申请人:Merck Sharp & Dohme Limited
公开号:US07279580B2
公开(公告)日:2007-10-09
A class of 8-fluoro-3-phenylimidazo[1,2-α]pyridine derivatives, substituted at the meta position of the phenyl ring by an optionally substituted aryl or heteroaryl group, or by a pyrrolidinonyl group, which is directly attached or bridged by an oxygen atom or by a —NH— or —OCH2— linkage, being selective ligands for GABAA receptors, in particular having high affinity for the α2 and/or α3 and/or α5 subunit thereof, are accordingly of benefit in the treatment and/or prevention of adverse conditions of the central nervous system, including anxiety, convulsions and cognitive disorders.
一类8-氟-3-苯基咪唑[1,2-α]吡啶衍生物,苯环的间位被一个可选择取代的芳基或杂环基团或一个吡咯烷基取代,该基团通过氧原子或者-NH-或-OCH2-链直接连接或桥接,是GABAA受体的选择性配体,特别是对其中的α2和/或α3和/或α5亚单位具有高亲和力。因此,这些化合物有益于治疗和/或预防中枢神经系统的不良病症,包括焦虑、惊厥和认知障碍。