1
The present invention provides a compound of formula (I) in which R
1
is generally hydrogen or CF
3
, R
2
is generally hydrogen, W is a cyclic amine, a heterocycle or a group L-Y-X where L-Y is a linking portion and X is generally an aromatic or non-aromatic heterocycle, alkyl or alkylcarbonyl and Z is generally a heterocycle such as 5-methylisoxazol-3-yl, and pharmaceutically acceptable salts thereof for enhancing cognition in conditions such as Alzheimer's Disease, pharmaceutical compositions comprising them, their use for manufacturing medicaments and methods of treatment using them.
本发明提供了一种具有式(I)的化合物,其中R1通常为氢或
CF3,R2通常为氢,W为环胺、杂环或具有连接部分L-Y-X的基团,其中L-Y为连接部分,X通常为芳香或非芳香杂环、烷基或烷基羰基,Z通常为杂环,如
5-甲基异噁唑-3-基,以及其在增强认知方面的药用盐,例如在阿尔茨海默病等疾病中,包括它们的药物组合物,其用于制造药物和使用它们的治疗方法。