The present invention encompasses structures of the Formula ##STR1## or the pharmaceutically acceptable non-toxic salts thereof wherein: x is hydrogen, halogen, (un)substituted alkyl, (un)substituted alkoxy or amino; and Y is (un)substituted alkyl, aryl, or heteroaryl, which compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors. These compounds are useful in the diagnosis and treatment of anxiety, Down Syndrome, sleep, cognitive and seizure disorders, and overdose with benzodiazepine drugs and for enhancement of alertness.
本发明涵盖了以下结构的化合物:##STR1## 或其药学上可接受的无毒盐,其中:x为氢、卤素、(未)取代的烷基、(未)取代的烷氧基或
氨基;Y为(未)取代的烷基、芳基或杂环芳基,这些化合物是高度选择性的
GABAa脑受体的激动剂、拮抗剂或逆拮抗剂,或者是
GABAa脑受体激动剂、拮抗剂或逆拮抗剂的前药。这些化合物在焦虑、唐氏综合征、睡眠、认知和癫痫障碍的诊断和治疗以及苯二氮卓类药物过量和警觉度增强方面很有用。