申请人:Takeda Chemical Industries, Ltd.
公开号:US06310107B1
公开(公告)日:2001-10-30
A compound of the formula:
wherein Ar is an aromatic ring assembly group which may be substituted or a fused aromatic group which may be substituted; X is (i) a bond, (ii) —S—, —SO— or —SO2—, (iii) C1-6 alkylene, C2-6 alkenylene or C2-6 alkynylene, etc., (iv) —CO—O— or (v) —(CH2)p-X1—, —(CH2)p-X1— (CH2)q-, —(CH2)r-CO—X1—, —SO2—NR8— or —(CH2)r-SO2—NR8— wherein X1 is O or NR8, R8 is H, a hydrocarbon group which may be substituted or an acyl, p is 0 to 5, q is 1 to 5, p+q is 1 to 5, and r is 1 to 4; Y is a divalent C1-6 aliphatic hydrocarbon group optionally containing O or S, which may be substituted; R1 and R2 each is H or a lower alkyl which may be substituted, or R1 and R2 form a N-containing heterocyclic ring which may be substituted; Ring A is a benzene ring which may be further substituted; and Ring B is a 4- to 8-membered ring which may be further substituted, or a salt thereof has the effect of inhibiting amyloid-&bgr; protein production and/or secretion and is useful as a pharmaceutical composition for preventing and/or treating the neurodegenerative disease, etc.
该化合物的化学式为: 其中Ar是一个芳香环组成的群,可以被取代或一个融合的芳香基团,可以被取代; X是(i)一个键,(ii) -S-, -SO-或-SO2-, (iii) C1-6烷基,C2-6烯基或C2-6炔基等,(iv) -CO-O-或(v) -(CH2)p-X1-, -(CH2)p-X1-(CH2)q-, -(CH2)r-CO-X1-, -SO2-NR8-或-(CH2)r-SO2-NR8-其中X1是O或NR8,R8是H,一个可以被取代的碳氢化合物基团或一个酰基,p为0至5,q为1至5,p+q为1至5,r为1至4; Y是一个二价的C1-6脂肪烃基团,可选含有O或S,可以被取代; R1和R2各自是H或可以被取代的低烷基,或R1和R2形成一个可以被取代的含N杂环;环A是一个苯环,可以进一步被取代; 环B是一个4至8成员环,可以进一步被取代,或其盐具有抑制淀粉样蛋白β的产生和/或分泌的作用,并且可用作预防和/或治疗神经退行性疾病等的药物组合物。