Patent · US Expired

Heterocyclic amino substituted heteroaryl fused pyridines; GABA brain receptor ligands

US6166203A · kind A · utility

14Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1999
Grant dateDec 26, 2000
Priority date
Expiry dateFeb 26, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D495/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are compounds of the formula ##STR1## or the pharmaceutically acceptable non-toxic salts thereof wherein: n is an integer from 0 to 3; PA1 the C ring is aryl or heteroaryl; PA1 X is CH, N, or O PA1 Z represents an electron pair, hydrogen, or (un)substituted heterocycle, aryl, or amido; PA1 W is (un)substituted alkyl, aryl, or heteroaryl; PA1 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.