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Dibutyltryptamine: Wikis

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Systematic (IUPAC) name
CAS number 15741-77-2
ATC code none
PubChem 27848
Chemical data
Formula C 18H28N2  
Mol. mass 272.428 g/mol
SMILES eMolecules & PubChem
Physical data
Melt. point 186–188 °C (367–370 °F)
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.  ?
Legal status
Routes  ?

Dibutyltryptamine (DBT) is a psychedelic drug belonging to the tryptamine family. It is found either as its crystalline hydrochloride salt or as an oily or crystalline base. DBT was first synthesized by the chemist Alexander Shulgin and reported in his book TiHKAL (Tryptamines i Have Known And Loved). Shulgin did not test DBT himself, but reports a human dosage of "1 mg/kg i.m." being active, but less so than DMT or DET.[1] This suggests that an active dosage of DBT will be in the 100mg range. This compound has been sold as a "research chemical" and has been confirmed to be an active hallucinogen although somewhat weaker than other similar tryptamine derivatives.

There are four symmetrical isomers of DBT which can be made, or ten isomers in total if unsymmetrical substitution is used. Of these only the n-butyl analogue DBT is known to be active in humans; the isobutyl, sec-butyl, and tert-butyl isomers DIBT, DSBT and DTBT have never been tested and only DBT and DIBT were made by Shulgin.

DBT isomers.png

The unsymmetrical isomers BIBT, BSBT, BTBT, IBSBT, IBTBT and SBTBT are also possible but have never been made and no predictions have been made about their activity. Shulgin speculates that the s-butyl isomer DSBT may be more potent than the straight chain compound DBT, but that the more highly branched DIBT and DTBT would probably be inactive due to the bulk of the substituent group. As for longer chain compounds than butyl, they have not been made and would probably be inactive. Shulgin mentions that the monohexyl compound NHT is without activity. However the unsymmetrical compounds such as methylbutyltryptamine show more promise, and a wide range of possible compounds could be made by pairing the various butyl isomers with methyl, ethyl, propyl, isopropyl or allyl groups.


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