25B-NBOH

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-HT2A and 5-HT2C receptors with pKis values of 8.3 and 9.4, respectively.[1][2][3][4][5][6]

25B-NBOH
Legal status
Legal status
  • 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
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC17H20BrNO3
Molar mass366.255 g·mol−1
3D model (JSmol)
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

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.[7]

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.[8]

Analogues and derivatives

Analogues and derivatives of 2C-B:

25-N:

  • 25B-N1POMe
  • 25B-NAcPip

25-NB:

25-NM:

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

Substituted benzofurans:

Other:

References
  1. Heim R (19 March 2004). Synthese und Pharmakologie potenter 5-HT2A-Rezeptoragonisten mit N-2-Methoxybenzyl-Partialstruktur (Ph.D. thesis). Freie Universität Berlin. Archived from the original on 16 April 2012. Retrieved 27 June 2015.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. "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.
  8. "The Misuse of Drugs Act 1971 (Ketamine etc.) (Amendment) Order 2014". www.legislation.gov.uk.
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