5-APBT

5-APBT
Clinical data
Other names	5-(2-Aminopropyl)-1-benzothiophene; 5-APBT; 5-APBTP
Drug class	Serotonin–norepinephrine–dopamine releasing agent; Serotonin 5-HT2 receptor agonist; Entactogen; Serotonergic psychedelic
Identifiers
	IUPAC name 1-(1-benzothiophen-5-yl)propan-2-amine;
CAS Number	1368128-53-3 ;
PubChem CID	82374371 ;
ChemSpider	26792704 ;
Chemical and physical data
Formula	C11H13NS
Molar mass	191.29 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES CC(CC1=CC2=C(C=C1)SC=C2)N;
	InChI InChI=1S/C11H13NS/c1-8(12)6-9-2-3-11-10(7-9)4-5-13-11/h2-5,7-8H,6,12H2,1H3; Key:JBRWOJGXNBGRCE-UHFFFAOYSA-N;

Last updated February 06, 2025

5-(2-Aminopropyl)-1-benzothiophene (5-APBT) is a monoamine releasing agent and serotonin receptor agonist of the amphetamine and benzothiophene families.^[1]^[2] It is related to MDA and other MDA bioisosteres like the benzofurans.^[1]^[2]

The drug acts as a potent serotonin–norepinephrine–dopamine releasing agent (SNDRA) and full agonist of the serotonin 5-HT₂ receptors.^[2] It has approximately 4- and 9-fold preference for induction of serotonin release over norepinephrine and dopamine release, respectively, in rat brain synaptosomes.^[2] 5-APBT does not increase locomotor activity in rodents and hence does not appear to have stimulant-like effects.^[2] However, it does produce the head-twitch response, a behavioral proxy of psychedelic effects, and hence may have hallucinogenic effects.^[2]

5-APBT was first described in the scientific literature by 2020.^[1]^[2]

References

1 2 3 Brandt SD, Carlino L, Kavanagh PV, Westphal F, Dreiseitel W, Dowling G, et al. (August 2020). "Syntheses and analytical characterizations of novel (2-aminopropyl)benzo[b]thiophene (APBT) based stimulants". Drug Testing and Analysis. 12 (8): 1109–1125. doi:10.1002/dta.2813. PMC 8281332 . PMID 32372465.
1 2 3 4 5 6 7 Rudin D, McCorvy JD, Glatfelter GC, Luethi D, Szöllősi D, Ljubišić T, et al. (March 2022). "(2-Aminopropyl)benzo[β]thiophenes (APBTs) are novel monoamine transporter ligands that lack stimulant effects but display psychedelic-like activity in mice". Neuropsychopharmacology. 47 (4): 914–923. doi:10.1038/s41386-021-01221-0. PMC 8882185 . PMID 34750565.

External links

5-APBT - isomer design

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[BrandtCarlinoKavanagh2020-1] 1 2 3 Brandt SD, Carlino L, Kavanagh PV, Westphal F, Dreiseitel W, Dowling G, et al. (August 2020). "Syntheses and analytical characterizations of novel (2-aminopropyl)benzo[b]thiophene (APBT) based stimulants". Drug Testing and Analysis. 12 (8): 1109–1125. doi:10.1002/dta.2813. PMC 8281332 . PMID 32372465.

[RudinMcCorvyGlatfelter2022-2] 1 2 3 4 5 6 7 Rudin D, McCorvy JD, Glatfelter GC, Luethi D, Szöllősi D, Ljubišić T, et al. (March 2022). "(2-Aminopropyl)benzo[β]thiophenes (APBTs) are novel monoamine transporter ligands that lack stimulant effects but display psychedelic-like activity in mice". Neuropsychopharmacology. 47 (4): 914–923. doi:10.1038/s41386-021-01221-0. PMC 8882185 . PMID 34750565.

