Open Access Articles- Top Results for 1-Methylpsilocin


Systematic (IUPAC) name
Clinical data
1465-16-3 7pxN
PubChem CID 44404883
Chemical data
Formula C13H18N2O
218.294 g/mol

1-Methylpsilocin is a tryptamine derivative which acts as a selective agonist for the 5-HT2C receptor (IC50 of 12 nM, vs 633 nM at 5-HT2A), and an inverse agonist at 5-HT2B (Ki of 38 nM). While 1-methylpsilocin does have higher affinity for 5-HT2C than 5-HT2A, it does produces a head-twitch response in mice that is dependent on 5-HT2A, so it is not entirely free of effects on 5-HT2A in vivo. In contrast to psilocin, 1-methylpsilocin did not activate 5-HT1A receptors in mice. 1-Methylpsilocin has been investigated for applications such as treatment of glaucoma and cluster headaches, as these conditions are amenable to treatment with psychedelic drugs but are not generally treated with such agents due to the undesirable hallucinogenic side effects they produce. 1-Methylpsilocin therefore represents a potential alternative treatment to psilocin that may be less likely to produce hallucinogenic effects.[1][2][3]

See also


  1. ^ Sard, H; Kumaran, G; Morency, C; Roth, B. L.; Toth, B. A.; He, P; Shuster, L (2005). "SAR of psilocybin analogs: Discovery of a selective 5-HT 2C agonist". Bioorganic & Medicinal Chemistry Letters 15 (20): 4555–9. PMID 16061378. doi:10.1016/j.bmcl.2005.06.104. 
  2. ^ Sewell, R. A.; Halpern, J. H.; Pope Jr, H. G. (2006). "Response of cluster headache to psilocybin and LSD". Neurology 66 (12): 1920–2. PMID 16801660. doi:10.1212/01.wnl.0000219761.05466.43. 
  3. ^ Halberstadt, A. L.; Koedood, L; Powell, S. B.; Geyer, M. A. (2011). "Differential contributions of serotonin receptors to the behavioral effects of indoleamine hallucinogens in mice". Journal of Psychopharmacology 25 (11): 1548–61. PMC 3531560. PMID 21148021. doi:10.1177/0269881110388326. 

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