申请人:——
公开号:US20030013716A1
公开(公告)日:2003-01-16
A class of pyrazino[2,3-d]pyridazine derivatives, possessing an optionally substituted cycloalkyl, phenyl or heteroaryl substituent at the 5-position, a substituted alkoxy moiety at the 3-position, and a range of substituents at the 2-position, are selective ligands for GABA
A
receptors, in particular having high affinity for the &agr;2 and/or &agr;3 and/or &agr;5 subunit thereof, and are accordingly of benefit in the treatment and/or prevention of adverse conditions of the central nervous system, including anxiety, ceonvulsions and cognitive disorders.
一类吡嗪并[2,3-d]吡啶嗪衍生物,其在5位具有可选择的取代环烷基、苯基或杂环芳基取代基,在3位具有取代烷氧基,而在2位具有一系列取代基,是GABAA受体的选择性配体,特别是具有高亲和力的α2和/或α3和/或α5亚基,因此对于治疗和/或预防中枢神经系统的不良病症,包括焦虑、惊厥和认知障碍具有益处。