[1]

[2]

v t e Empathogens/entactogens
Phenylalkyl- amines (other than cathinones)	Unfused benzene ring: 3-CMA 4-CAB 4-FA 4-MA 4-MMA 4-FMA 4-MTA 4,4'-DMAR Ariadne Metaescaline MMA PMA PMEA PMMA mMMA Benzodioxine: EDMA Benzodioxoles: Phenethylamine: { Lophophine } Amphetamines: { 2-Methyl-MDA 2,3-MDA 3,4-MDA (tenamfetamine) 5-Methyl-MDA 6-Methyl-MDA DFMDA DMMDA DMMDA-2 EIDA Lys-MDA MDEA MDMA (midomafetamine) (R)-MDMA MDMOH MDOH MMDA MMDA-2 MMDMA N-t-BOC-MDMA } 1-Phenylbutan-2-amines: { BDB EBDB MBDB } Phentermines: { MDMP MDPH } Benzofurans, dihydrobenzofurans and benzothiophenes: 2-MAPB 5-APB 5-APDB 5-EAPB 5-MAPB 5-MAPDB 5-MAPBT 5-MBPB (5-MABB) 6-APB 6-APDB 6-EAPB 6-MAPB 6-MAPDB 6-MBPB (6-MABB) IBF5MAP Indanes: 5-APDI 5-MAPDI Indoles: 5-IT 6-API Naphthalenes: Methamnetamine Naphthylaminopropane Tetralin: 6-APT
Cyclized phenyl- alkylamines	Aminoindanes: 5-IAI AMMI BFAI ETAI MDAI MDMAI MMAI MEAI NM-2-AI TAI Aminotetralins: 6-CAT MDAT MDMAT
Cathinones	3-CMC 3-MMC 4-EMC BK-5-MAPB Brephedrone Butylone Dimethylone Ethylone Eutylone Flephedrone Mephedrone Methedrone Methylone TH-PVP
Tryptamines	4-Methyl-αET αET αMT
Chemical classes	Substituted amphetamine Sub. benzofuran Sub. cathinone Sub. MDPEA Sub. PEA Sub. tryptamine

