AM-2233

AM-2233
Legal status
Legal status
  • CA: Schedule II
  • DE: Anlage II (Authorized trade only, not prescriptible)
  • NZ: Temporary Class
  • UK: Class B
Identifiers
IUPAC name
  • 1-[(N-methylpiperidin-2-yl)methyl]-3-(2-iodobenzoyl)indole
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.233.382
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Chemical and physical data
FormulaC22H23IN2O
Molar mass458.343 g·mol−1
3D model (JSmol)
SMILES
  • Ic3ccccc3C(=O)c1cn(CC2CCCCN2C)c4c1cccc4
InChI
  • InChI=1S/C22H23IN2O/c1-24-13-7-6-8-16(24)14-25-15-19(17-9-3-5-12-21(17)25)22(26)18-10-2-4-11-20(18)23/h2-5,9-12,15-16H,6-8,13-14H2,1H3 checkY
  • Key:KSLCYQTUSSEGPT-UHFFFAOYSA-N checkY
 ☒NcheckY (what is this?)  (verify)

AM-2233 is a drug that acts as a highly potent full agonist for the cannabinoid receptors, with a Ki of 1.8 nM at CB1 and 2.2 nM at CB2 as the active (R) enantiomer.[1] It was developed as a selective radioligand for the cannabinoid receptors and has been used as its 131I derivative for mapping the distribution of the CB1 receptor in the brain.[2][3][4][5][6][7] AM-2233 was found to fully substitute for THC in rats, with a potency lower than that of JWH-018 but higher than WIN 55,212-2.[8]

It is notable for inducing tinnitus,[9] though the reasons for this are unclear and may provide valuable insight into tinnitus research.

As of October 2015 AM-2233 is a controlled substance in China.[10]

See also

References

  1. ↑ Hongfeng Deng (2000). Design and synthesis of selective cannabinoid receptor ligands: Aminoalkylindole and other heterocyclic analogs (PhD Dissertation). University of Connecticut. ProQuest 304624325.
  2. ↑ Deng H; et al. (October 2005). "Potent cannabinergic indole analogues as radioiodinatable brain imaging agents for the CB1 cannabinoid receptor". Journal of Medicinal Chemistry. 48 (20): 6386–92. doi:10.1021/jm050135l. PMID 16190764.
  3. ↑ Hanuš, L. R. O.; Mechoulam, R. (2005). "Cannabinoid chemistry: an overview". Cannabinoids as Therapeutics. Milestones in Drug Therapy MDT. p. 23. doi:10.1007/3-7643-7358-X_2. ISBN 978-3-7643-7055-8.
  4. ↑ Shen CP; et al. (February 2006). "F200A substitution in the third transmembrane helix of human cannabinoid CB1 receptor converts AM2233 from receptor agonist to inverse agonist". European Journal of Pharmacology. 531 (1–3): 41–6. doi:10.1016/j.ejphar.2005.12.026. PMID 16438957.
  5. ↑ Dhawan, J.; Deng, H.; Gatley, S. J.; Makriyannis, A.; Akinfeleye, T.; Bruneus, M.; Dimaio, A. A.; Gifford, A. N. (2006). "Evaluation of the in vivo receptor occupancy for the behavioral effects of cannabinoids using a radiolabeled cannabinoid receptor agonist, R-[125/131I]AM2233". Synapse. 60 (2): 93–101. doi:10.1002/syn.20277. PMID 16715483. S2CID 21269336.
  6. ↑ Leung K (Dec 12, 2006). "R-2-[131I]Iodophenyl-(1-(1-methylpiperidin-2-ylmethyl)-1H-indol-3-yl)methanone". Molecular Imaging and Contrast Agent Database (MICAD) [Internet]. PMID 20641836.
  7. ↑ Pei, Y.; et al. (2008). "Ligand-Binding Architecture of Human CB2 Cannabinoid Receptor: Evidence for Receptor Subtype-Specific Binding Motif and Modeling GPCR Activation". Chemistry & Biology. 15 (11): 1207–19. doi:10.1016/j.chembiol.2008.10.011. PMC 3700404. PMID 19022181.
  8. ↑ Järbe TU, Deng H, Vadivel SK, Makriyannis A (September 2011). "Cannabinergic aminoalkylindoles, including AM678=JWH018 found in 'Spice', examined using drug (Δ9-tetrahydrocannabinol) discrimination for rats". Behavioural Pharmacology. 22 (5–6): 498–507. doi:10.1097/FBP.0b013e328349fbd5. PMC 3212432. PMID 21836461.
  9. ↑ "AM-2233 INDUCED TINNITUS: COLLECTED REPORTS". 30 September 2014. Retrieved 5 April 2019.
  10. ↑ "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Archived from the original on 1 October 2015. Retrieved 1 October 2015.


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