Disclosed are compounds of the formula
1
or the pharmaceutically acceptable non-toxic salts thereof
wherein:
n is an integer from 0 to 3;
the C ring is aryl or heteroaryl;
X is CH, N, or O
Z represents an electron pair, hydrogen, or (un)substituted heterocycle, aryl, or amido;
W is (un)substituted alkyl, aryl, or heteroaryl;
A and B are hydrogen or lower alkyl,
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.
本发明涉及如下公式1的化合物或其药学上可接受的非毒性盐:
其中,n为0至3的整数;C环为芳基或杂环芳基;X为CH、N或O;Z代表电子对、氢或(未)取代的杂环、芳基或酰胺基;W为(未)取代的烷基、芳基或杂环芳基;A和B为氢或低碳基。这些化合物是高度选择性的
GABAa脑受体的激动剂、拮抗剂或反向激动剂,或者是
GABAa脑受体激动剂、拮抗剂或反向激动剂的前药。这些化合物可用于诊断和治疗焦虑症、唐氏综合症、睡眠、认知和癫痫障碍,以及苯二氮平类药物过量和提高警觉性。