SN-22

SN-22 is a piperidinylindole which acts as a moderately selective agonist at the 5-HT₂ family of serotonin receptors, with a K_i of 19 nM at 5-HT₂ subtypes versus 514 nM at 5-HT_1A receptors.^[1]^[2] Many related derivatives are known, most of which are ligands for 5-HT_1A, 5-HT₆ or dopamine D₂ receptors or show SSRI activity.^[3]^[4]^[5]^[6]^[7]

Quick facts Clinical data, Drug class ...

SN-22
Clinical data


Drug class	Serotonin receptor agonist
Identifiers
IUPAC name 3-(1-methylpiperidin-4-yl)-1H-indole
CAS Number	17403-07-5^Y[pubchem]
PubChem CID	11206672
ChemSpider	9381734^Y
UNII	7NSM99C49F
ChEMBL	ChEMBL341485
CompTox Dashboard (EPA)	DTXSID90169751
Chemical and physical data
Formula	C₁₄H₁₈N₂
Molar mass	214.312 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CN1CCC(CC1)c1c[nH]c2c1cccc2
InChI InChI=1S/C14H18N2/c1-16-8-6-11(7-9-16)13-10-15-14-5-3-2-4-12(13)14/h2-5,10-11,15H,6-9H2,1H3 Key:KYSCKYJNMTUJPA-UHFFFAOYSA-N

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References

[1]
Taylor EW, Nikam SS, Lambert G, Martin AR, Nelson DL (July 1988). "Molecular determinants for recognition of RU 24969 analogs at central 5-hydroxytryptamine recognition sites: use of a bilinear function and substituent volumes to describe steric fit". Molecular Pharmacology. 34 (1): 42–53. doi:10.1016/S0026-895X(25)08646-8. PMID 3393140.
[2]
Sabnis RW (2025). "Novel Serotonergic Psychedelic Agents as 5‑HT2A Agonists for Treating Psychosis, Mental Illness, and CNS Disorders". ACS Med Chem Lett. 16 (9): 1729–1730. doi:10.1021/acsmedchemlett.5c00484. PMC 12434528. PMID 40959237.
[3]
Agarwal A, Pearson PP, Taylor EW, Li HB, Dahlgren T, Herslöf M, et al. (December 1993). "Three-dimensional quantitative structure-activity relationships of 5-HT receptor binding data for tetrahydropyridinylindole derivatives: a comparison of the Hansch and CoMFA methods". Journal of Medicinal Chemistry. 36 (25): 4006–14. doi:10.1021/jm00077a003. PMID 8258822.
[4]
Cole DC, Ellingboe JW, Lennox WJ, Mazandarani H, Smith DL, Stock JR, et al. (January 2005). "N1-arylsulfonyl-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole derivatives are potent and selective 5-HT6 receptor antagonists". Bioorganic & Medicinal Chemistry Letters. 15 (2): 379–83. doi:10.1016/j.bmcl.2004.10.064. PMID 15603958.
[5]
Deskus JA, Epperson JR, Sloan CP, Cipollina JA, Dextraze P, Qian-Cutrone J, et al. (June 2007). "Conformationally restricted homotryptamines 3. Indole tetrahydropyridines and cyclohexenylamines as selective serotonin reuptake inhibitors". Bioorganic & Medicinal Chemistry Letters. 17 (11): 3099–104. doi:10.1016/j.bmcl.2007.03.040. PMID 17391962.
[6]
Mattsson C, Andreasson T, Waters N, Sonesson C (November 2012). "Systematic in vivo screening of a series of 1-propyl-4-arylpiperidines against dopaminergic and serotonergic properties in rat brain: a scaffold-jumping approach". Journal of Medicinal Chemistry. 55 (22): 9735–50. doi:10.1021/jm300975f. PMID 23043306.
[7]
US 6046215, "Inhibition of serotonin reuptake"

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