申请人:Takeda Chemical Industries, Ltd.
公开号:US06586475B1
公开(公告)日:2003-07-01
A compound of the formula:
wherein Ar is an aromatic group; X and Y are a bivalent group selected from —O—, —S—, —CO—, —SO2—, —NR8—, —CONR8—, SO2NR8 and —COO— (wherein R8 is H, a hydrocarbon group or acyl), or a bivalent C1-6 aliphatic hydrocarbon group which may contain one or two above bivalent groups; R1 and R2 are H or C1-6 alkyl, or R1 and R2 may form, together with the adjacent nitrogen atom, a nitrogen-containing heterocyclic ring; and ring A is a monocyclic aromatic ring, or a salt thereof or a prodrug thereof exhibits an excellent inhibitory activity of the production and/or the secretion of amyloid-&bgr; protein.
该化合物的公式为:其中Ar是一个芳香族基团;X和Y是从—O—,—S—,—CO—,—SO2—,—NR8—,—CONR8—,SO2NR8和—COO—(其中R8是H,一个碳氢基团或酰基)中选择的二价基团,或一个可能包含一个或两个上述二价基团的二价C1-6脂肪烃基团;R1和R2是H或C1-6烷基,或R1和R2可以与相邻的氮原子一起形成含氮杂环环;环A是单环芳香环,或其盐或前药,具有出色的抑制淀粉样蛋白β的产生和/或分泌的活性。