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4-Hydroxy-5-methoxydimethyltryptamine: Wikis

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Systematic (IUPAC) name
ATC code  ?
ChemSpider 21106242
Chemical data
Formula C13H18N2O2 
Mol. mass 234.30 g/mol
SMILES eMolecules & PubChem
Therapeutic considerations
Pregnancy cat.  ?
Legal status

4-Hydroxy-5-methoxydimethyltryptamine, or 4-HO-5-MeO-DMT is the 4-hydroxy counterpart of 5-MeO-DMT, or the 5-methoxy counterpart of psilocin.

It is a psychedelic tryptamine but very little is known about it. The only report of it in the chemical literature was a paper published by Marc Julia's group at the Pasteur Institute in 1965. [1] They only reported the synthesis and physical properties of the compound and it has never been documented or explored in any other way.

Their paper cites a 10 step synthesis of 4-HO-5-MeO-DMT from ortho-vanillin. However, Alexander Shulgin has explained that it could be possible to cultivate 4-HO-5-MeO-DMT in psilocybin mushrooms by adding 5-MeO-DMT to the growing substrate of the fungus. Though this method has never been explored with 5-MeO-DMT, it has been used successfully for changing DET into 4-HO-DET and 4-PO-DET, both of which had never before been found in nature.[2]

In the case of DET the mushrooms yielded only 4-HO-DET or 4-PO-DET respectively, instead of psilocin (4-HO-DMT) and psilocybin (4-PO-DMT), suggesting that the presence of the extraneous N-dialkylated tryptamines competed for the enzymes in the fungus mycelium that would normally produce psilocin. This method thus not only produced new chemical compounds that had never previously been made synthetically, but also rendered the fungus itself completely legal in many countries because of its absence of psilocin or psilocybin, although in countries with stricter drug analogue laws such as the USA or Australia the novel tryptamines produced might also be considered illegal.

Theoretically, this method would 4-hydroxylate and 4-phosphoryloxylate any tryptamine added to the substrate, opening the possibility of synthesizing as yet undiscovered tryptamines.


  1. ^ Julia M, Mélamed R, Gombert R (September 1965). "[Research on the indole series. XVI. On aryl-2-tryptamines and homologous amines]" (in French). Ann Inst Pasteur (Paris) 109 (3): 343–62. PMID 5825523. 
  2. ^ Gartz J (1989). "Biotransformation of tryptamine derivatives in mycelial cultures of Psilocybe". J. Basic Microbiol. 29 (6): 347–52. doi:10.1002/jobm.3620290608. PMID 2614674. 

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