The present invention provides a compound of formula (I) in which R1 is generally hydrogen or CF3, R2 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
本发明提供了一种化合物,其
化学式为(I),其中R1通常为
氢或
CF3,R2通常为
氢,W为环状胺基、杂环或L-Y—X基团,其中L-Y为连接部分,X通常为芳香或非芳香杂环、烷基或烷基甲酰基,Z通常为杂环,例如
5-甲基异噁唑-3-基,并提供其药学上可接受的盐,用于增强认知能力,例如在阿尔茨海默病等疾病中,还提供包含它们的制药组合物,它们用于制造药物和使用它们的治疗方法。