申请人:Aska Pharmaceutical Co., Ltd.
公开号:US08101624B2
公开(公告)日:2012-01-24
The invention discloses quinazoline derivatives or salts thereof, which possess PDE9-inhibiting activity and are useful as treating agents of dysuria and the like, the derivatives being represented by the formula (I)
in the formula, R1 stands for phenyl or aromatic heterocyclic group which are optionally substituted with 1-3 substituents selected from halogen, C1-6 alkyl, C1-6 haloalkyl containing 1-6 halogen atoms and C1-6 alkoxy; and n is an integer of 1-3.
本发明公开了喹唑啉衍生物或其盐,其具有PDE9抑制活性,可用作治疗排尿困难等疾病的药物,该衍生物由式(I)表示,在该式中,R1代表苯基或芳香杂环基,可选地取代1-3个取代基,所述取代基选自卤素,C1-6烷基,C1-6含1-6卤素原子的卤代烷基和C1-6烷氧基;n为1-3的整数。