The present invention encompasses structures of the formula I: ##STR1## and the pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## wherein: W represents substituted or unsubstituted aryl groups; X is hydrogen, hydroxy or lower alkyl; T is hydrogen, halogen, hydroxyl, amino or alkyl; R.sub.3 is hydrogen or an organic group; R.sub.4 is hydrogen or substituted or unsubstituted organic substituent; R.sub.5 and R.sub.6 represent organic, and inorganic substituents; and n is 1, 2, 3, or 4. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain recpetors. These compounds are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory.
本发明涵盖了I式结构和其药学上可接受的无毒盐,其中:W代表取代或未取代的芳基基团;X为氢、羟基或低碳基;T为氢、卤素、羟基、
氨基或烷基;R3为氢或有机基团;R4为氢或取代或未取代的有机取代基;R5和R6代表有机和无机取代基;n为1、2、3或4。这些化合物是高度选择性的
GABAa脑受体激动剂、拮抗剂或反向激动剂,或是
GABAa脑受体激动剂、拮抗剂或反向激动剂的前药。这些化合物在焦虑、睡眠和癫痫障碍、苯二氮平类药物过量和增强记忆方面的诊断和治疗中有用。