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O-Methyl-AL-34662

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(Redirected fromO-methyl-AL-34662)

Pharmaceutical compound
O-Methyl-AL-34662
Clinical data
Other namesIndazole-5-MeO-AMT
Drug classSerotonin5-HT2 receptoragonist;Serotonergic psychedelic;Hallucinogen
ATC code
  • None
Identifiers
  • (2S)-1-(6-methoxyindazol-1-yl)propan-2-amine
CAS Number
PubChemCID
ChemSpider
ChEMBL
Chemical and physical data
FormulaC11H15N3O
Molar mass205.261 g·mol−1
3D model (JSmol)
  • C[C@@H](CN1C2=C(C=CC(=C2)OC)C=N1)N
  • InChI=1S/C11H15N3O/c1-8(12)7-14-11-5-10(15-2)4-3-9(11)6-13-14/h3-6,8H,7,12H2,1-2H3/t8-/m0/s1
  • Key:WSEWULCWBQDNEH-QMMMGPOBSA-N

O-Methyl-AL-34662, also known asindazole-5-MeO-AMT, is aserotonin receptor agonist and putativeserotonergic psychedelic of theindazolethylamine family related to the psychedelictryptamine5-MeO-AMT.[1][2][3] It is ananalogue of 5-MeO-AMT in which theindolering has been replaced with an indazole ring and the activeenantiomer has been purified.[1][2][3]

The drug is apotentagonist of theserotonin5-HT2 receptors, including of theserotonin5-HT2A,5-HT2B, and5-HT2C receptors.[1][2] It is apartial tofull agonist of the serotonin 5-HT2A receptor and a full agonist of the serotonin 5-HT2C receptor.[1][2] BothO-methyl-AL-34662 and 5-MeO-AMT showed around 10-fold lower potency as agonists of the serotonin 5-HT2A receptor compared to the serotonin 5-HT2B and 5-HT2C receptors.[2] The drug has roughly the same activational potencies and efficacies at the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors as 5-MeO-AMT.[2]

It potently induces thehead-twitch response, a behavioral proxy of psychedelic effects, in mice, and hence may havehallucinogenic effects in humans.[1][2] Itseffective dose for induction of the head-twitch response was 0.16 mg/kg, which was about the same as that of(R)-DOI (0.13 mg/kg) and was about 6-fold more potent than 5-MeO-AMT (1.0 mg/kg).[1][2]

O-Methyl-AL-34662 was first described in thescientific literature by 2006.[1][2]

In contrast to the case ofO-methyl-AL-34662, the corresponding "flipped"indazole analogue of5-MeO-DMT has profoundly reduced potency as a serotonin 5-HT2A receptor agonist relative to 5-MeO-DMT (~1,250-fold lower activational potency).[4]

See also

[edit]

References

[edit]
  1. ^abcdefgDuan W, Cao D, Wang S, Cheng J (January 2024). "Serotonin 2A Receptor (5-HT2AR) Agonists: Psychedelics and Non-Hallucinogenic Analogues as Emerging Antidepressants".Chemical Reviews.124 (1):124–163.doi:10.1021/acs.chemrev.3c00375.PMID 38033123.
  2. ^abcdefghiMay JA, Dantanarayana AP, Zinke PW, McLaughlin MA, Sharif NA (January 2006). "1-((S)-2-aminopropyl)-1H-indazol-6-ol: a potent peripherally acting 5-HT2 receptor agonist with ocular hypotensive activity".Journal of Medicinal Chemistry.49 (1):318–328.doi:10.1021/jm050663x.PMID 16392816.
  3. ^abShimada I, Maeno K, Kazuta K, Kubota H, Kimizuka T, Kimura Y, et al. (February 2008). "Synthesis and structure-activity relationships of a series of substituted 2-(1H-furo[2,3-g]indazol-1-yl)ethylamine derivatives as 5-HT2C receptor agonists".Bioorganic & Medicinal Chemistry.16 (4):1966–1982.doi:10.1016/j.bmc.2007.10.100.PMID 18035544.
  4. ^Jayakodiarachchi N, Maurer MA, Schultz DC, Dodd CJ, Thompson Gray A, Cho HP, et al. (February 2024)."Evaluation of the Indazole Analogs of 5-MeO-DMT and Related Tryptamines as Serotonin Receptor 2 Agonists".ACS Medicinal Chemistry Letters.15 (2):302–309.doi:10.1021/acsmedchemlett.3c00566.PMC 10860182.PMID 38352850.

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