25B-NBOH

25B-NBOH
Legal status
Legal status	BR: Class F2 (Prohibited psychotropics); DE: NpSG (Industrial and scientific use only); UK: Class A;
Identifiers
	IUPAC name 2-({[2-(4-bromo-2,5-dimethoxyphenyl)ethyl]amino}methyl)phenol;
CAS Number	1335331-46-8 ;
PubChem CID	125181394;
ChemSpider	58191433;
UNII	KHR1SJ9L0Y;
CompTox Dashboard (EPA)	DTXSID401017175 ;
Chemical and physical data
Formula	C17H20BrNO3
Molar mass	366.255 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES BrC2=CC(=C(CCNCC1=C(C=CC=C1)O)C=C2OC)OC;
	InChI InChI=1S/C17H20BrNO3/c1-21-16-10-14(18)17(22-2)9-12(16)7-8-19-11-13-5-3-4-6-15(13)20/h3-6,9-10,19-20H,7-8,11H2,1-2H3; Key:RSUNJYKZRKIBNB-UHFFFAOYSA-N;

25B-NBOH (2C-B-NBOH, NBOH-2C-B) is a derivative of the phenethylamine derived hallucinogen 2C-B which has been sold as a designer drug. It acts as a potent serotonin receptor agonist with similar affinity to the better-known compound 25B-NBOMe at 5-HT_2A and 5-HT_2C receptors with pK_is^{[clarification needed]} values of 8.3 and 9.4, respectively.^[2]^[3]^[4]^[5]^[6]^[7]

Legal status

Sweden

The Riksdag added 25B-NBOH to Narcotic Drugs Punishments Act under Swedish Schedule I ("substances, plant materials and fungi which normally do not have medical use") as of January 26, 2016, published by Medical Products Agency (MPA) in regulation HSLF-FS 2015:35 listed as 25B-NBOH, and 2-([2-(4-bromo-2,5-dimetoxifenyl)etylamino]metyl)fenol.^[8]

United Kingdom

This substance is a Class A drug in the United Kingdom as a result of the N-benzylphenethylamine catch-all clause in the Misuse of Drugs Act 1971.^[9]

Analogues and derivatives

Analogues and derivatives of 2C-B:

25-N:

25-NB:

25-NM:

Substituted benzofurans:

2C-B-FLY
- 2C-B-BUTTERFLY
- 2C-B-DRAGONFLY
2CBFly-NBOMe (NBOMe-2CB-Fly)
DOB-FLY
DOB-2-DRAGONFLY-5-BUTTERFLY

N-(2C)-fentanyl:

N-(2C-B) fentanyl^[10]
- N-(2C-B-FLY) fentanyl^[11]

Other:

BOB
BOH-2C-B, β-Hydroxy-2C-B, βOH-2CB^[12]^[13]
BMB
2C-B-5-hemifly
2C-B-aminorex (2C-B-AR)
2C-B-AN
2C-B-BZP
2C-B-FLY-NB2EtO5Cl
2C-B-PP
2CB-Ind
βk-2C-B (beta-keto 2C-B)
N-Ethyl-2C-B
TCB-2 (2C-BCB)

