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Lysergic acid 3-pentylamide

From Wikipedia, the free encyclopedia
(Redirected fromLysergic acid 3-pentyl amide)
Chemical compound
Pharmaceutical compound
LSP
Clinical data
Other namesLSP; Lysergic acid 3-pentylamide;N-(3-Pentyl)lysergamide; (8β)-6-Methyl-N-(3-pentyl)-9,10-didehydroergoline-8-carboxamide
Drug classSerotonin receptor modulator;5-HT2A receptor agonist
Legal status
Legal status
Identifiers
  • (6aR,9R)-7-methyl-N-pentan-3-yl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide
CAS Number
PubChemCID
ChemSpider
ChEMBL
CompTox Dashboard(EPA)
Chemical and physical data
FormulaC21H27N3O
Molar mass337.467 g·mol−1
3D model (JSmol)
  • [H][C@@]12C(C3=C4C(NC=C4C2)=CC=C3)=C[C@@H](C(NC(CC)CC)=O)CN1C
  • InChI=1S/C21H27N3O/c1-4-15(5-2)23-21(25)14-9-17-16-7-6-8-18-20(16)13(11-22-18)10-19(17)24(3)12-14/h6-9,11,14-15,19,22H,4-5,10,12H2,1-3H3,(H,23,25)/t14-,19-/m1/s1
  • Key:ZQONRMXCBQXYCK-AUUYWEPGSA-N
  (verify)

Lysergic acid 3-pentylamide (LSP), also known asN-(3-pentyl)lysergamide, is an analogue ofLSD originally researched byDavid E. Nichols and colleagues atPurdue University. It has similarbinding affinity to LSD itself as both a5-HT1A and5-HT2A agonist, and produces similar behavioral and physiological responses in animals with only slightly lower potency than LSD. Other isomers of this compound have also been explored, with the 1-pentylamide being around 75% the potency of LSD,[1] while the (R)-2-pentylamide shows similar 5-HT2A binding affinity to LSDin vitro but has only around half the potency of LSD in producing drug-appropriate responding in mice, and the (S)-2-pentylamide is inactive.[2]

See also

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References

[edit]
  1. ^Nichols DE (2001). "LSD and Its Lysergamide Cousins".The Heffter Review of Psychedelic Research.2:80–87.
  2. ^Monte AP, Marona-Lewicka D, Kanthasamy A, Sanders-Bush E, Nichols DE (March 1995). "Stereoselective LSD-like activity in a series of d-lysergic acid amides of (R)- and (S)-2-aminoalkanes".Journal of Medicinal Chemistry.38 (6):958–66.doi:10.1021/jm00006a015.PMID 7699712.

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