Disclosed are compounds of Formula I:
or the pharmaceutically acceptable salts thereof where, R1, R2, and W are defined herein. 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 receptors and are therefore useful in the diagnosis and treatment of anxiety, depression, Down Syndrome, sleep and seizure disorders, overdose with benzodiazepine drugs and for enhancement of memory. Pharmaceutical compositions, including packaged pharmaceutical compositions, are further provided. Compounds of the invention are also useful as probes for the localization of GABAA receptors in tissue samples.
揭示了以下式I的化合物:或其药用可接受的盐,其中R1、R2和W在此定义。这些化合物是
GABAa脑受体的高度选择性激动剂、拮抗剂或逆向激动剂,或者是
GABAa脑受体的激动剂、拮抗剂或逆向激动剂的前药,因此在焦虑症、抑郁症、唐氏综合征、睡眠和癫痫障碍、苯二氮卓类药物过量和增强记忆的诊断和治疗中很有用。此外还提供了包括包装的药物组合物在内的药物组合物。本发明的化合物还可用作组织样本中
GABAA受体定位的探针。