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PubChem CID
Chemical and physical data
Molar mass433.548 g·mol−1
3D model (JSmol)
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N-Phenethyl-14-ethoxymetopon is a drug that is a derivative of metopon. It is a potent analgesic, around 60 times stronger than morphine and produces significantly less constipation.[1]

N-Phenethyl-14-ethoxymetopon acts as an agonist at both μ- and δ-opioid receptors, with a Ki of 0.16nM at μ and 3.14nM at δ.[2]

See also[edit]


  1. ^ Ananthan S (March 2006). "Opioid ligands with mixed mu/delta opioid receptor interactions: an emerging approach to novel analgesics". The AAPS Journal. 8 (1): E118-25. doi:10.1208/aapsj080114. PMC 2751430. PMID 16584118.
  2. ^ Lattanzi R, Spetea M, Schüllner F, Rief SB, Krassnig R, Negri L, Schmidhammer H (May 2005). "Synthesis and biological evaluation of 14-alkoxymorphinans. 22.(1) Influence of the 14-alkoxy group and the substitution in position 5 in 14-alkoxymorphinan-6-ones on in vitro and in vivo activities". Journal of Medicinal Chemistry. 48 (9): 3372–8. doi:10.1021/jm040894o. PMID 15857143.