申请人:Takeda Chemical Industries, Ltd.
公开号:EP1283039A1
公开(公告)日:2003-02-12
An excellent β secretase inhibitor is provided, which comprises a compound of the general formula:
wherein Ar is an aromatic group; X is a divalent group selected from -O-, -S-, -CO-, -SO-, -SO2-, -NR8-, -CONR8-, -SO2NR8-, and -COO- (wherein R8 is hydrogen, etc.), a divalent C1-6 aliphatic hydrocarbon group which may contain one or two of these divalent groups, or a bond; Y is a divalent group selected from -O-, -S-, -CO-, -SO-, -SO2-, -NR8-, -CONR8-, -SO2NR8-, and -COO-, or a divalent C1-6 aliphatic hydrocarbon group which may contain one or two of these divalent groups; R1 and R2 are hydrogen, a hydrocarbon group, etc., respectively; and A is a ring which may be further substituted, or a salt thereof.
本发明提供了一种优异的β分泌酶抑制剂,它由通式如下的化合物组成:
其中 Ar 是芳香族基团;X 是二价基团,选自-O-、-S-、-CO-、-SO-、-SO2-、-NR8-、-CONR8-、-SO2NR8-和-COO-(其中 R8 是氢等);二价 C1-6 脂肪族烃基团,可包含一个或两个这些二价基团。Y是选自-O-、-S-、-CO-、-SO-、-SO2-、-NR8-、-CONR8-、-SO2NR8-和-COO-的二价基团,或可包含一个或两个这些二价基团的二价 C1-6 脂肪族烃基;R1 和 R2 分别是氢、烃基等、分别为氢、烃基等;A 为可进一步取代的环或其盐。