Lysergic acid 3-pentyl amide

Lysergic acid 3-pentyl amide
Clinical data
Other names	Lysergic acid 3-pentyl amide
Identifiers
	IUPAC name (8β)- 6-methyl- N- (3-pentyl)- 9,10- didehydroergoline- 8-carboxamide;
PubChem CID	10019984;
ChemSpider	8195557;
Chemical and physical data
Formula	C21H27N3O
Molar mass	337.459 g/mol g·mol−1
3D model (JSmol)	Interactive image;
	SMILES [H][C@@]12C(C3=C4C(NC=C4C2)=CC=C3)=C[C@@H](C(NC(CC)CC)=O)CN1C;
	InChI 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-pentyl amide (3-Pentyllysergamide, LSP) is an analogue of LSD originally researched by David E. Nichols and colleagues at Purdue University. It has similar binding affinity to LSD itself as both a 5-HT_1A and 5-HT_2A 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-HT_2A binding affinity to LSD in 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]

References

^ David E. Nichols. LSD and Its Lysergamide Cousins. The Heffter Review of Psychedelic Research. 2001;2:80-87.
^ Monte AP, Marona-Lewicka D, Kanthasamy A, Sanders-Bush E, Nichols DE. Stereoselective LSD-like activity in a series of d-lysergic acid amides of (R)- and (S)-2-aminoalkanes. Journal of Medicinal Chemistry. 1995 Mar 17;38(6):958-66. doi:10.1021/jm00006a015 PMID 7699712

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[1] David E. Nichols. LSD and Its Lysergamide Cousins. The Heffter Review of Psychedelic Research. 2001;2:80-87.

[2] Monte AP, Marona-Lewicka D, Kanthasamy A, Sanders-Bush E, Nichols DE. Stereoselective LSD-like activity in a series of d-lysergic acid amides of (R)- and (S)-2-aminoalkanes. Journal of Medicinal Chemistry. 1995 Mar 17;38(6):958-66. doi:10.1021/jm00006a015 PMID 7699712

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v t e Ergolines
Lysergic acid derivatives	2-Bromo-LSD (BOL-148) Amesergide Bromocriptine Cabergoline Dihydroergocornine Dihydroergocristine Dihydroergocryptine Dihydroergometrine (Dihydroergonovine, Dihydroergobasine) Dihydroergosine Dihydroergotamine Epicriptine Ergine (LSA; LA-111; Lysergamide) Ergocornine Ergocristine Ergocryptine Ergoloid (Dihydroergotoxine) Ergometrine (Ergonovine, Ergobasine) Ergometrinine Ergostine Ergotamine Ergotoxine Ergovaline Lisuride LY-215,840 LSH Lysergic acid Lysergic acid methyl ester Lysergol Mesulergine Metergoline MIPLA Methysergide Sergolexole
Psychedelic lysergamides	1B-LSD 1cP-LSD 1P-ETH-LAD 1P-LSD AL-LAD ALD-52 BU-LAD CYP-LAD Diallyllysergamide (DAL) Dimethyllysergamide (DAM-57) ECPLA Ergonovine ETFELA ETH-LAD IP-LAD LAMPA LAE-32 LSD LPD-824 LSM-775 LSH LSD-Pip Lysergic Acid 2-Butylamide Lysergic Acid 2,4-Dimethylazetidide Lysergic Acid 3-Pentylamide Lysergic acid cyclobutylamide Lysergic acid cyclopentylamide Methylergometrine (Methylergonovine, Methylergobasine) MIPLA MLD-41 PARGY-LAD PRO-LAD
Clavines	9-Deacetoxyfumigaclavine C Agroclavine Chanoclavine Chanoclavine II Costaclavin Cycloclavine Elymoclavine Epoxyagroclavine Festuclavine Fumigaclavine A Fumigaclavine B Fumigaclavine C Paliclavine Penniclavine Setoclavine
Other ergolines	Acetergamine CY-208,243 Ergoline Lergotrile Nicergoline Pergolide
Natural sources	Achnatherum robustum (Sleepy Grass) Claviceps spp. (Ergot) Morning glory: Argyreia nervosa (Hawaiian Baby Woodrose), Ipomoea spp.(Morning Glory, Tlitliltzin, Badoh Negro), Rivea corymbosa (Coaxihuitl, Ololiúqui)

See also

References