申请人:YAMANOUCHI PHARMACEUTICAL CO., LTD.
公开号:EP0919554A1
公开(公告)日:1999-06-02
Imidazole-substituted quinoxalinedione derivatives represented by the following general formula (I) or pharmaceutically acceptable salts thereof and pharmaceutical compositions useful as glutamate receptor antagonists and the like, which comprise said compounds or salts thereof and pharmaceutically acceptable carriers.
(Each symbol in the formula has the following meaning:
A: a group represented by a formula (CH2)m or a group represented by a formula Ph-(CH2)p (Ph: a phenyl group),
X: an oxygen atom or a group represented by a formula NR4,
R1: a hydrogen atom, a hydroxyl group or a triazolyl group, with the proviso that X may be a bond when R1 is a triazolyl group,
R2: a hydrogen atom, a nitro group, a halogeno-lower alkyl group, a cyano group, an amino group, a mono- or di-lower alkylamino group or a halogen atom,
R3 and R4: may be the same or different from each other and each represents a hydrogen atom or a lower alkyl group,
n: 0, 1 or 2,
m: an integer of 2 to 6, and
p: an integer of 1 to 6.)
由以下通式(I)代表的咪唑取代的喹喔啉二酮衍生物或其药学上可接受的盐,以及可用作谷氨酸受体拮抗剂等的药物组合物,其中包含所述化合物或其盐和药学上可接受的载体。
(式中各符号含义如下:
A:由式 (CH2)m 代表的基团或由式 Ph-(CH2)p 代表的基团(Ph:苯基)、
X:氧原子或由式 NR4 代表的基团、
R1:氢原子、羟基或三唑基,但当 R1 为三唑基时,X 可以是键、
R2:氢原子、硝基、卤素-低级烷基、氰基、氨基、单-或双-低级烷基氨基或卤素原子、
R3 和 R4:可以相同或互不相同,各自代表一个氢原子或一个低级烷基、
n:0、1 或 2、
m:2 至 6 的整数,以及
p:1 至 6 的整数)。