申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP0798295A1
公开(公告)日:1997-10-01
An amidinonaphthyl derivative represented by the following general formula (I) which has a platelet aggregation inhibiting action based on the activated blood coagulation factor X inhibiting action and is useful as an anti-thrombus agent and the like, a salt thereof, an intermediate thereof and a pharmaceutical composition which comprises the amidinonaphthyl derivative.
An amidinonaphthyl derivative represented by the following general formula (I) or a pharmaceutically acceptable salt thereof.
(symbols in the formula have the following meanings;
R1: a hydrogen atom or a group represented by the formula -A-W-R4,
A: a group represented by the formula
a group represented by the formula
or a group represented by the formula -SO2-,
X: an oxygen atom or a sulfur atom, W: a single bond or a group represented by the formula -NR5-, R4: a hydroxyl group, a lower alkoxy group, etc., not a hydroxyl group or a lower alkoxy group, R5: a hydrogen atom, a carbamoyl group, a lower alkoxycarbonyl group, etc., R2: a lower alkyl group, R3: a hydrogen atom, a halogen atom, a carboxyl group, B: a lower alkylene group or a carbonyl group, and n: 0 or 1).
一种由下式通式(I)表示的脒基萘衍生物、其盐、中间体和包含该脒基萘衍生物的药物组合物,该脒基萘衍生物具有基于活化血液凝固因子 X 抑制作用的血小板聚集抑制作用,可用作抗血栓剂等。
由以下通式(I)代表的脒基萘衍生物或其药学上可接受的盐。
(式中符号含义如下;
R1:氢原子或由式-A-W-R4 所代表的基团、
A:由式
式所代表的基团
或由式 -SO2- 代表的基团、
X:氧原子或硫原子,W:单键或由式-NR5-代表的基团,R4:羟基、低级烷氧基等,不是羟基或低级烷氧基,R5:氢原子、氨基甲酰基、低级烷氧基羰基等,R2:低级烷基,R3:氢原子、卤素原子、羧基,B:低级亚烷基或羰基,n:0 或 1)。