申请人:TANABE SEIYAKU CO., LTD.
公开号:EP0751132A1
公开(公告)日:1997-01-02
Disclosed is a pyridazinone compound represented by the formula (I):
wherein X represents hydrogen atom or the like; Y represents a single bonding arm, oxygen atom or sulfur atom; A represents a straight or branched alkylene group which may have a double bond;
B represents carbonyl group or thiocarbonyl group; and R2 represents an alkyl group having 1 to 10 carbon atoms which may be substituted or the like; or
B represents sulfonyl group; and R2 represents a lower alkenyl group or the like;
R1 represents hydrogen atom or the like; R3 represents hydrogen atom or the like; R4 represents hydrogen atom or the like; and R5 represents hydrogen atom or the like,
or a pharmaceutically acceptable salt thereof.
本发明公开了一种由式(I)代表的哒嗪酮化合物:
其中 X 代表氢原子或类似物;Y 代表单键臂、氧原子或硫原子;A 代表直链或支链亚烷基,可带有双键;
B 代表羰基或硫代羰基;R2 代表具有 1 至 10 个碳原子的烷基,可被取代或类似物;或
B 代表磺酰基;R2 代表低级烯基或类似基团;
R1 代表氢原子或类似物; R3 代表氢原子或类似物; R4 代表氢原子或类似物; R5 代表氢原子或类似物、
或其药学上可接受的盐。