References

^ Anvisa (2023-07-24). "RDC Nº 804 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 804 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 2023-07-25). Archived from the original on 2023-08-27. Retrieved 2023-08-27.
^ Heim R (19 March 2004). Synthese und Pharmakologie potenter 5-HT_2A-Rezeptoragonisten mit N-2-Methoxybenzyl-Partialstruktur (Ph.D. thesis). Freie Universität Berlin. Archived from the original on 16 April 2012. Retrieved 27 June 2015.
^ Hansen M, Phonekeo K, Paine JS, Leth-Petersen S, Begtrup M, Bräuner-Osborne H, Kristensen JL (March 2014). "Synthesis and structure-activity relationships of N-benzyl phenethylamines as 5-HT2A/2C agonists". ACS Chemical Neuroscience. 5 (3): 243–9. doi:10.1021/cn400216u. PMC 3963123. PMID 24397362.
^ Hansen M (2010-12-16). Design and Synthesis of Selective Serotonin Receptor Agonists for Positron Emission Tomography Imaging of the Brain (Ph.D. thesis). University of Copenhagen. doi:10.13140/RG.2.2.33671.14245.
^ Ettrup A, Hansen M, Santini MA, Paine J, Gillings N, Palner M, et al. (April 2011). "Radiosynthesis and in vivo evaluation of a series of substituted 11C-phenethylamines as 5-HT (2A) agonist PET tracers". European Journal of Nuclear Medicine and Molecular Imaging. 38 (4): 681–93. doi:10.1007/s00259-010-1686-8. PMID 21174090. S2CID 12467684.
^ Silva ME, Heim R, Strasser A, Elz S, Dove S (January 2011). "Theoretical studies on the interaction of partial agonists with the 5-HT2A receptor". Journal of Computer-Aided Molecular Design. 25 (1): 51–66. Bibcode:2011JCAMD..25...51S. CiteSeerX 10.1.1.688.2670. doi:10.1007/s10822-010-9400-2. PMID 21088982. S2CID 3103050.
^ Braden MR, Parrish JC, Naylor JC, Nichols DE (December 2006). "Molecular interaction of serotonin 5-HT2A receptor residues Phe339(6.51) and Phe340(6.52) with superpotent N-benzyl phenethylamine agonists". Molecular Pharmacology. 70 (6): 1956–64. doi:10.1124/mol.106.028720. PMID 17000863. S2CID 15840304.
^ "Läkemedelsverkets föreskrifter om ändring i Läkemedelsverkets föreskrifter (LVFS 2011:10) om förteckningar över narkotik" [The Swedish Medicines Agency's regulations on amendments to the Swedish Medicines Agency's regulations (LVFS 2011: 10) on lists of drugs] (PDF). Läkemedelsverket.
^ "The Misuse of Drugs Act 1971 (Ketamine etc.) (Amendment) Order 2014". UK Statutory Instruments 2014 No. 1106. www.legislation.gov.uk.
^ "Explore N-(2C-B)-Fentanyl | PiHKAL · info". isomerdesign.com.
^ "Explore N-(2C-FLY)-Fentanyl | PiHKAL · info". isomerdesign.com.
^ Glennon, Richard A.; Bondarev, Mikhail L.; Khorana, Nantaka; Young, Richard; May, Jesse A.; Hellberg, Mark R.; McLaughlin, Marsha A.; Sharif, Najam A. (November 2004). "β-Oxygenated Analogues of the 5-HT2ASerotonin Receptor Agonist 1-(4-Bromo-2,5-dimethoxyphenyl)-2-aminopropane". Journal of Medicinal Chemistry. 47 (24): 6034–6041. doi:10.1021/jm040082s. ISSN 0022-2623. PMID 15537358.
^ Beta-hydroxyphenylalkylamines and their use for treating glaucoma

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[1] Anvisa (2023-07-24). "RDC Nº 804 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 804 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 2023-07-25). Archived from the original on 2023-08-27. Retrieved 2023-08-27.

[2] Heim R (19 March 2004). Synthese und Pharmakologie potenter 5-HT_2A-Rezeptoragonisten mit N-2-Methoxybenzyl-Partialstruktur (Ph.D. thesis). Freie Universität Berlin. Archived from the original on 16 April 2012. Retrieved 27 June 2015.

[3] Hansen M, Phonekeo K, Paine JS, Leth-Petersen S, Begtrup M, Bräuner-Osborne H, Kristensen JL (March 2014). "Synthesis and structure-activity relationships of N-benzyl phenethylamines as 5-HT2A/2C agonists". ACS Chemical Neuroscience. 5 (3): 243–9. doi:10.1021/cn400216u. PMC 3963123. PMID 24397362.

