Patent · US Expired

Certain aryl fused imidazopyrimidines; a new class of GABA brain receptor ligands

US5212310A · kind A · utility

71Cited by
5References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 1991
Grant dateMay 18, 1993
Priority date
Expiry dateDec 19, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention encompasses structures of the formula: ##STR1## and the pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## and W, X, A, B, C, D, E, R.sub.3, R.sub.4 are variables. These compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs thereof and are useful in the diagnosis and treatment of anxiety, sleep, and seizure disorders, overdose with benzodiazepine drugs, and enhancement of memory.

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