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Title: A-84,543  
Author: World Heritage Encyclopedia
Language: English
Subject: Alpha-4 beta-2 nicotinic receptor, TC-2216, ABT-202, TC-1698, SSR-180,711
Publisher: World Heritage Encyclopedia


Systematic (IUPAC) name
Clinical data
Legal status
CAS number  YesY
ATC code ?
ChemSpider  YesY
Chemical data
Formula C11H16N2O 
Mol. mass 192.257

A-84543 is a drug developed by Abbott, which acts as an agonist at neural nicotinic acetylcholine receptors with high selectivity for the α4β2 subtype. It is widely used in scientific research into the structure and function of this receptor subtype and has been the lead compound for the development of a large family of related derivatives.[1][2][2][3][4]


  1. ^ Abreo, M.; Lin, N.; Garvey, D.; Gunn, D.; Hettinger, A.; Wasicak, J.; Pavlik, P.; Martin, Y.; Donnelly-Roberts, D.; Anderson, D. J.; Sullivan, J. P.; Williams, M.; Arneric, S. P.; Holladay, M. W. (1996). "Novel 3-Pyridyl ethers with subnanomolar affinity for central neuronal nicotinic acetylcholine receptors". Journal of Medical Chemistry 39 (4): 817–825.  
  2. ^ a b Lin, N. H.; Gunn, D. E.; Li, Y.; He, Y.; Bai, H.; Ryther, K. B.; Kuntzweiler, T.; Donnelly-Roberts, D. L.; Anderson, D. J.; Campbell, J. E.; Sullivan, J. P.; Arneric, S. P.; Holladay, M. W. (1998). "Synthesis and structure-activity relationships of pyridine-modified analogs of 3-2-((S)-pyrrolidinyl)methoxypyridine, A-84543, a potent nicotinic acetylcholine receptor agonist". Bioorganic & Medicinal Chemistry Letters 8 (3): 249–254.  
  3. ^ Wei, Z.; Xiao, Y.; Yuan, H.; Baydyuk, M.; Petukhov, P.; Musachio, J.; Kellar, K.; Kozikowski, A. (2005). "Novel pyridyl ring C5 substituted analogues of epibatidine and 3-(1-methyl-2(S)-pyrrolidinylmethoxy)pyridine (A-84543) as highly selective agents for neuronal nicotinic acetylcholine receptors containing beta2 subunits".  
  4. ^ Carreras, J.; Avenoza, A.; Busto, J.; Peregrina, J. (2007). "Synthesis of azabicyclo2.2.nalkane systems as analogues of 3-1-methyl-2-(S)-pyrrolidinyl- methoxypyridine (A-84543)". The Journal of Organic Chemistry 72 (8): 3112–3115.  

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