDO)BENZYLOXY]ASPARTIC ACID DERIVATIVE AND METHOD OF PRODUCING THE SAME<br/>[FR] DERIVÉ RADIOACTIVEMENT MARQUÉ DE L'ACIDE 3-[3-(BENZOYLAMIDO)BENZYLOXY]ASPARTIQUE ET PROCÉDÉ DE PRODUCTION DE CELUI-CI
申请人:SUNTORY LTD
公开号:WO2005090268A1
公开(公告)日:2005-09-29
The present invention provides a radiolabeled ligand which is highly selective and potent for glutamate transporters and is usable in specifically detecting the glutamate transporter. Specifically, the present invention provides a 3-[3-(benzoylamido)benzyloxy]aspartic acid having a radioactive substituent on the benzoyl group which is represented by the following formula (1), or an ester or salt thereof: (1) wherein X represents a substituent containing a radioactive atom(s) which is selected from a straight or branched lower aliphatic alkyl group, a hydroxyl group, a straight or branched lower aliphatic alkoxy group, an amino group, a straight or branched lower aliphatic acylamido group, a halogen atom and a straight or branched lower aliphatic haloalkyl group; and R1 and R2 each represents a hydrogen atom, a straight or branched lower aliphatic alkyl group or an acetoxymethyl group.
本发明提供了一种放射性标记的配体,对谷氨酸转运体具有高度选择性和强效性,并可用于特异性检测谷氨酸转运体。具体来说,本发明提供了一种在苯甲酰基团上具有放射性取代基的3-[3-(苯甲酰胺)苄氧基]天冬氨酸,其化学结构如下式(1),或其酯或盐:(1)其中X代表含有放射性原子的取代基,可以是直链或支链低碳原子烷基基团、羟基、直链或支链低碳原子烷氧基团、氨基、直链或支链低碳原子酰胺基团、卤素原子和直链或支链低碳原子卤代烷基基团;R1和R2分别代表氢原子、直链或支链低碳原子烷基基团或乙酰氧甲基基团。