申请人:Kawagoe Keiichi
公开号:US20060276433A1
公开(公告)日:2006-12-07
A compound represented by the following formula (I):
wherein R
1
represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R
2
represents hydrogen, aryl which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc.; R
3
represents hydrogen, etc.; Ar represents a divalent group derived from aromatic hydrocarbon, etc.; X represents a single bond, linear or branched alkylene having from 1 to 3 carbon atoms which may have a substituent, etc.; and G represents halogen, a saturated or unsaturated 5- or 6-membered cyclic hydrocarbon group which may have a substituent, a saturated or unsaturated 5- to 7-membered heterocyclic group which may have a substituent, etc., a salt thereof or a solvate thereof; and an agent for inhibiting aggregation and/or deposition of an amyloid protein or an amyloid-like protein, which comprises the compound, a salt thereof or a solvate thereof.
以下是式子(I)所代表的化合物:
其中,R1代表氢、芳基(可能带有取代基)、饱和或不饱和的5-至7-成员杂环基(可能带有取代基)等;
R2代表氢、芳基(可能带有取代基)、饱和或不饱和的5-至7-成员杂环基(可能带有取代基)等;
R3代表氢等;
Ar代表从芳香族碳氢化合物衍生的二价基团等;
X代表单键、线性或支链烷基,具有1至3个碳原子,可能带有取代基等;
G代表卤素、饱和或不饱和的5-或6-成员环烃基(可能带有取代基)、饱和或不饱和的5-至7-成员杂环基(可能带有取代基)等,其盐或溶剂化物;以及用于抑制淀粉样蛋白或类淀粉样蛋白的聚集和/或沉积的药剂,包括该化合物、其盐或溶剂化物。