申请人:Kowa Co., Ltd.
公开号:US06680316B1
公开(公告)日:2004-01-20
Objects of the invention are to provide compounds having excellent activity against interleukin-1&bgr; production and also medicines comprising them as effective ingredients.
Pyridazin-3-one derivatives represented by the following formula (1):
wherein Ar1 represents a substituted or unsubstituted aromatic group, Ar2 represents a phenyl group having a substituent at least at the 4-position thereof, R1 represents a linear or branched alkyl group, an alkyl group having a cyclic structure, a substituted or unsubstituted phenyl group or a substituted or unsubstituted phenyl(lower alkyl) group, and R2 represents a cyano group, a carboxyl group, a (lower alkoxy)carbonyl group, a substituted or unsubstituted lower alkyl group or a substituted or unsubstituted carbamoyl group, or salts thereof; and medicines comprising them as effective ingredients.
本发明的目的是提供具有出色对抗白细胞介素-1β产生活性的化合物,以及包含它们作为有效成分的药物。以下式(1)所代表的吡啶并嗪-3-酮衍生物:其中Ar1代表取代或未取代的芳香基,Ar2代表至少在其4位有取代基的苯基,R1代表直链或支链烷基,具有环状结构的烷基,取代或未取代的苯基或取代或未取代的苯基(低烷基)基团,R2代表氰基,羧基,(低烷氧基)羰基,取代或未取代的低烷基或取代或未取代的氨基基团,或其盐;以及包含它们作为有效成分的药物。