申请人:SHIONOGI & CO
公开号:WO2017061534A1
公开(公告)日:2017-04-13
The present invention provides a compound 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. A compound of formula (I) wherein R1 is alkyl or haloalkyl, R2 is H or halogen, R3 is H, alkyl, alkyloxyalkyl or haloalkyl optionally substituted with cycloalkyl, R4 is H or halogen, -X= is -CH= or -N=, ring B is a substituted or unsubstituted aromatic carbocycle, a substituted or unsubstituted aromatic heterocycle or the like, or a pharmaceutically acceptable salt thereof.
本发明提供了一种具有抑制淀粉样蛋白β产生的作用,特别是抑制BACE1的作用,并且作为治疗或预防由淀粉样蛋白β蛋白的产生、分泌和/或沉积引起的疾病的治疗或预防剂的化合物。其中R1为烷基或卤代烷基,R2为H或卤素,R3为H、烷基、烷氧基烷基或卤代烷基,可选择地与环烷基取代,R4为H或卤素,-X=为-CH=或-N=,环B为取代或未取代的芳香碳环、取代或未取代的芳香杂环等,或其药用可接受盐。