A class of substituted and/or ring-fused pyrazolo[3,4-b]pyridine derivatives, possessing an optionally substituted cycloalkyl, phenyl or heteroaryl substituent on the pyrazole nitrogen atom adjacent the pyridine nucleus, and an optionally substituted cycloalkyl-alkoxy, aryl-alkoxy or heteroaryl-alkoxy substituent on the carbon atom adjacent the pyridine ring nitrogen atom, are selective ligands for GABAA receptors, in particular having high affinity for the &bgr;2 and/or &bgr;3 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of adverse neurological disorders, including anxiety and convulsions.
一类取代和/或环融合的
吡唑并[3,4-b]
吡啶衍生物,其在
吡啶环邻近的
吡唑氮原子上具有可选取代的
环烷基、
苯基或杂环基取代基,并在
吡啶环
氮原子相邻的
碳原子上具有可选取代的
环烷基-烷
氧基、芳基-烷
氧基或杂环基-烷
氧基取代基,是
GABAA受体的选择性
配体,特别是具有高亲和力的β2和/或β3亚单位,因此对于治疗和/或预防不良神经系统疾病,包括焦虑和惊厥,具有益处。