Preventives or remidies for alzheimer's disease or amyloid protein fibrosis inhibitors containing nitrogen-containing heteroaryl compounds
申请人:Meguro Masaki
公开号:US20050054732A1
公开(公告)日:2005-03-10
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).
本发明涉及预防或治疗阿尔茨海默病的药物或药物,或β淀粉样蛋白纤维形成抑制剂,其中包括通式(I)下的化合物或其药学上允许的盐作为活性成分;还涉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,其作为防治阿尔茨海默病的药物或β淀粉样蛋白纤维形成抑制剂具有价值:(其中,R1和R2是H或烷基;Z1和Z2是H,烷基,烷氧基,卤代烷基或卤素基;Z3是烷氧基,SH,烷硫基,NH2,单或双烷基氨基,OH或卤素基;Z4和Z5是H或卤素基;A是4,6-嘧啶-1,3-二基,1,3,5-三嗪-2,6-二基等)。