申请人:Roussel Uclaf
公开号:US05183893A1
公开(公告)日:1993-02-02
Compounds useful in the treatment of Alzheimer's disease, senile dementia or memory disorders of the aged of the formula ##STR1## in which n represents the number 1, 2 or 3, R.sub.1 and R.sub.2, identical or different, represent hydrogen, a linear, branched or cyclic alkyl, alkenyl, or alkynyl which contain up to 6 carbon atoms, R.sub.1 and R.sub.2 optionally substituted by hydroxy, alkoxy containing up to 6 carbon atoms, aralkyl containing up to 14 carbon atoms, a COOalk.sub.1 radical in which alk.sub.1 represents alkyl containing up to 6 carbon atoms, a --CON(alk.sub.2).sub.2 radical in which alk.sub.2 represents alkyl containing up to 6 carbon atoms, the radical --C(R.sub.1).dbd.NOR.sub.2 being in position 2, 3 or 4, in all their isomer forms and their mixture, as well as their addition salts with pharmaceutically acceptable organic or mineral acids. Also therapeutic compositions containing the compound, method of treatment and method of preparation.
该专利涉及一种治疗阿尔茨海默病、老年性痴呆或老年人记忆障碍的化合物,其化学式为##STR1##其中n代表数字1、2或3,R.sub.1和R.sub.2相同或不同,代表氢、线性、支链或环状烷基、烯基或炔基,其中含有最多6个碳原子,R.sub.1和R.sub.2可以被羟基、含有最多6个碳原子的烷氧基、含有最多14个碳原子的芳基烷基、COOalk.sub.1基团(其中alk.sub.1代表含有最多6个碳原子的烷基)或--CON(alk.sub.2).sub.2基团(其中alk.sub.2代表含有最多6个碳原子的烷基)取代,基团--C(R.sub.1).dbd.NOR.sub.2位于它们的异构体形式和混合物中的2、3或4位,以及它们与药用有机或无机酸的加合物。此外,还涉及含有该化合物的治疗组合物、治疗方法和制备方法。