Amfepramone

Amfepramone
Clinical data
Trade names	Tenuate, Tepanil
Other names	Diethylpropion
AHFS/Drugs.com	Monograph
MedlinePlus	a682037
Routes of; administration	Oral
ATC code	A08AA03 (WHO) ;
Legal status
Legal status	AU: S4 (Prescription only); CA: Schedule IV; DE: Prescription only (Anlage III for higher doses); UK: Class C; US: Schedule IV;
Pharmacokinetic data
Elimination half-life	4-6 hours (metabolites)
Excretion	Urine (>75%)
Identifiers
	IUPAC name (RS)-2-diethylamino-1-phenylpropan-1-one;
CAS Number	134-80-5 ;
PubChem CID	7029;
IUPHAR/BPS	7161;
DrugBank	DB00937 ;
ChemSpider	6762 ;
UNII	19V2PL39NG;
KEGG	D07444 ;
ChEBI	CHEBI:4530 ;
ChEMBL	ChEMBL1194666 ;
CompTox Dashboard (EPA)	DTXSID6022929 ;
ECHA InfoCard	100.001.836
Chemical and physical data
Formula	C13H19NO
Molar mass	205.301 g·mol−1
3D model (JSmol)	Interactive image;
Chirality	Racemic mixture
	SMILES O=C(c1ccccc1)C(N(CC)CC)C;
	InChI InChI=1S/C13H19NO/c1-4-14(5-2)11(3)13(15)12-9-7-6-8-10-12/h6-11H,4-5H2,1-3H3 ; Key:XXEPPPIWZFICOJ-UHFFFAOYSA-N ;
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Amfepramone, also known as diethylpropion, is a stimulant drug of the phenethylamine, amphetamine, and cathinone classes that is used as an appetite suppressant.^[2]^[3] It is used in the short-term management of obesity, along with dietary and lifestyle changes.^[2] Amfepramone is most closely chemically related to the antidepressant and smoking cessation aid bupropion (previously called amfebutamone), which has also been developed as a weight-loss medicine when in a combination product with naltrexone.^[4]

Abuse

Amfepramone is believed to have relatively low abuse potential.^[5]^[6]^[7]^[8] but recently there have been reports of teens and adults in the UK abusing this drug, known as "tombstones" to the abusers.

Pharmacology

Amfepramone itself lacks any affinity for the monoamine transporters and instead functions as a prodrug to ethcathinone.^[9] Ethcathinone (and therefore amfepramone as well) is a very weak dopaminergic and serotonergic, and is approximately 10x and 20x stronger on norepinephrine in comparison, respectively.^[9] As a result, ethcathinone and amfepramone can essentially be considered a member of the class of drugs known as norepinephrine releasing agents (NRAs).

Chemistry

Amfepramone can be synthesized from propiophenone by bromination, followed by reaction with diethylamine.^[10]^[11]

Society and culture

Names

Another medically-utilized name is diethylpropion (BAN and AAN). Chemical names include: α-methyl-β-keto-N,N-diethylphenethylamine, N,N-diethyl-β-ketoamphetamine and N,N-diethylcathinone. Brand names include: Anorex, Linea, Nobesine, Prefamone, Regenon, Tepanil and Tenuate.

Legality

Amfepramone is classified as a Schedule IV controlled substance in the United States. It is also a Schedule IV controlled substance in Canada. In the UK Amfepramone is a class C drug ^[12] and as a medicine, it is a Schedule 3 Controlled Drug which requires safe custody.

