Open Access Articles- Top Results for FG-8205


Systematic (IUPAC) name
Clinical data
122384-14-9 7pxN
PubChem CID 129710
ChemSpider 114837 7pxY
ChEMBL CHEMBL307202 7pxY
Chemical data
Formula C17H16ClN5O2
 14pxN (what is this?)  (verify)

FG-8205[1] (L-663,581) is an imidazobenzodiazepine derivative related to bretazenil, which acts as a partial agonist at GABAA receptors, with slight selectivity for the α1-containing subtype. In animal tests it has anxiolytic and anticonvulsant effects but with little sedation or ataxia produced.[2][3][4][5]

See also


  1. Watjen F, Baker R, Engelstoff M, Herbert R, MacLeod A, Knight A, Merchant K, Moseley J, Saunders J, Swain CJ (October 1989). "Novel benzodiazepine receptor partial agonists: oxadiazolylimidazobenzodiazepines". J. Med. Chem. 32 (10): 2282–91. PMID 2552115. doi:10.1021/jm00130a010. 
  2. Tricklebank MD, Honoré T, Iversen SD, Kemp JA, Knight AR, Marshall GR, Rupniak NM, Singh L, Tye S, Watjen F (November 1990). "The pharmacological properties of the imidazobenzodiazepine, FG 8205, a novel partial agonist at the benzodiazepine receptor". Br. J. Pharmacol. 101 (3): 753–61. PMC 1917729. PMID 1963808. doi:10.1111/j.1476-5381.1990.tb14152.x. 
  3. Lin JH, Chen IW, Lin TH (December 1994). "Blood–brain barrier permeability and in vivo activity of partial agonists of benzodiazepine receptor: a study of L-663,581 and its metabolites in rats". J. Pharmacol. Exp. Ther. 271 (3): 1197–202. PMID 7996426. 
  4. Guscott MR, Cook GP, Bristow LJ (September 2000). "Contextual fear conditioning and baseline startle responses in the rat fear-potentiated startle test: a comparison of benzodiazepine/gamma-aminobutyric acid-A receptor agonists". Behav Pharmacol 11 (6): 495–504. PMID 11103915. doi:10.1097/00008877-200009000-00006. 
  5. Atack JR (August 2003). "Anxioselective compounds acting at the GABA(A) receptor benzodiazepine binding site". Curr Drug Targets CNS Neurol Disord 2 (4): 213–32. PMID 12871032. doi:10.2174/1568007033482841. 

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