Chemistry:2C-tBu

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2C-tBu, or 2C-t-Bu, also known as 4-tert-butyl-2,5-dimethoxyphenethylamine, is a serotonin receptor agonist and putative serotonergic psychedelic of the phenethylamine and 2C families.[1][2]

Use and effects

The active dose of 2C-tBu in humans is >5 mg orally per Daniel Trachsel and its duration is unknown.[1] Initial tests with 7 mg and with 10 mg (as 5 mg plus 5 mg 2 hours apart) orally produced no psychedelic effects in humans, but instead induced a pronounced and long-lasting tiredness.[1] It was hypothesized by Daniel Trachsel and colleagues that 2C-tBu might be a serotonin 5-HT2A receptor antagonist and might thereby be hypnotic,[1] but it was instead shown to be an agonist in subsequent studies.[2]

Interactions

Pharmacology

Pharmacodynamics

2C-tBu is a potent serotonin 5-HT2A receptor agonist (Ki = 9.9–35 nM, EC50 = 4.2 nM) and also binds to the serotonin 5-HT2C receptor (Ki = 7–24 nM).[1][2] The drug produces a robust head-twitch response, a behavioral proxy of psychedelic effects, in rodents.[2] It also produces hyperlocomotion in rodents.[2]

Chemistry

Analogues

Analogues of 2C-tBu include 2C-Bu, 2C-iBu, 2C-sBu, and DOTB, among others.[1]

History

2C-tBu was first described in the scientific literature by Daniel Trachsel and colleagues in 2013.[1]

Society and culture

Canada

2C-tBu is a controlled substance in Canada under phenethylamine blanket-ban language.[3]

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 (in de) Phenethylamine: von der Struktur zur Funktion. Nachtschatten-Science. Solothurn: Nachtschatten-Verlag. 2013. pp. 766–767,771,901. ISBN 978-3-03788-700-4. OCLC 858805226. https://books.google.com/books?id=-Us1kgEACAAJ. Retrieved 29 January 2025. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 "Synthesis and Structure-Activity Relationships of 2,5-Dimethoxy-4-Substituted Phenethylamines and the Discovery of CYB210010: A Potent, Orally Bioavailable and Long-Acting Serotonin 5-HT2 Receptor Agonist". Journal of Medicinal Chemistry 67 (8): 6144–6188. April 2024. doi:10.1021/acs.jmedchem.3c01961. PMID 38593423. "The 4-tert-butyl group was considered as a spot for potential hydroxylation by cytochrome P450s to discover analogs with short-lasting effects. However, 2C-t-Bu was a potent agonist at the 5-HT2A receptor (Ki = 9.9 nM, EC50 = 4.2 nM) and elicited a robust HTR (Supporting Information, Table S1), providing in vivo evidence that the tert-butyl group is not rapidly metabolized to an inactive compound in mice, despite predictions.". 
  3. ↑ "Controlled Drugs and Substances Act". https://laws-lois.justice.gc.ca/eng/acts/c-38.8/FullText.html. 



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