Chemistry:2CD-5EtO

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Short description: Chemical compound
2CD-5EtO
2CD-5EtO structure.png
Identifiers
CAS Number
PubChem CID
ChemSpider
Chemical and physical data
FormulaC12H19NO2
Molar mass209.289 g·mol−1
3D model (JSmol)
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2CD-5EtO is a homologue of the psychedelic phenethylamine 2C-D, where the 5-methoxy group of 2C-D has been lengthened to an ethoxy group. 2CD-5EtO is a representative example of the so-called "tweetio" compounds discovered by Alexander Shulgin and briefly mentioned in his book PiHKAL. They are homologues of the 2C family of drugs, where either one or both of the methoxy groups at the 2,5-positions of the aromatic ring have been replaced by ethoxy. The term tweetio was derived phonetically from the sound of the "2-ETO" derivatives.

Many tweetio derivatives of various 2C drugs have been synthesized and tested, including the 2-ethoxy homologues 2CD-2EtO, 2CB-2EtO, 2CI-2EtO, 2CT-2EtO, 2CT2-2EtO, 2CT4-2EtO and 2CT7-2EtO, the 5-ethoxy homologues 2CD-5EtO, 2CE-5EtO, 2CB-5EtO, 2CT-5EtO and 2CT2-5EtO, and the 2,5-diethoxy homologues 2CD-diEtO, 2CB-diEtO and 2CT2-diEtO,[1] as well as 2CE-5iPrO.[2] In general, the 2-ethoxy homologues were all several times less potent and somewhat shorter acting than the parent compounds, while the 2,5-diethoxy homologues were far less potent and qualitatively milder even at high doses.[3] The 5-ethoxy homologues however were of a similar potency to the parent compounds and much longer-lasting, with both 2CE-5EtO and 2CT2-5EtO lasting 24 hours or more.

Structures of 2CD-2EtO, 2CE-5EtO and 2CT2-5EtO

References

  1. Laing, Richard R. (2003). Hallucinogens: a forensic drug handbook. Academic Press. pp. 85–86. ISBN 978-0-12-433951-4. 
  2. Flanagan TW, Billac GB, Landry AN, Sebastian MN, Cormier SA, Nichols CD. Structure-Activity Relationship Analysis of Psychedelics in a Rat Model of Asthma Reveals the Anti-Inflammatory Pharmacophore. ACS Pharmacol Transl Sci. 2020 Aug 13;4(2):488-502. doi:10.1021/acsptsci.0c00063 PMID 33860179
  3. "Structure-activity relationships of the classic hallucinogens and their analogs". NIDA Research Monograph 146: 74–91. 1994. PMID 8742795. http://www.erowid.org/psychoactives/journals/psychoactives_journal8.shtml. 

External links