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    • 4. 发明授权
    • Galanthamine derivatives as acetylcholinesterase inhibitors
    • Galanthamine衍生物作为乙酰胆碱酯酶抑制剂
    • US06316439B1
    • 2001-11-13
    • US08137444
    • 1993-10-15
    • Raymond W. Kosley, Jr.Larry DavisVeronica Taberna
    • Raymond W. Kosley, Jr.Larry DavisVeronica Taberna
    • C07D49106
    • C07D491/10
    • This application relates to compounds of the formula wherein R1 is hydrogen, (C1-C12)alkylcarbonyl, (C1-C12)alkoxycarbonyl, aryl(C1-C12)alkylaminocarbonyl, mono(C1-C18)alkylaminocarbonyl or di(C1-C8)alkylaminocarbonyl; R2 is (C1-C12)alkylcarbonyloxy, aryl(C1-C4)alkylcarbonyloxy, (C1-C12)alkoxycarbonyloxy, arylcarbonyloxy, hydroxy, (C1-C6)alkoxycarbonyl(C1-C6)alkoxy or hydroxy(C1-C10)alkoxy; R3 is hydrogen or halo; and pharmaceutically acceptable addition salts; with the proviso that when R2 is hydroxy, R1 and R3 are not both hydrogen or when R2 is hydroxy and R3 is hydrogen, R1 is not methylcarbonyl; which compounds are useful for the treatment of memory dysfunction characterized by decreased cholinergic function, pharmaceutical compositions containing the compounds and methods for making and using the compounds.
    • 本申请涉及式(Ⅳ)化合物,其中R1是氢,(C1-C12)烷基羰基,(C1-C12)烷氧基羰基,芳基(C1-C12)烷基氨基羰基,单(C1-C18)烷基氨基羰基或二(C1-C8)烷基氨基羰基; R2是(C1-C12)烷基羰基氧基,芳基(C1-C4)烷基羰基氧基,(C1-C12)烷氧基羰氧基,芳基羰基氧基,羟基,(C1-C6)烷氧羰基(C1-C6)烷氧基或羟基(C1-C10) 是氢或卤素; 和药学上可接受的加成盐; 条件是当R 2是羟基时,R 1和R 3不是氢或当R 2是羟基且R 3是氢时,R 1不是甲基羰基;这些化合物可用于治疗以胆碱能功能降低为特征的记忆功能障碍,含有 化合物的制备和使用方法。