Preventives or remedies for Alzheimer's disease, or amyloid protein fibril-formation inhibitors, which include a nitrogen-containing heteroaryl compound
申请人:Meguro Masaki
公开号:US20080182846A1
公开(公告)日:2008-07-31
The present invention relates to preventives or remedies for Alzheimer's disease, or to amyloid protein fibril-formation inhibitors, which include as an active ingredient a compound of general formula (I) below or a pharmacologically permitted salt thereof; and also to nitrogen-containing heteroaryl derivatives having specific substituents, or pharmacologically permitted salts thereof, which are valuable as preventives or remedies for Alzheimer's disease, or as amyloid protein fibril-formation inhibitors:
(where, R
1
and R
2
are H or alkyl; Z
1
and Z
2
are H, alkyl, alkoxy, haloalkyl or halogeno; Z
3
is alkoxy, SH, alkylthio, NH
2
, mono- or di-alkylamino, OH or halogeno; Z
4
and Z
5
are H or halogeno; and A is 4,6-pyrimidine-1,3-diyl, 1,3,5-triazine-2,6-diyl, etc).
本发明涉及用于预防或治疗阿尔茨海默病的药物或疗法,或者用于抑制淀粉样蛋白纤维形成的药物,其中包括通式(I)所示的化合物或其药学上允许的盐作为活性成分;以及具有特定取代基的含氮杂环衍生物或其药学上允许的盐,它们对于预防或治疗阿尔茨海默病或作为淀粉样蛋白纤维形成抑制剂非常有价值。(其中,R1和R2为H或烷基;Z1和Z2为H、烷基、烷氧基、卤代烷基或卤素;Z3为烷氧基、SH、烷基硫醇、NH2、单烷基或二烷基氨基、OH或卤素;Z4和Z5为H或卤素;A为4,6-嘧啶-1,3-二基、1,3,5-三嗪-2,6-二基等)。