References

^ ^a ^b "SPC-DOC_PL 16133-0001" (PDF). Medicines Healthcare products Regulatory Agency. Essential Nutrition Ltd. 18 November 2011. Retrieved 18 July 2014.^{[permanent dead link]}
^ ^a ^b Brayfield A, ed. (30 January 2013). "Diethylpropion Hydrochloride". Martindale: The Complete Drug Reference. London, UK: Pharmaceutical Press. Retrieved 18 July 2014.
^ "TGA Approved Terminology for Medicines, Section 1 – Chemical Substances" (Document). Therapeutic Goods Administration, Department of Health and Ageing, Australian Government. July 1999. p. 42. {{cite document}}: Unknown parameter |format= ignored (help); Unknown parameter |url= ignored (help)
^ Arias HR, Santamaría A, Ali SF (2009). "Pharmacological and neurotoxicological actions mediated by bupropion and diethylpropion". International Review of Neurobiology. International Review of Neurobiology. 88: 223–55. doi:10.1016/S0074-7742(09)88009-4. ISBN 9780123745040. PMID 19897080.
^ Cohen S (1977). "Diethylpropion (tenuate): an infrequently abused anorectic". Psychosomatics. 18 (1): 28–33. doi:10.1016/S0033-3182(77)71101-6. PMID 850721.
^ Jasinski DR, Krishnan S (June 2009). "Abuse liability and safety of oral lisdexamfetamine dimesylate in individuals with a history of stimulant abuse". Journal of Psychopharmacology. 23 (4): 419–27. doi:10.1177/0269881109103113. PMID 19329547.
^ "Tepanil (diethylpropion hydrochloride) tablet, extended release". Dailymed. National Institutes of Health.
^ Caplan J (May 1963). "Habituation to diethylpropion (Tenuate)". Canadian Medical Association Journal. 88: 943–4. PMC 1921278. PMID 14018413.
^ ^a ^b Rothman RB, Baumann MH (2006). "Therapeutic potential of monoamine transporter substrates". Current Topics in Medicinal Chemistry. 6 (17): 1845–59. doi:10.2174/156802606778249766. PMID 17017961.
^ US patent 3001910, Schutte J, "Anorexigenic Propiophenones", issued 1961-09-26, assigned to Temmler-Werke
^ Hyde JF, Browning E, Adams R (1928). "Synthetic Homologs of d,l-Ephedrine". Journal of the American Chemical Society. 50 (8): 2287–2292. doi:10.1021/ja01395a032.
^ "Class C Drugs". Schedule 2 Controlled Drugs. UK Legislation.

[MHRA-1] "SPC-DOC_PL 16133-0001" (PDF). Medicines Healthcare products Regulatory Agency. Essential Nutrition Ltd. 18 November 2011. Retrieved 18 July 2014.^{[permanent dead link]}

[MD-2] Brayfield A, ed. (30 January 2013). "Diethylpropion Hydrochloride". Martindale: The Complete Drug Reference. London, UK: Pharmaceutical Press. Retrieved 18 July 2014.

[3] "TGA Approved Terminology for Medicines, Section 1 – Chemical Substances" (Document). Therapeutic Goods Administration, Department of Health and Ageing, Australian Government. July 1999. p. 42. {{cite document}}: Unknown parameter |format= ignored (help); Unknown parameter |url= ignored (help)

[4] Arias HR, Santamaría A, Ali SF (2009). "Pharmacological and neurotoxicological actions mediated by bupropion and diethylpropion". International Review of Neurobiology. International Review of Neurobiology. 88: 223–55. doi:10.1016/S0074-7742(09)88009-4. ISBN 9780123745040. PMID 19897080.

[5] Cohen S (1977). "Diethylpropion (tenuate): an infrequently abused anorectic". Psychosomatics. 18 (1): 28–33. doi:10.1016/S0033-3182(77)71101-6. PMID 850721.

[6] Jasinski DR, Krishnan S (June 2009). "Abuse liability and safety of oral lisdexamfetamine dimesylate in individuals with a history of stimulant abuse". Journal of Psychopharmacology. 23 (4): 419–27. doi:10.1177/0269881109103113. PMID 19329547.

[7] "Tepanil (diethylpropion hydrochloride) tablet, extended release". Dailymed. National Institutes of Health.

[8] Caplan J (May 1963). "Habituation to diethylpropion (Tenuate)". Canadian Medical Association Journal. 88: 943–4. PMC 1921278. PMID 14018413.

[pmid17017961-9] Rothman RB, Baumann MH (2006). "Therapeutic potential of monoamine transporter substrates". Current Topics in Medicinal Chemistry. 6 (17): 1845–59. doi:10.2174/156802606778249766. PMID 17017961.

[10] US patent 3001910, Schutte J, "Anorexigenic Propiophenones", issued 1961-09-26, assigned to Temmler-Werke

[11] Hyde JF, Browning E, Adams R (1928). "Synthetic Homologs of d,l-Ephedrine". Journal of the American Chemical Society. 50 (8): 2287–2292. doi:10.1021/ja01395a032.

[12] "Class C Drugs". Schedule 2 Controlled Drugs. UK Legislation.

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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