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5-MeO-NMT

From Wikipedia, the free encyclopedia

Pharmaceutical compound
5-MeO-NMT
Clinical data
Other names5-OMe-NMT; 5-Methoxy-N-methyltryptamine
Drug classSerotonin receptor agonist;Serotonin 5-HT2A receptor agonist;Serotonin releasing agent
ATC code
  • None
Identifiers
  • 2-(5-methoxy-1H-indol-3-yl)-N-methylethan-1-amine
CAS Number
PubChemCID
ChemSpider
UNII
ChEBI
ChEMBL
CompTox Dashboard(EPA)
Chemical and physical data
FormulaC12H16N2O
Molar mass204.273 g·mol−1
3D model (JSmol)
  • CNCCC1=CNC2=CC=C(C=C21)OC
  • InChI=1S/C12H16N2O/c1-13-6-5-9-8-14-12-4-3-10(15-2)7-11(9)12/h3-4,7-8,13-14H,5-6H2,1-2H3 checkY
  • Key:NFDDCRIHMZGWBP-UHFFFAOYSA-N checkY
 ☒NcheckY (what is this?)  (verify)

5-MeO-NMT, also known as5-methoxy-N-methyltryptamine, is antryptaminealkaloid, being the 5-methoxyanalogue ofN-methyltryptamine (NMT). It was first isolated fromPhalaris arundinacea (reed canary grass) and also occurs in other species such asVirola species andBufo alvarius skin.[1][2] The compound has beensynthesized byAlexander Shulgin and reported in his bookTiHKAL (Tryptamines I Have Known and Loved).[1]

Use and effects

[edit]

Alexander Shulgin included 5-MeO-NMT as an entry in his bookTiHKAL (Tryptamines I Have Known and Loved).[1] However, he does not appear to have tested it and states that thedose andduration of the compound are unknown.[1] In any case, Shulgin stated that it would be expected to be rapidlymetabolized bymonoamine oxidase and that it would likely only be activeparenterally.[1]

Pharmacology

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Pharmacodynamics

[edit]
5-MeO-NMT activities
TargetAffinity (Ki, nM)
5-HT1A7.9 (Ki)
1.1–220 (EC50Tooltip half-maximal effective concentration)
72–111% (EmaxTooltip maximal efficacy)
5-HT1B23
5-HT1D3
5-HT1E212
5-HT2A79 (Ki)
3.8–6.4 (EC50)
84–113% (
Emax)
5-HT2B11 (Ki)
8.8–12 (EC50)
94% (
Emax)
5-HT2C116 (Ki)
1.2–13 (EC50)
104% (
Emax)
5-HT3IA
5-HT5A60
5-HT625
5-HT77
α2A1,543
D4885
SERT1,114a (EC50)
NETTooltip Norepinephrine transporter>10,000a (EC50)
DATTooltip Dopamine transporter>10,000a (EC50)
Notes: The smaller the value, the more avidly the drug interacts with the site.Footnotes:a =Neurotransmitter release.Sources:[3][4]

5-MeO-NMT is apotentagonist of theserotonin5-HT1A,5-HT2A,5-HT2B, and5-HT2C receptors.[4] It is afull agonist or near-full agonist of all of these receptors except for the serotonin 5-HT1A receptor, where it is apartial agonist.[4] It additionally displays a high affinity for multiple otherserotonin receptors.[4] The drug is also a very weakserotonin releasing agent and has sub micromolar affinity fordopamine D4 receptor.[3][4]

There is conflicting data on its effects in mammals. In a study in 1964, Taborsky and McIsaac found 5-methoxy-NMT to have a 'moderately disruptive effect on conditioned behavior' in rats.[5] Another study found it does not produce thehead-twitch response, a behavioral proxy ofpsychedelic effects, in rodents, and in some cases even reduced total HTRs.[4] On the other hand, it does induce serotonin 5-HT1A receptor-mediatedhypothermia andhypolocomotion.[4] Earlier reports had stated that 5-MeO-NMT and itsN-demethylated analogue5-methoxytryptamine were inactive, but this proved not to be the case.[6]

Chemistry

[edit]

Synthesis

[edit]

Thechemical synthesis of 5-MeO-NMT has been described.[1]

Analogues

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Notableanalogues of 5-MeO-NMT includeNMT,5-MeO-NET,5-MeO-NiPT,norpsilocin (4-HO-NMT),baeocystin (4-PO-NMT),4-HO-NALT, and5-MeO-NBpBrT, among others.[4][3][1] 5-MeO-NMT is theN-monodemethylated analogue of5-MeO-DMT.[1]

Society and culture

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Legal status

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United States

[edit]

In the United States, this substance is aSchedule 1analogue ofbufotenin.[citation needed]

See also

[edit]

References

[edit]
  1. ^abcdefgh5-MeO-NMT Entry inTIHKAL
  2. ^Wilkinson S (1958). "428. 5-Methoxy-N-methyltryptamine: a new indole alkaloid from Phalaris arundinacea L.".Journal of the Chemical Society (Resumed): 2079.doi:10.1039/jr9580002079.
  3. ^abcBlough BE, Landavazo A, Decker AM, Partilla JS, Baumann MH, Rothman RB (October 2014)."Interaction of psychoactive tryptamines with biogenic amine transporters and serotonin receptor subtypes".Psychopharmacology.231 (21):4135–4144.doi:10.1007/s00213-014-3557-7.PMC 4194234.PMID 24800892.
  4. ^abcdefghGlatfelter GC, Clark AA, Cavalco NG, Landavazo A, Partilla JS, Naeem M, et al. (December 2024). "Serotonin 1A Receptors Modulate Serotonin 2A Receptor-Mediated Behavioral Effects of 5-Methoxy-N,N-dimethyltryptamine Analogs in Mice".ACS Chemical Neuroscience.15 (24):4458–4477.doi:10.1021/acschemneuro.4c00513.PMID 39636099.
  5. ^Taborsky RG, Mcisaac WM (March 1964). "The relationship between the metabolic fate and pharmacological action of 5-methoxy-N-methyltryptamine".Biochemical Pharmacology.13 (3):531–534.doi:10.1016/0006-2952(64)90174-1.PMID 14157616.
  6. ^Brimblecombe RW, Pinder RM (1975). "Indolealkylamines and Related Compounds".Hallucinogenic Agents. Bristol: Wright-Scientechnica. pp. 98–144.ISBN 978-0-85608-011-1.OCLC 2176880.OL 4850660M.The same relationship holds with the 5-methoxy derivatives, the N-methyl compound and the parent tryptamine being metabolized by amine oxidases to an extent greater than 80 per cent (Kveder and Mcisaac, 1961; Taborsky and Mcisaac, 1964a) and being ineffective in altering animal behaviour (Smythies, Bradley, and Johnston, 1967), while 5-methoxy-N,N-dimethyltryptamine is resistant to oxidative deamination and is among the most potent of the hallucinogenic tryptamines.

External links

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