申请人:Shionogi & Co., Ltd.
公开号:EP2703401A1
公开(公告)日:2014-03-05
The present invention provides a compound of formula (I):
wherein ring B is substituted or unsubstituted carbocycle or heterocycle,
R1 is substituted or unsubstituted alkyl or the like,
R2a and R2b are each independently hydrogen, substituted or unsubstituted alkyl or the like,
R3, R4a and R4b are each independently hydrogen, halogen, substituted or unsubstituted alkyl or the like, a dashed line represents a presence or absence of a bond,
R5 is hydrogen, substituted or unsubstituted alkyl or the like,
R6 is halogen, hydroxy, substituted or unsubstituted alkyl or the like,
p is an integer of 0 to 3,
or a pharmaceutically acceptable salt thereof which has an effect of inhibiting amyloid β production, especially an effect of inhibiting BACE1, and which is useful as a therapeutic or prophylactic agent for diseases induced by production, secretion and/or deposition of amyloid β proteins.
本发明提供了一种式 (I) 的化合物:
其中环 B 是取代或未取代的碳环或杂环、
R1 是取代或未取代的烷基或类似物、
R2a 和 R2b 各自独立地为氢、取代或未取代的烷基或类似物、
R3、R4a 和 R4b 各自独立地为氢、卤素、取代或未取代的烷基或类似物,虚线表示存在或不存在键、
R5 是氢、取代或未取代的烷基或类似物、
R6 是卤素、羟基、取代或未取代的烷基或类似物、
p 是 0 至 3 的整数、
或其药学上可接受的盐,该盐具有抑制淀粉样蛋白 β 生成的作用,特别是抑制 BACE1 的作用,可用作治疗或预防由淀粉样蛋白 β 生成、分泌和/或沉积诱发的疾病的药物。