申请人:Nihon Nohyaku Co., Ltd.
公开号:EP1130015A1
公开(公告)日:2001-09-05
A pyridazinone derivative represented by formula (I) :
wherein R1 represents a phenyl group, a substituted phenyl group, an aromatic heterocyclic group or a substituted aromatic heterocyclic group; R2 represents a (C1-C8)alkyl group, a substituted (C1-C8)alkyl group, a phenyl group, a substituted phenyl group, an aralkyl group, a substituted aralkyl group, an aromatic heterocyclic group, a substituted aromatic heterocyclic group, an amino group, an amino group substituted with one or two (C1-C8)alkyl groups which are the same or different, a 4- to 10-membered cyclic amino group, a cyano group, a carboxyl group, a (C1-C8)alkoxyearbonyl group, a carbamoyl group, a thiocarbamoyl group, an aminocarbonyl group, an aminocarbonyl group substituted with one or two (C1-C8)alkyl groups or substituted (C1-C8)alkyl groups which are the same or different, a 4- to 10-membered cyclic aminocarbonyl group, a phenylaminocarbonyl group, a substituted phenylaminocarbonyl group, an aromatic heterocyle-aminocarbonyl group or a substituted aromatic heterocyle-aminocarbonyl group; R3 represents a hydrogen atom, a (C1-C8)alkyl group, a substituted (C1-C8)alkyl group, a phenyl group, a substituted phenyl group, an aromatic heterocyclic group or a substituted aromatic heterocyclic group; and R4 represents a cyano group,
a pharmaceutically acceptable salt thereof, or a derivative thereof, or a pharmaceutical composition comprising as an active ingredient the derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent.
一种由式(I)代表的哒嗪酮衍生物:
其中 R1 代表苯基、取代的苯基、芳香杂环基团或取代的芳香杂环基团;R2代表(C1-C8)烷基、取代的(C1-C8)烷基、苯基、取代的苯基、芳烷基、取代的芳烷基、芳香杂环基、取代的芳香杂环基、氨基、被一个或两个相同或不同的(C1-C8)烷基取代的氨基、4-10元环状氨基、氰基、羧基、(C1-C8)烷氧羰基氨基羰基、被一个或两个相同或不同的(C1-C8)烷基或取代的(C1-C8)烷基取代的氨基羰基、4 至 10 元环状氨基羰基、苯基氨基羰基、取代的苯基氨基羰基、芳香杂环氨基羰基或取代的芳香杂环氨基羰基;R3 代表氢原子、(C1-C8)烷基、取代的(C1-C8)烷基、苯基、取代的苯基、芳香杂环基团或取代的芳香杂环基团;以及 R4 代表氰基、
其药学上可接受的盐,或其衍生物,或由衍生物或其药学上可接受的盐和药学上可接受的载体或稀释剂组成的药物组合物。