申请人:Masui Moriyasu
公开号:US20130210839A1
公开(公告)日:2013-08-15
The present invention provides, for example, the following compound:
wherein ring A is a substituted or unsubstituted carbocycle or a substituted or unsubstituted heterocycle,
X
1
—X
2
═X
3
is CR
5
—CR
6
═CR
7
, N—CR
6
═CR
7
, CR
5
—N═CR
7
or CR
5
—CR
6
═N, R
1
is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like, R
2a
and R
2b
are each independently hydrogen, substituted or unsubstituted alkyl or the like, R
4a
, R
4b
, R
5
, R
6
and R
7
are each independently hydrogen, halogen, hydroxy, substituted or unsubstituted alkyl or the like,
its pharmaceutically acceptable salt or a solvate thereof having an effect of inhibiting amyloid β production, especially a BACE1 inhibitory activity, and useful as a medicament for treating diseases induced by production, secretion or deposition of amyloid β proteins.
本发明提供了如下化合物:其中环A是取代或未取代的碳环或取代或未取代的杂环,X1—X2═X3为CR5—CR6═CR7,N—CR6═CR7,CR5—N═CR7或CR5—CR6═N,R1为取代或未取代的烷基,取代或未取代的烯基等,R2a和R2b各自独立为氢,取代或未取代的烷基等,R4a,R4b,R5,R6和R7各自独立为氢,卤素,羟基,取代或未取代的烷基等,其药学上可接受的盐或其溶剂化合物具有抑制淀粉样蛋白β产生的作用,特别是BACE1抑制活性,并可用作治疗由淀粉样蛋白β蛋白产生、分泌或沉积引起的疾病的药物。