申请人:Meiji Seika Kaisha, Ltd.
公开号:EP1142881A1
公开(公告)日:2001-10-10
A medicament for therapeutic and/or preventive treatment of a brain disease, which comprises a compound represented by the following general formula (I) or a pharmaceutically acceptable salt thereof as an active ingredient:
wherein R represents hydrogen atom, a C1-C8 alkyl group, a substituted C1-C8 alkyl group, an aryl group, a substituted aryl group, an aryl(C1-C8)alkyl group and the like; Y represents hydrogen atom or -C(R2)R3 (R2 and R3 represent hydrogen atom, a C1-C8 alkyl group, a C1-C8 alkoxy(C1-C8)alkyl group, a hydroxy(C1-C8)alkyl group and the like); symbol "a" represents single bond when Y represents hydrogen atom, or "a" represents double bound when Y represents -C(R2)R3; -A-B- represents -CH2-CH2-, -S-CH2-, -O-CH2-, -CH2-S-, -CH2-O-, -SO-CH2-, -CH2-SO-, -SO2-CH2-, or -CH2-SO2-; and Z represents -CH2- or single bond.
一种用于治疗和/或预防脑部疾病的药物,其活性成分包括下式通式(I)所代表的化合物或其药学上可接受的盐:
其中 R 代表氢原子、C1-C8 烷基、取代的 C1-C8 烷基、芳基、取代的芳基、芳基(C1-C8)烷基等;Y 代表氢原子或 -C(R2)R3 (R2 和 R3 代表氢原子、C1-C8 烷基、C1-C8 烷氧基(C1-C8)烷基、羟基(C1-C8)烷基等);符号 "a "在 Y 代表氢原子时代表单键,或 "a "在 Y 代表-C(R2)R3 时代表双键;-A-B-代表-CH2-CH2-、-S-CH2-、-O-CH2-、-CH2-S-、-CH2-O-、-SO-CH2-、-CH2-SO-、-SO2-或-CH2-SO2-;Z 代表-CH2-或单键。