Ethylisopropyllysergamide

Ethylisopropyllysergamide
Legal status
Legal status	DE: NpSG (Industrial and scientific use only); UK: Under Psychoactive Substances Act;
Identifiers
	IUPAC name (6aR,9R)-N-ethyl-7-methyl-N-propan-2-yl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;
CAS Number	92851-69-3;
PubChem CID	101661197;
Chemical and physical data
Formula	C21H27N3O
Molar mass	337.467 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCN(C(C)C)C(=O)[C@H]1CN([C@@H]2CC3=CNC4=CC=CC(=C34)C2=C1)C;
	InChI InChI=1S/C21H27N3O/c1-5-24(13(2)3)21(25)15-9-17-16-7-6-8-18-20(16)14(11-22-18)10-19(17)23(4)12-15/h6-9,11,13,15,19,22H,5,10,12H2,1-4H3/t15-,19-/m1/s1; Key:JLPRDEGOBAGMHN-DNVCBOLYSA-N;

Ethylisopropyllysergamide (EIPLA) is an analog of lysergic acid diethylamide (LSD). In studies in mice, it was found to have approximately half the potency of LSD.^[1]^[2]^[3]

References

^ Huang X, Marona-Lewicka D, Pfaff RC, Nichols DE (March 1994). "Drug discrimination and receptor binding studies of N-isopropyl lysergamide derivatives". Pharmacology, Biochemistry, and Behavior. 47 (3): 667–673. doi:10.1016/0091-3057(94)90172-4. PMID 8208787.
^ Nichols DE (October 2018). "Dark Classics in Chemical Neuroscience: Lysergic Acid Diethylamide (LSD)". ACS Chemical Neuroscience. 9 (10): 2331–2343. doi:10.1021/acschemneuro.8b00043. PMID 29461039.
^ Brandt SD, Kavanagh PV, Westphal F, Pulver B, Schwelm HM, Stratford A, et al. (February 2024). "Analytical and behavioral characterization of N-ethyl-N-isopropyllysergamide (EIPLA), an isomer of N6 -ethylnorlysergic acid N,N-diethylamide (ETH-LAD)". Drug Testing and Analysis. 16 (2): 187–198. doi:10.1002/dta.3530. PMID 37321559.

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[1] Huang X, Marona-Lewicka D, Pfaff RC, Nichols DE (March 1994). "Drug discrimination and receptor binding studies of N-isopropyl lysergamide derivatives". Pharmacology, Biochemistry, and Behavior. 47 (3): 667–673. doi:10.1016/0091-3057(94)90172-4. PMID 8208787.

[2] Nichols DE (October 2018). "Dark Classics in Chemical Neuroscience: Lysergic Acid Diethylamide (LSD)". ACS Chemical Neuroscience. 9 (10): 2331–2343. doi:10.1021/acschemneuro.8b00043. PMID 29461039.

[pmid37321559-3] Brandt SD, Kavanagh PV, Westphal F, Pulver B, Schwelm HM, Stratford A, et al. (February 2024). "Analytical and behavioral characterization of N-ethyl-N-isopropyllysergamide (EIPLA), an isomer of N6 -ethylnorlysergic acid N,N-diethylamide (ETH-LAD)". Drug Testing and Analysis. 16 (2): 187–198. doi:10.1002/dta.3530. PMID 37321559.

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v t e Ergolines
Lysergic acid derivatives	2-Bromo-LSD (BOL-148) Amesergide Bromerguride (2-bromolisuride) 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 Fludihydroergotamine Lisuride LY-215,840 LSH Lysergic acid Lysergic acid methyl ester Lysergine Lysergol Mergocriptine Mesulergine Metergoline Metergotamine MIPLA Methysergide Propisergide 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 (lysergide) 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 Brazergoline Cianergoline CY-208,243 Delergotrile Disulergine Dosergoside Ergoline Etisulergine Lergotrile Nicergoline Pergolide Proterguride Romergoline Terguride Tiomergine Voxergolide
Related compounds	Adrogolide Naxagolide Quinagolide
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