Etodesnitazene

Etodesnitazene (Desnitroetonitazene, Etazen, Etazene, Etazone) is a benzimidazole derived opioid analgesic drug, which was originally developed in the late 1950s alongside etonitazene and a range of related derivatives.[1] It is many times less potent than etonitazene itself, but still 70x more potent than morphine in animal studies. Corresponding analogues where the N,N-diethyl group is replaced by piperidine or pyrrolidine rings also retain significant activity (10x and 20x morphine respectively).[2] Etodesnitazene has been sold as a designer drug,[3] first being identified in both Poland and Finland in March 2020.[4][5]

Desnitroetonitazene
Legal status
Legal status
Identifiers
IUPAC name
  • 2-[2-[(4-Ethoxyphenyl)methyl]benzimidazol-1-yl]-N,N-diethylethanamine
CAS Number
PubChem CID
UNII
Chemical and physical data
FormulaC22H29N3O
Molar mass351.494 g·mol−1
3D model (JSmol)
SMILES
  • CCN(CC)CCN1C2=CC=CC=C2N=C1CC3=CC=C(C=C3)OCC
InChI
  • InChI=1S/C22H29N3O/c1-4-24(5-2)15-16-25-21-10-8-7-9-20(21)23-22(25)17-18-11-13-19(14-12-18)26-6-3/h7-14H,4-6,15-17H2,1-3H3
  • Key:BMLPNUNXHUGDOI-UHFFFAOYSA-N

See also

References
  1. Ujváry, István; Christie, Rachel; Evans-Brown, Michael; Gallegos, Ana; Jorge, Rita; de Morais, Joanna; Sedefov, Roumen (March 2021). "DARK Classics in Chemical Neuroscience: Etonitazene and Related Benzimidazoles". ACS Chemical Neuroscience. 12 (7): 1072–1092. doi:10.1021/acschemneuro.1c00037. PMID 33760580. S2CID 232356192.
  2. Hunger A, Kebrle J, Rossi A, Hoffmann K (1960). "Benzimidazol‐Derivate und verwandte Heterocyclen. II. Synthese von 1‐Aminoalkyl‐2‐benzyl‐benzimidazolen". Helvetica Chimica Acta (in German). 43 (3): 800–809. doi:10.1002/hlca.19600430323.
  3. Siczek, Marta; Zawadzki, Marcin; Siczek, Miłosz; Chłopaś-Konowałek, Agnieszka; Szpot, Paweł (2020). "Etazene (N,N-diethyl-2-{[(4-ethoxyphenyl)methyl]-1H-benzimidazol-1-yl}-ethan-1-amine (dihydrochloride)): a novel benzimidazole opioid NPS identified in seized material: crystal structure and spectroscopic characterization". Forensic Toxicology. doi:10.1007/s11419-020-00552-9. ISSN 1860-8973.
  4. Siczek, Marta; Zawadzki, Marcin; Siczek, Miłosz; Chłopaś-Konowałek, Agnieszka; Szpot, Paweł (January 2021). "Etazene (N,N-diethyl-2-{[(4-ethoxyphenyl)methyl]-1H-benzimidazol-1-yl}-ethan-1-amine (dihydrochloride)): a novel benzimidazole opioid NPS identified in seized material: crystal structure and spectroscopic characterization". Forensic Toxicology. 39 (1): 146–155. doi:10.1007/s11419-020-00552-9. ISSN 1860-8965.
  5. "EU Early Warning System Situation Report. Situation report 1" (PDF). European Monitoring Centre for Drugs and Drug Addiction (EMCDDA). June 2020.


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