申请人:ASKA Pharmaceutical Co., Ltd.
公开号:US09040536B2
公开(公告)日:2015-05-26
The invention discloses quinoxaline derivatives or salts thereof having PDE9-inhibiting activity and being useful as treating agent of dysuria and the like, which are represented by the formula (I)
in the formula,
R1 and R2 each independently stands for hydrogen, halogen, alkyl, alkoxy, acyl, amino and the like,
R3 stands for alkyl, aryl, saturated carbocyclic group, saturated heterocyclic group, acyl and the like,
R4 stands for hydrogen, hydroxy, alkyl or amino,
R5 and R8 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkoxy, cyano or nitro,
R6 and R7 each independently stands for hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, cyano, amino, carbocyclic group, heterocyclic group, COR9 or SO2R9,
R9 stands for hydrogen, hydroxy, alkyl, amino, pyrrolidin-1-yl, piperidin-1-yl, pyperazin-1-yl or the like,
X stands for S or O, and
A1, A2 and A3 each independently stands for N or C.
本发明公开了具有PDE9抑制活性的
喹喔啉衍
生物或其盐,可用作治疗排尿困难等的治疗剂,其由以下式(I)表示:
式中,
R1和R2各自独立地代表氢、卤素、烷基、烷氧基、酰基、
氨基等;
R3代表烷基、芳基、饱和碳环基、饱和杂环基、酰基等;
R4代表氢、羟基、烷基或
氨基;
R5和R8各自独立地代表氢、卤素、烷基、烯基、烷氧基、
氰基或硝基;
R6和R7各自独立地代表氢、卤素、烷基、烯基、炔基、烷氧基、
氰基、
氨基、碳环基、杂环基、COR9或SO2R9;
R9代表氢、羟基、烷基、
氨基、
吡咯烷-1-基、
哌啶-1-基、
吡嗪-1-基等;
X代表S或O;
A1、A2和A3各自独立地代表N或C。