2C-tBu, also known as 2,5-dimethoxy-4-tert-butylphenethylamine, is a serotonin receptor agonist and putative serotonergic psychedelic of the phenethylamine and 2C families.[1][2] It is a potent serotonin 5-HT2A receptor agonist (Ki = 9.9–35 nM, EC50Tooltip half-maximal effective concentration = 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] The active dosage in humans is >5 mg per Daniel Trachsel and its duration is unknown.[1] Initial tests with 7 mg and 10 mg (as 5 mg plus 5 mg 2 hours apart) produced no psychedelic effects in humans, but instead induced a pronounced and long-lasting tiredness.[1] It was hypothesized 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]

See also

References

  1. ^ a b c d e Trachsel D, Lehmann D, Enzensperger C (2013). Phenethylamine: von der Struktur zur Funktion [Phenethylamines: From Structure to Function]. Nachtschatten-Science (in German). Solothurn: Nachtschatten-Verlag. pp. 766–767, 771, 901. ISBN 978-3-03788-700-4. OCLC 858805226. Retrieved 29 January 2025.
  2. ^ a b c d Varty GB, Canal CE, Mueller TA, Hartsel JA, Tyagi R, Avery K, Morgan ME, Reichelt AC, Pathare P, Stang E, Palfreyman MG, Nivorozhkin A (April 2024). "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". J Med Chem. 67 (8): 6144–6188. 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.



Allikas: https://en.wikipedia.org/wiki/2C-tBu
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