A class of substituted imadazolo[2,1-a]phthalazine derivatives as ligands for GABA
A
receptors of formula I:
which are partial or full inverse agonists of an α5 receptor subunit while being relatively free of activity at α1 and/or α2 and/or α3 receptor subunit binding sites are described herein; they are therefore of benefit as a medicament for enhancing cognition but with the reduction or elimination of proconvulsant activity.
本文描述了一类公式I的取代
咪唑并[2,1-a]
菲噻嗪衍
生物作为
GABAA受体
配体,它们是α5受体亚单位的部分或完全反向激动剂,同时在α1和/或α2和/或α3受体亚单位结合位点上相对无活性。因此,它们作为一种药物对增强认知有益,但减少或消除惹起抽搐的活性。