[4] Hansen M (2010-12-16). Design and Synthesis of Selective Serotonin Receptor Agonists for Positron Emission Tomography Imaging of the Brain (Ph.D. thesis). University of Copenhagen. doi:10.13140/RG.2.2.33671.14245.

[5] Ettrup A, Hansen M, Santini MA, Paine J, Gillings N, Palner M, et al. (April 2011). "Radiosynthesis and in vivo evaluation of a series of substituted 11C-phenethylamines as 5-HT (2A) agonist PET tracers". European Journal of Nuclear Medicine and Molecular Imaging. 38 (4): 681–93. doi:10.1007/s00259-010-1686-8. PMID 21174090. S2CID 12467684.

[pmid21088982-6] Silva ME, Heim R, Strasser A, Elz S, Dove S (January 2011). "Theoretical studies on the interaction of partial agonists with the 5-HT2A receptor". Journal of Computer-Aided Molecular Design. 25 (1): 51–66. Bibcode:2011JCAMD..25...51S. CiteSeerX 10.1.1.688.2670. doi:10.1007/s10822-010-9400-2. PMID 21088982. S2CID 3103050.

[7] Braden MR, Parrish JC, Naylor JC, Nichols DE (December 2006). "Molecular interaction of serotonin 5-HT2A receptor residues Phe339(6.51) and Phe340(6.52) with superpotent N-benzyl phenethylamine agonists". Molecular Pharmacology. 70 (6): 1956–64. doi:10.1124/mol.106.028720. PMID 17000863. S2CID 15840304.

[8] "Läkemedelsverkets föreskrifter om ändring i Läkemedelsverkets föreskrifter (LVFS 2011:10) om förteckningar över narkotik" [The Swedish Medicines Agency's regulations on amendments to the Swedish Medicines Agency's regulations (LVFS 2011: 10) on lists of drugs] (PDF). Läkemedelsverket.

[9] "The Misuse of Drugs Act 1971 (Ketamine etc.) (Amendment) Order 2014". UK Statutory Instruments 2014 No. 1106. www.legislation.gov.uk.

[10] "Explore N-(2C-B)-Fentanyl | PiHKAL · info". isomerdesign.com.

[11] "Explore N-(2C-FLY)-Fentanyl | PiHKAL · info". isomerdesign.com.

[12] Glennon, Richard A.; Bondarev, Mikhail L.; Khorana, Nantaka; Young, Richard; May, Jesse A.; Hellberg, Mark R.; McLaughlin, Marsha A.; Sharif, Najam A. (November 2004). "β-Oxygenated Analogues of the 5-HT2ASerotonin Receptor Agonist 1-(4-Bromo-2,5-dimethoxyphenyl)-2-aminopropane". Journal of Medicinal Chemistry. 47 (24): 6034–6041. doi:10.1021/jm040082s. ISSN 0022-2623. PMID 15537358.

[13] Beta-hydroxyphenylalkylamines and their use for treating glaucoma

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Legal status

Legal status	BR: Class F2 (Prohibited psychotropics)^[1] DE: NpSG (Industrial and scientific use only) UK: Class A
Identifiers
IUPAC name 2-({[2-(4-bromo-2,5-dimethoxyphenyl)ethyl]amino}methyl)phenol
CAS Number	1335331-46-8^Y
PubChem CID	125181394
ChemSpider	58191433
UNII	KHR1SJ9L0Y
CompTox Dashboard (EPA)	DTXSID401017175
Chemical and physical data
Formula	C₁₇H₂₀BrNO₃
Molar mass	366.255 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES BrC2=CC(=C(CCNCC1=C(C=CC=C1)O)C=C2OC)OC
InChI InChI=1S/C17H20BrNO3/c1-21-16-10-14(18)17(22-2)9-12(16)7-8-19-11-13-5-3-4-6-15(13)20/h3-6,9-10,19-20H,7-8,11H2,1-2H3 Key:RSUNJYKZRKIBNB-UHFFFAOYSA-N