申请人:Eisai R&D Management Co., Ltd.
公开号:US08198269B2
公开(公告)日:2012-06-12
A compound represented by the general formula:
wherein Ring A is a C6-14 aryl group or the like, L is —NRLCO— or the like (wherein RL is a hydrogen atom or the like), Ring B is a C6-14 aryl group or the like, X is a C1-3 alkylene group or the like, Y is a C1-3 alkylene group or the like, Z is an oxygen atom or the like, R1 and R2 are each independently a hydrogen atom or the like, and R3, R4, R5 and R6 are independently a hydrogen atom, a halogen atom or the like, or a pharmaceutically acceptable salt thereof, or a solvate thereof, has an Aβ production inhibitory effect or a BACE1 inhibitory effect and is useful as a therapeutic agent for a neurodegenerative disease caused by Aβ and typified by Alzheimer-type dementia.
一种化合物的普遍式表示为:其中环A为C6-14芳基或类似物,L为—NRLCO—或类似物(其中RL为氢原子或类似物),环B为C6-14芳基或类似物,X为C1-3烷基或类似物,Y为C1-3烷基或类似物,Z为氧原子或类似物,R1和R2各自独立地为氢原子或类似物,而R3、R4、R5和R6各自独立地为氢原子、卤素原子或类似物,或其药学上可接受的盐或其溶剂化物,具有Aβ产生抑制作用或BACE1抑制作用,并且可用作治疗由Aβ引起的神经退行性疾病,例如老年痴呆症的治疗剂。