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Lysergic acid ethyl-2-hydroxyethylamide

From Wikipedia, the free encyclopedia

Pharmaceutical compound
LEO
Clinical data
Other namesLEO;N-Ethyl-N-(2-hydroxyethyl)-6-methyl-9,10-didehydroergoline-8β-carboxamide
Drug classSerotonin receptor modulator
ATC code
  • None
Identifiers
  • (6aR,9R)-N-ethyl-N-(2-hydroxyethyl)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide
CAS Number
PubChemCID
ChemSpider
Chemical and physical data
FormulaC20H25N3O2
Molar mass339.439 g·mol−1
3D model (JSmol)
  • CCN(CCO)C(=O)[C@H]1CN([C@@H]2CC3=CNC4=CC=CC(=C34)C2=C1)C
  • InChI=1S/C20H25N3O2/c1-3-23(7-8-24)20(25)14-9-16-15-5-4-6-17-19(15)13(11-21-17)10-18(16)22(2)12-14/h4-6,9,11,14,18,21,24H,3,7-8,10,12H2,1-2H3/t14-,18-/m1/s1
  • Key:IWLBOZQDDPXOIT-RDTXWAMCSA-N

Lysergic acid ethyl-2-hydroxyethylamide (LEO) is aserotonin receptor modulator of thelysergamide family related tolysergic acid diethylamide (LSD).[1][2][3][4] It is thederivative of LSD in which one of itsN-ethyl groups of LSD has beenhydroxylated at the end or 2 position.[1][2] It is also anactive metabolite of LSD including in humans.[1][2][5] LEO showspotentantiserotonergic activity andoxytocic activity in the isolated ratuterusin vitro similarly to LSD.[3] In addition, it producedhyperthermia in rabbitsin vivo similarly to LSD.[4] LEO was first described in thescientific literature by 1974.[3]

See also

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References

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  1. ^abcNichols DE (October 2018)."Dark Classics in Chemical Neuroscience: Lysergic Acid Diethylamide (LSD)"(PDF).ACS Chemical Neuroscience.9 (10):2331–2343.doi:10.1021/acschemneuro.8b00043.PMID 29461039.
  2. ^abcPassie T, Halpern JH, Stichtenoth DO, Emrich HM, Hintzen A (2008)."The pharmacology of lysergic acid diethylamide: a review".CNS Neuroscience & Therapeutics.14 (4):295–314.doi:10.1111/j.1755-5949.2008.00059.x.PMC 6494066.PMID 19040555.
  3. ^abcHashimoto H, Hayashi M, Nakahara Y, Niwaguchi T, Ishii H (October 1977). "Actions of D-lysergic acid diethylamide (LSD) and its derivatives on 5-hydroxytryptamine receptors in the isolated uterine smooth muscle of the rat".European Journal of Pharmacology.45 (4):341–348.doi:10.1016/0014-2999(77)90273-4.PMID 923645.
  4. ^abHashimoto H, Hayashi M, Nakahara Y, Niwaguchi T, Ishii H (August 1977). "Hyperthermic effects of D-lysergic acid diethylamide (LSD) and its derivatives in rabbits and rats".Archives Internationales de Pharmacodynamie et de Therapie.228 (2):314–321.PMID 303504.
  5. ^Herian M (2022)."Pharmacological Action of LSD: LSD Effect on the Neurotransmission and Animal Behavior".Handbook of Substance Misuse and Addictions. Cham: Springer International Publishing. pp. 2457–2475.doi:10.1007/978-3-030-92392-1_131.ISBN 978-3-030-92391-4. Retrieved8 June 2025.

External links

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Ergolines
(incl.lysergines)
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(6,8-dimethylergolines)
Lysergamides
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