A class of 3-phenylimidazo[1,2-a]pyridine derivatives, substituted at the meta position of the phenyl ring by an optionally substituted aryl or heteroaryl group which is directly attached or bridged by an oxygen atom or a —NH— linkage, are selective ligands for GABA
A
receptors, in particular having high affinity for the &agr;2 and/or &agr;3 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of disorders of the central nervous system, including anxiety and convulsions.
一类3-苯基
咪唑[1,2-a]
吡啶衍生物,苯环的间位取代一个可选取代芳基或杂环芳基,该芳基或杂环芳基直接连接或通过氧原子或-NH-键桥接,是选择性的
GABAA受体
配体,特别是对其α2和/或α3亚基具有高亲和力,因此对于治疗和/或预防中枢神经系统疾病,包括焦虑和惊厥,具有益处。