申请人:SHIONOGI & CO., LTD.
公开号:US20150266865A1
公开(公告)日:2015-09-24
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 the formula (I):
wherein X is —C(R
3a
)(R
3b
)—, —C(R
3a
)(R
3b
)—C(R
3c
)(R
3d
)— or —C(R
3a
)═C(R
3c
)—, R
1
is substituted or unsubstituted alkyl or the like,
R
2a
, R
2b
, R
3a
, R
3b
, R
3c
and R
3d
are each independently hydrogen, halogen or the like,
R
4
is hydrogen or halogen,
Ring B is substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle,
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产生的作用,特别是抑制BACE1的作用,并且可用作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药物。化合物的公式(I)如下:其中X为—C(R3a)(R3b)—,—C(R3a)(R3b)C(R3c)(R3d)—或—C(R3a)═C(R3c)—,R1为取代或未取代的烷基或类似物,R2a,R2b,R3a,R3b,R3c和R3d分别独立地为氢、卤素或类似物,R4为氢或卤素,环B为取代或未取代的碳环或取代或未取代的杂环,或其药学上可接受的盐。