申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP0784054A1
公开(公告)日:1997-07-16
A 1,2,3,4-tetrahydroquinoxalinedione derivative represented by the following formula (I) or salt thereof, an NMDA-glycine receptor and/or AMPA receptor antagonist or kainic acid neurotoxicity inhibitor containing the derivative or salt. In addition, a pharmaceutical composition comprising said compound and a pharmaceutically acceptable carrier.
wherein symbols in the above formula represent the following meanings, respectively:
X: N, CH,
R: an imidazolyl group or a di-lower alkylamino group,
R1:
(1) a halogen atom, a nitro group, a cyano group, a carboxyl group, an amino group, a mono- or di-lower alkylamino group, a lower alkanoyl group, a lower alkylthio group, a lower alkylsulfinyl group, a lower alkylsulfonyl group or a carbamoyl group,
(2) a lower alkyl group or lower alkoxyl group which may be substituted by a halogen atom, a carboxyl group or an aryl group,
(3) a phenyloxy group which may be substituted by a lower alkoxycarbonyl group or a carboxyl group,
R2: a hydroxyl group, a lower alkoxyl group, an amino group or a mono- or di-lower alkylamino group,
A: a lower alkylene group which may be substituted or a group represented by the formula -O-B-, and
B: a lower alkylene group,
with the proviso that the case wherein R represents an imidazolyl group, R1 represents a cyano group, A represents an ethylene group and R2 represents a hydroxyl group is excluded.
一种由下式(I)代表的 1,2,3,4-四氢喹喔啉二酮衍生物或其盐,一种含有该衍生物或盐的 NMDA-甘氨酸受体和/或 AMPA 受体拮抗剂或凯尼酸神经毒性抑制剂。此外,还包括上述化合物和药学上可接受的载体的药物组合物。
其中,上式中的符号分别代表以下含义:
X:N,CH、
R:咪唑基团或二低级烷基氨基、
R1:
(1) 卤素原子、硝基、氰基、羧基、氨基、单或双低级烷基氨基、低级烷酰基、低级烷硫基、低级烷基亚磺酰基、低级烷基磺酰基或氨基甲酰基、
(2) 可被卤素原子、羧基或芳基取代的低级烷基或低级烷氧基、
(3) 可被低级烷氧基羰基或羧基取代的苯氧基、
R2:羟基、低级烷氧基、氨基或单或双低级烷基氨基、
A:可被取代的低级亚烷基或由式-O-B-代表的基团,以及
B:低级亚烷基、
但 R 代表咪唑基、R1 代表氰基、A 代表乙烯基和 R2 代表羟基的情况除外。