[EN] 2-AMINO-9-ALKYLPURINES: GABA BRAIN RECEPTOR LIGANDS<br/>[FR] 2-AMINO-9-ALKYLPURINES: LIGANDS POUR RECEPTEURS CEREBRAUX GABA
申请人:NEUROGEN CORP
公开号:WO2000037471A1
公开(公告)日:2000-06-29
Disclosed are compounds of formula (1): or the pharmaceutically acceptable non-toxic salts thereof wherein: W is oxygen or sulphur; X is (un)substituted lower alkyl; or X is (un)substituted aryl or heteroaryl; Y is hydrogen or lower alkyl; Z is lower alkenyl, lower alkynyl, or (un)substituted lower alkyl; T is (un)substituted aryl or heteroaryl. The 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. Thus these compounds are useful in the diagnosis and treatment of anxiety, sleep and seizure disorders. Down's Syndrome, overdose with benzodiazepine drugs, and for the enhancement of memory.