The compounds of the general Formula I, wherein R
1
stands for hydrogen or lower alkyl; one of symbols X and Y stands for hydrogen or halogen and the other represents a group of the general Formula II, R
2
is hydrogen or lower alkyl; n is 1, 2 or 3; R
3
is hydrogen, lower alkyl or aryl-lower alkyl; Z is -0-; or R
3
and Z together with the intermediate atoms form piperazino ring; Q and W independently from each other stands for —CH═ or —N═; and R
4
, R
5
and R
6
can be the same or different and stand for hydrogen, halogen, trifluoromethyl or lower alkoxy; or R
4
and R
5
together form an ethylenedioxy group) and pharmaceutically acceptable salts thereof can be used for the treatment or prophylaxis of malfunctions of memory and/or cognitive decline or prevention of decline of learning abilities.
通式 I 的化合物,其中 R
1
代表氢或低级烷基;符号 X 和 Y 中的一个代表氢或卤素,另一个代表通式 II 中的基团,R
2
是氢或低级烷基;n 是 1、2 或 3;R
3
是氢、低级烷基或芳基-低级烷基;Z 是-0-;或 R
3
和 Z 与中间原子一起形成
哌嗪环;Q 和 W 各自代表 -CH═ 或 -N═;以及 R
4
, R
5
和 R
6
可以相同或不同,代表氢、卤素、三
氟甲基或低级烷氧基;或 R
4
和 R
5
及其药学上可接受的盐类可用于治疗或预防记忆障碍和/或认知能力下降或预防学习能力下降。