LSM-775

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LSM-775
Clinical data
Other namesLSM-775, N-Morpholinyllysergamide, Lysergic acid morpholide
Routes of
administration		Oral
Legal status
Legal status
Pharmacokinetic data
Metabolismhepatic
Excretionrenal
Identifiers
  • (8β)-6-Methyl-8-(morpholin-4-ylcarbonyl)-9,10-didehydroergoline
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC20H23N3O2
Molar mass337.423 g·mol−1
3D model (JSmol)
  • O=C(N1CCOCC1)[C@@H]5C=C4c2cccc3c2c(c[nH]3)C[C@H]4N(C)C5
  • InChI=1S/C20H23N3O2/c1-22-12-14(20(24)23-5-7-25-8-6-23)9-16-15-3-2-4-17-19(15)13(11-21-17)10-18(16)22/h2-4,9,11,14,18,21H,5-8,10,12H2,1H3/t14-,18-/m1/s1 checkY
  • Key:OTQWCDNEJVKXKG-RDTXWAMCSA-N checkY
  (verify)

N-Morpholinyllysergamide (developmental code name LSM-775), also known as lysergic acid morpholide, is a derivative of ergine (lysergamide).[2] It is less potent than lysergic acid diethylamide (LSD) but is reported to have some LSD-like effects at doses ranging from 75 to 700 micrograms and a shorter duration.[3] LSM-775 may only produce weak or threshold psychedelic effects in humans.[4]

The drug is a potent full agonist of the serotonin 5-HT1A receptor and a potent partial agonist of the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors.[4] It does not produce the head-twitch response, a behavioral proxy of psychedelic effects, in rodents.[4] However, LSM-775 can robustly increase head twitches if it is coadministered with the serotonin 5-HT1A receptor antagonist WAY-100635.[4] These findings indicate that serotonin 5-HT1A receptor activation suppresses the psychedelic-like effects of LSM-775.[4]

There are claimed to be fewer signs of cardiovascular stimulation and peripheral toxicity with LSM-775 compared to LSD.[3][dubious – discuss]

See also

References

  1. ^ "Arrêté du 20 mai 2021 modifiant l'arrêté du 22 février 1990 fixant la liste des substances classées comme stupéfiants" [Order of May 20, 2021 amending the order of February 22, 1990 setting the list of substances classified as narcotics]. www.legifrance.gouv.fr (in French). 20 May 2021.
  2. ^ Gogerty JH, Dille JM (July 1957). "Pharmacology of d-lysergic acid morpholide (LSM)". The Journal of Pharmacology and Experimental Therapeutics. 120 (3): 340–348. PMID 13476356.
  3. ^ a b Shulgin A, Shulgin A. "TiHKAL #26, LSD-25". Erowid.
  4. ^ a b c d e Brandt SD, Kavanagh PV, Twamley B, Westphal F, Elliott SP, Wallach J, Stratford A, Klein LM, McCorvy JD, Nichols DE, Halberstadt AL (February 2018). "Return of the lysergamides. Part IV: Analytical and pharmacological characterization of lysergic acid morpholide (LSM-775)". Drug Test Anal. 10 (2): 310–322. doi:10.1002/dta.2222. PMC 6230476. PMID 28585392.


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