本发明涉及以下式子的取代的imidazo[1,5-a][1,2,4]triazolo[1,5-d][1,4]benzodiazepine衍生物,其中取代基的定义在权利要求书中描述。这类化合物显示出高亲和力和选择性,适用于GABA A α5受体结合位点,可能有用作认知增强剂或用于治疗认知障碍如阿尔茨海默病。
[EN] The present invention is concerned with substituted imidazo[1,5-a][1,2,4]triazolo[1,5- d][1,4]benzodiazepine derivatives of the following formula (I) wherein the definition of substituents is described in the claims. It has been found that this class of compounds show high affinity and selectivity for GABA a5 receptor binding sites and might be useful as cognitive enhancer or for the treatment of cognitive disorders like Alzheimer's disease. [FR] La présente invention a trait à des dérivés substitués d'imidazo[1,5-a][1,2,4]triazolo[1,5- d][1,4]benzodiazépine de formule (I), dans laquelle les substituants sont tels que définis dans les revendications. On a observé que cette classe de composés présentent une affinité et une sélectivité élevées pour des sites de liaison au récepteur GABA a5 et peuvent être utiles en tant que activateur cognitif ou pour le traitement de troubles cognitifs tels que la maladie d'Alzheimer.
The present invention is concerned with substituted imidazo[1,5-a][1,2,4]triazolo[1,5-d][1,4]benzodiazepine derivatives of the following formula
wherein the definition of substituents is described in the claims. This class of compounds shows high affinity and selectivity for GABA A α5 receptor binding sites and might be useful as a cognitive enhancer or for the treatment of cognitive disorders like Alzheimer's disease.
本发明涉及以下式的取代咪唑[1,5-a][1,2,4]三唑[1,5-d][1,4]苯二氮䓬啉衍生物,其中取代基的定义在权利要求中描述。这类化合物对GABA A α5受体结合位点表现出高亲和力和选择性,可能有助于作为认知增强剂或治疗认知障碍如阿尔茨海默病的药物。
The Schiff bases of pyridoxal-5-phosphate and hydrazides of certain pyrazoles: Stability, kinetics of formation, and synthesis
作者:G. A. Gamov、V. V. Aleksandriiskii、M. N. Zavalishin、A. Yu. Khokhlova、V. A. Sharnin
DOI:10.1134/s1070363217060093
日期:2017.6
-yl)acetohydrazide, and 1Н-pyrazole-3-carbohydrazide has yielded Schiffbases; the products have been characterized by 1Н NMR and IR spectra. The binding ability of these pyrazoles with respect to pyridoxal-5-phosphate under conditions modeling the living tissues has been evaluated. Rate constants of the formation of the Schiffbases have been determined.