Certain aryl and cycloalkyl fused imidazopyrazinediones; a new class of GABA brain receptor ligands
US5840888A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
##STR1## The present invention encompasses compounds of formula (I), and the pharmaceutical acceptable non-toxic salts thereof wherein: where X represents hydrogen or lower alkyl; W represents an aryl group unsubstituted or substituted with various organic and inorganic substituents; (a) represents (b); (c); (d) or (e) or (a) represents (f), where A, B, C, D, and E represent carbon or nitrogen substituted with hydrogen or various organic and inorganic substituents; and n is 0, 1, or 2; Y, R.sub.3, R.sub.4, R.sub.12, and R.sub.13 are various organic and inorganic substituents. 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.