This invention encompasses compounds of formula (I) and pharmaceutically acceptable non-toxic salts thereof wherein (Ia) represents (i) or (ii) where n is 0, 1, or 2: R.sub.1 and R.sub.2 are hydrogen or straight or branched chain alkyl groups; Y various organic and inorganic substituents; W represents an aromatic group substituted with various organic and inorganic substituents; A is CH or N; B is a substituted or unsubstituted carbon or N; and E is hydrogen or straight or branched alkyl groups. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine type drugs, and enhancement of alertness.
这项发明涵盖了式(I)的化合物及其药用可接受的无毒盐,其中(Ia)代表(i)或(ii),其中n为0、1或2:R.sub.1和R.sub.2为氢或直链或支链烷基基团;Y代表各种有机和无机取代基;W代表带有各种有机和无机取代基的芳香基团;A为CH或N;B为取代或未取代的碳或N;E为氢或直链或支链烷基基团。这些化合物是
GABAa脑受体的高度选择性激动剂、拮抗剂或逆激动剂,或其前药,可用于焦虑、睡眠和癫痫障碍的诊断和治疗、苯二氮卓类药物过量和警觉性增强。