βk-2C-B

Βk-2C-B
Clinical data
Routes of; administration	Oral
Legal status
Legal status	CA: Schedule III ; DE: NpSG (Industrial and scientific use only) ; UK: Under Psychoactive Substances Act ; Illegal in Sweden and Switzerland;
Identifiers
	IUPAC name 2-Amino-1-(4-bromo-2,5-dimethoxyphenyl)ethan-1-one;
CAS Number	807631-09-0;
PubChem CID	11288812;
ChemSpider	9463799;
UNII	W6KJ195I24;
Chemical and physical data
Formula	C10H12BrNO3
Molar mass	274.111 g/mol (freebase); 310.572 g/mol (HCl salt) g·mol−1
3D model (JSmol)	Interactive image;
	SMILES COC1=CC(C(=O)CN)=C(OC)C=C1Br;
	InChI InChI=InChI=1S/C10H12BrNO3/c1-14-9-4-7(11)10(15-2)3-6(9)8(13)5-12/h3-4H,5,12H2,1-2H3; Key:HFYJGAIOBIDRPX-UHFFFAOYSA-N;

βk-2C-B (beta-keto 2C-B, bk-2C-B) is a psychedelic drug which is structurally related to 2C-B and BOB[1] and has been sold online as a designer drug.[2] It was found to be a polymorph and is prone to selfcondensation forming a dimer under basic to neutral conditions, similar to the reaction involved in pyrazine synthesis.[3]

Analogues and derivatives

Analogues and derivatives of 2C-B:

25-N:

25B-N1POMe
25B-NAcPip

25-NB:

25B-NB
25B-NB23DM
25B-NB25DM
25B-NB3OMe
25B-NB4OMe
25B-NBF
25B-NBMD
25B-NBOH
25B-NBOMe (NBOMe-2CB)

25-NM:

25B-NMe7BF
25B-NMe7BT
25B-NMe7Box
25B-NMe7DHBF
25B-NMe7Ind
25B-NMe7Indz
25B-NMePyr

Substituted benzofurans:

2C-B-FLY
2CBFly-NBOMe (NBOMe-2CB-Fly)

Other:

2C-B-AN
2C-B-BUTTERFLY
2C-B-DRAGONFLY-NBOH
2C-B-DragonFLY
2C-B-FLY-NB2EtO5Cl
2CB-5-hemifly
2CB-Ind
βk-2C-B (beta-keto 2C-B)
TCB-2 (2C-BCB)

Legal status

Canada

As of 12 October 2016, βk-2C-B became a controlled substance (Schedule III) in Canada.[4]

Europe

βk-2C-B is illegal in Switzerland,[5] Sweden[6] and the United Kingdom[7]

References

Glennon RA, Bondarev ML, Khorana N, Young R, May JA, Hellberg MR, et al. (November 2004). "Beta-oxygenated analogues of the 5-HT2A serotonin receptor agonist 1-(4-bromo-2,5-dimethoxyphenyl)-2-aminopropane". Journal of Medicinal Chemistry. 47 (24): 6034–41. doi:10.1021/jm040082s. PMID 15537358.
Frison G, Odoardi S, Frasson S, Sciarrone R, Ortar G, Romolo FS, Strano Rossi S (July 2015). "Characterization of the designer drug bk-2C-B (2-amino-1-(bromo-dimethoxyphenyl)ethan-1-one) by gas chromatography/mass spectrometry without and with derivatization with 2,2,2-trichloroethyl chloroformate, liquid chromatography/high-resolution mass spectrometry, and nuclear magnetic resonance". Rapid Communications in Mass Spectrometry. 29 (13): 1196–204. doi:10.1002/rcm.7211. PMID 26395784.
Power JD, Kavanagh P, O'Brien J, Barry M, Twamley B, Talbot B, et al. (June 2015). "Test purchase, identification and synthesis of 2-amino-1-(4-bromo-2, 5-dimethoxyphenyl)ethan-1-one (bk-2C-B)". Drug Testing and Analysis. 7 (6): 512–8. doi:10.1002/dta.1699. PMID 25078895.
"Regulations Amending the Food and Drug Regulations (Part J — 2C-phenethylamines)". Controlled Substances Act. 2016-05-04.
"Verordnung des EDI über die Verzeichnisse der Betäubungsmittel, psychotropen Stoffe, Vorläuferstoffe und Hilfschemikalien" (in German). Der Bundesrat.
"Nya substanser klassas som narkotika eller hälsofarlig vara" (in Swedish). Folkhälsomyndigheten. 18 August 2015.
"Psychoactive Substances Act 2016". Home Office. Retrieved 8 September 2016.

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[1] Glennon RA, Bondarev ML, Khorana N, Young R, May JA, Hellberg MR, et al. (November 2004). "Beta-oxygenated analogues of the 5-HT2A serotonin receptor agonist 1-(4-bromo-2,5-dimethoxyphenyl)-2-aminopropane". Journal of Medicinal Chemistry. 47 (24): 6034–41. doi:10.1021/jm040082s. PMID 15537358.

[2] Frison G, Odoardi S, Frasson S, Sciarrone R, Ortar G, Romolo FS, Strano Rossi S (July 2015). "Characterization of the designer drug bk-2C-B (2-amino-1-(bromo-dimethoxyphenyl)ethan-1-one) by gas chromatography/mass spectrometry without and with derivatization with 2,2,2-trichloroethyl chloroformate, liquid chromatography/high-resolution mass spectrometry, and nuclear magnetic resonance". Rapid Communications in Mass Spectrometry. 29 (13): 1196–204. doi:10.1002/rcm.7211. PMID 26395784.

[3] Power JD, Kavanagh P, O'Brien J, Barry M, Twamley B, Talbot B, et al. (June 2015). "Test purchase, identification and synthesis of 2-amino-1-(4-bromo-2, 5-dimethoxyphenyl)ethan-1-one (bk-2C-B)". Drug Testing and Analysis. 7 (6): 512–8. doi:10.1002/dta.1699. PMID 25078895.

[4] "Regulations Amending the Food and Drug Regulations (Part J — 2C-phenethylamines)". Controlled Substances Act. 2016-05-04.

[5] "Verordnung des EDI über die Verzeichnisse der Betäubungsmittel, psychotropen Stoffe, Vorläuferstoffe und Hilfschemikalien" (in German). Der Bundesrat.

[6] "Nya substanser klassas som narkotika eller hälsofarlig vara" (in Swedish). Folkhälsomyndigheten. 18 August 2015.

[7] "Psychoactive Substances Act 2016". Home Office. Retrieved 8 September 2016.

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 Venlafaxine Stimulants: Phenylethanolamine Hordenine Phenethylamine α-Methylphenethylamine (amphetamine) β-Methylphenethylamine m-Methylphenethylamine N-Methylphenethylamine o-Methylphenethylamine p-Methylphenethylamine Methylphenidate Entactogens: Lophophine MDPEA MDMPEA Others: BOH DMPEA
Amphetamines	Psychedelics: 3C-BZ 3C-E 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 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 Phenpromethamine 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