Disclosed are compounds of the formula
1
and the pharmaceutically acceptable salts thereof wherein R, Ar, A, n, R
1
and R
2
are defined herein. These compounds are highly selective agonists, antagonists or inverse agonists for GABA
A
brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABA
A
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 also disclosed.
揭示了公式1的化合物及其药学上可接受的盐,其中R、Ar、A、n、R1和R2在此处定义。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脑受体的激动剂、拮抗剂或逆拮抗剂的前药,因此在焦虑、抑郁、唐氏综合症、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非常有用。还披露了包括包装的药物组合物在内的药物组合物。