申请人:Eisai Co., Ltd.
公开号:US06825192B1
公开(公告)日:2004-11-30
The present invention provides a hetrodiazinon compound having 2-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptor antagonistic action, which is represented by the following formula (I), a pharmacologically acceptable salt thereof or hydrates thereof.
Wherein A represents O, S or a group represented by the formula NR3 (wherein R3 represents hydrogen atom or a lower alkyl group);
R1 and R2 are the same as or different from each other and each represents an optionally substituted (hetero)aryl group etc.; and
R4 and R5 are the same as or different from each other and each represents hydrogen atom, hydroxy, a halogen atom, nitrile group, nitro group, a lower alkyl group, a (hetero)aryl group etc.
本发明提供了一种具有2-氨基-3-羟基-5-甲基-4-异噁唑丙酸(AMPA)受体拮抗作用的杂二唑酮化合物,其化学式(I)表示,其药学上可接受的盐或水合物。其中,A代表O、S或由式NR3表示的基团(其中R3代表氢原子或较低的烷基);R1和R2相同或不同,每个都表示可选取代的(杂)芳基等;R4和R5相同或不同,每个都表示氢原子、羟基、卤素原子、腈基、硝基、较低的烷基、(杂)芳基等。