v t e Phenethylamines
Phenethylamines	Psychedelics: 25B-NBOMe 25C-NBOMe 25D-NBOMe 25I-NBOMe 25N-NBOMe 2C-B 2C-B-AN 2C-Bn 2C-Bu 2C-C 2C-CN 2C-CP 2C-D 2C-E 2C-EF 2C-F 2C-G 2C-G-1 2C-G-2 2C-G-3 2C-G-4 2C-G-5 2C-G-6 2C-G-N 2C-H 2C-I 2C-iP 2C-N 2C-NH2 2C-O 2C-O-4 2C-P 2C-Ph 2C-SE 2C-T 2C-T-2 2C-T-3 2C-T-4 2C-T-5 2C-T-6 2C-T-7 2C-T-8 2C-T-9 2C-T-10 2C-T-11 2C-T-12 2C-T-13 2C-T-14 2C-T-15 2C-T-16 2C-T-17 2C-T-18 2C-T-19 2C-T-20 2C-T-21 2C-T-22 2C-T-22.5 2C-T-23 2C-T-24 2C-T-25 2C-T-27 2C-T-28 2C-T-30 2C-T-31 2C-T-32 2C-T-33 2C-TFE 2C-TFM 2C-YN 2C-V Allylescaline DESOXY Escaline Isoproscaline Jimscaline Macromerine MEPEA Mescaline Metaescaline Methallylescaline Proscaline Psi-2C-T-4 TCB-2 Stimulants: Phenylethanolamine Hordenine Phenethylamine Phenpromethamine α-Methylphenethylamine (amphetamine) β-Methylphenethylamine m-Methylphenethylamine N-Methylphenethylamine o-Methylphenethylamine p-Methylphenethylamine Methylphenidate Entactogens: Lophophine MDPEA MDMPEA Others: BOH DMPEA
Amphetamines	Psychedelics: 3C-AL 3C-BZ 3C-E 3C-MAL 3C-P Aleph Beatrice Bromo-DragonFLY D-Deprenyl DMA DMCPA DMMDA DOB DOC DOEF DOET DOI DOM DON DOPR DOTFM Ganesha MMDA MMDA-2 Psi-DOM TMA TeMA ZDCM-04 Stimulants: 2-FA 2-FMA 3-FA 3-FMA Acridorex Alfetamine Amfecloral Amfepentorex Amphetamine (Dextroamphetamine, Levoamphetamine) Amphetaminil Benfluorex Benzphetamine Cathine Clobenzorex Dimethylamphetamine Ephedrine Etilamfetamine Fencamfamin Fencamine Fenethylline Fenfluramine (Dexfenfluramine, Levofenfluramine) Fenproporex Flucetorex Fludorex Formetorex Furfenorex Gepefrine 4-Hydroxyamphetamine Iofetamine Isopropylamphetamine Lefetamine Lisdexamfetamine Mefenorex Metaraminol Methamphetamine (Dextromethamphetamine, Levomethamphetamine) Methoxyphenamine MMA Morforex Norfenfluramine L-Norpseudoephedrine N,alpha-Diethylphenylethylamine Oxifentorex Oxilofrine Ortetamine PBA PCA PFA PFMA PIA PMA PMEA PMMA Phenylpropanolamine Pholedrine Prenylamine Propylamphetamine Pseudoephedrine Sibutramine Tiflorex Tranylcypromine Xylopropamine Zylofuramine Entactogens: 4-FA 4-FMA 4-MA 4-MMA 4-MTA 5-APB 5-APDB 5-EAPB 5-IT 5-MAPB 5-MAPDB 6-APB 6-APDB 6-Chloro-MDMA 6-EAPB 6-IT 6-MAPB 6-MAPDB EDA IAP 2,3-MDA 3,4-MDA (tenamfetamine) MDEA MDHMA MDMA (midomafetamine) MDOH Methamnetamine MMDMA Naphthylaminopropane TAP Others: 3,4-DCA Amiflamine DiFMDA Selegiline (also D-Deprenyl)
Phentermines	Stimulants: Chlorphentermine Cloforex Clortermine Etolorex Mephentermine Pentorex Phentermine Entactogens: MDPH MDMPH Others: Cericlamine
Cathinones	Stimulants: 3-FMC 4-MC 4-BMC 4-CMC 4-EMC 4-FMC 4-MEC 4-MeMABP 4-MPD Amfepramone Benzedrone Brephedrone Buphedrone Bupropion Cathinone Dimethylcathinone Ethcathinone Eutylone Hydroxybupropion Methcathinone Methedrone NEB N-Ethylhexedrone N-Ethylpentedrone Pentedrone Pentylone Radafaxine Entactogens: 3,4-DMMC 3-MMC Butylone Ethylone Methylone Methylenedioxycathinone Mephedrone
Phenylisobutylamines	Entactogens: 4-CAB 4-MAB Ariadne BDB Butylone EBDB Eutylone MBDB Stimulants: Phenylisobutylamine
Phenylalkylpyrrolidines	Stimulants: α-PBP α-PHP α-PPP α-PVP MDPBP MDPPP MDPV 4-MePBP 4-MePHP 4-MePPP MOPPP MOPVP MPBP MPHP MPPP Naphyrone PEP Prolintane Pyrovalerone
Catecholamines (and close relatives)	6-FNE 6-OHDA a-Me-DA a-Me-TRA Adrenochrome Ciladopa D-DOPA (Dextrodopa) Dimetofrine Dopamine Epinephrine Epinine Etilefrine Ethylnorepinephrine Fenclonine Ibopamine Isoprenaline Isoetarine L-DOPA (Levodopa) L-DOPS (Droxidopa) L-Phenylalanine L-Tyrosine m-Tyramine Metanephrine Metaraminol Metaterol Metirosine Methyldopa N,N-Dimethyldopamine Nordefrin (Levonordefrin) Norepinephrine Norfenefrine (m-Octopamine) Normetanephrine Orciprenaline p-Octopamine p-Tyramine Phenylephrine Synephrine
Miscellaneous	AL-LAD Amidephrine Arbutamine Cafedrine Denopamine Desvenlafaxine Diphenidine Dizocilpine Dobutamine Dopexamine Ephenidine Etafedrine ETH-LAD Famprofazone Fluorolintane Hexapradol IP-LAD Lysergic acid amide Lysergic acid 2-butyl amide Lysergic acid 2,4-dimethylazetidide Lysergic acid diethylamide Methoxamine Methoxphenidine MT-45 PARGY-LAD Phenibut PRO-LAD Pronethalol Salbutamol (Levosalbutamol) Solriamfetol Theodrenaline Thiamphenicol UWA-101 Venlafaxine

5-APBT

Contents

See also

References

External links