[EN] BICYCLIC HETEROCYCLE DERIVATIVES HAVING SELECTIVE BACE1 INHIBITORY ACTIVITY<br/>[FR] DÉRIVÉS D'HÉTÉROCYCLES BICYCLIQUES AYANT UNE ACTIVITÉ INHIBITRICE SÉLECTIVE DE BACE1
申请人:SHIONOGI & CO
公开号:WO2019208509A1
公开(公告)日:2019-10-31
The present invention provides a compound which has an effect of inhibiting amyloid β production, especially an effect of inhibiting selective 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 the formula (IA) or the like, wherein -A1- is alkylene optionally substituted with one or more halogen; R2 is substituted or unsubstituted alkyl or the like; R3 and R4 are each independently a hydrogen atom, halogen, alkyl or haloalkyl or the like; R5 is a hydrogen atom or halogen; A4 is N or CR6 wherein R6 is a hydrogen atom, halogen, or substituted or unsubstituted alkyl; A5 is NR7 or CR8R9; A6 is CR18 or N; R18 is a hydrogen atom; R7 is substituted or unsubstituted alkyl; R8 and R9 are each independently a hydrogen atom, halogen, alkyl or haloalkyl or the like; and Ring B is bicyclic ring; or a pharmaceutically acceptable salt thereof.
本发明提供了一种化合物,具有抑制淀粉样蛋白β生成的作用,特别是具有抑制选择性BACE1的作用,并且对于由淀粉样蛋白β蛋白的生成、分泌和/或沉积引起的疾病作为治疗或预防剂是有用的。式(IA)或类似的化合物,其中-A1-是烷基,可选地取代一个或多个卤素;R2是取代或未取代的烷基或类似物;R3和R4分别独立地是氢原子、卤素、烷基或卤代烷基或类似物;R5是氢原子或卤素;A4是N或CR6,其中R6是氢原子、卤素,或取代或未取代的烷基;A5是NR7或CR8R9;A6是CR18或N;R18是氢原子;R7是取代或未取代的烷基;R8和R9分别独立地是氢原子、卤素、烷基或卤代烷基或类似物;环B是双环环;或其药学上可接受的盐。