N-Phenethyl-14-ethoxymetopon

N-Phenethyl-14-ethoxymetopon

N-Phenethyl-14-ethoxymetopon

Systematic (IUPAC) name

3-hydroxy-14-ethoxy-5-methyl-7,8-dihydro-4,5α-epoxy-17-(2-phenylethyl)morphinan-6-one

Identifiers

CAS number ?

ATC code ?

PubChem 11049533

Chemical data

Formula C₂₇H₃₁N O₄

Mol. mass 433.538 g/mol

SMILES eMolecules & PubChem

Pharmacokinetic data

Bioavailability ?

Metabolism ?

Half life ?

Excretion ?

Therapeutic considerations

Pregnancy cat.
?

Legal status

Routes ?

N-Phenethyl-14-ethoxymetopon is a drug which is a derivative of metopon. It is a potent analgesic, around 60 times stronger than morphine, but 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

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References

^ Ananthan S. Opioid ligands with mixed mu/delta opioid receptor interactions: an emerging approach to novel analgesics. AAPS Journal. 2006 Mar 10;8(1):E118-25. PMID 16584118
^ Lattanzi R, Spetea M, Schüllner F, Rief SB, Krassnig R, Negri L, Schmidhammer H. 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. 2005 May 5;48(9):3372-8. PMID 15857143

v • d • e

Opium
derivatives

Whole Opium
Preparations

Diascordium • Dover's powder • Laudanum • Mithridate • Opium • Paregoric • Poppy Straw Concentrate • Poppy tea • Smoking Opium • Theriac

Natural Opiates

Opium Alkaloids see also: Components of Opium	Codeine • Morphine • Oripavine • Thebaine

Alkaloid Salts Mixtures	Pantopon • Papaveretum (Omnopon) • Tetrapon

Semisynthetics

Morphine Family	2,4-Dinitrophenylmorphine • 6-Methyldihydromorphine • 6-Methylenedihydrodesoxymorphine • Dihydrodesoxymorphine (Desomorphine) • Diacetyldihydromorphine (Dihydroheroin) • Dibutanoylmorphine • Dihydromorphine • Dipropanoylmorphine • Ethyldihydromorphine • Heroin (Diacetylmorphine) • Heroin-7,8-Oxide • Hydromorphinol • Methyldesorphine • Nicomorphine • N-Phenethylnormorphine

Codeine-Dionine Family	Acetylcodeine • Benzylmorphine • Codeine methylbromide • Desocodeine • Methyldihydromorphine (Dihydroheterocodeine) • Ethylmorphine (Dionine) • Heterocodeine • Isocodeine • Morpholinylethylmorphine (Pholcodine) • Myrophine • Nalodeine • Transisocodeine

Morphinones	14-Ethoxymetopon • 14-Methoxymetopon • 14-O-Methyloxymorphone • 14-Phenylpropoxymetopon • 7-Spiroindanyloxymorphone • 8,14-Dihydroxydihydromorphinone • Acetylmorphone • Ethyldihydromorphinone • Hydromorphinone • Hydromorphone • Hydroxycodeine • Methyldihydromorphinone • Metopon • Morphinol • Morphinone • N-Phenethyl-14-ethoxymetopon • Oxymorphone • Pentamorphone • Semorphone

Codeinones	1-carboxy-14-hydroxydihydrocodeinone • 1-carbethoxy-14-hydroxydihydrocodeinone • Acetyldihydrocodeinone (Dihydrocodeinone enol acetate) • Codeinone • Codorphone • Codoxime • Hydrocodone • Oxycodone • Thebacon

Dihydrocodeine Series	14-hydroxydihydrocodeine • Acetyldihydrocodeine • Dihydrocodeine • Dihydrodesoxycodeine/Desocodeine • Dihydroisocodeine • Nicocodeine • Nicodicodeine

Nitrogen Morphine Derivatives	Codeine-N-Oxide • Heroin-N-Oxide • Hydromorphone-N-Oxide • Morphine-N-Oxide

Others	α-chlorocodide • Azidomorphine • Chlornaltrexamine • Chloromorphide • Hydromorphazone • Morphazone • Oxymorphazone • Pholcodine

Active Opiate
Metabolites

Codeine-N-Oxide (Genocodeine) • Hydromorphone-N-Oxide • Heroin-7,8-Oxide • Morphine-3-glucuronide • Morphine-6-glucuronide • Monoacetylmorphine • Morphine-N-Oxide (Genomorphine) • Naltrexol • Norcodeine • Normorphine

Morphinan Series	4-chlorophenylpyridomorphinan • Cyclorphan • Dextro-3-hydroxy-N-allylmorphinan • Dextromethorphan • Dextrorphan • Dimemorfan • Levargorphan • Levallorphan • Levorphanol • Levorphan • Levophenacylmorphan • Levomethorphan • Norlevorphanol • N-Methylmorphinan • Oxilorphan • Phenomorphan • Methorphan / Racemethorphan • Racemorphan • Ro4-1539 • Stephodeline • Xorphanol

Others	1-Nitroaknadinine • 14-episinomenine • 5,6-Dihydronorsalutaridine • 6-Ketonalbuphine • Aknadinine • Butorphanol • Cephakicine • Cephasamine • Cyprodime • Drotebanol • Fenfangjine G • Nalbuphine • Sinococuline • Sinomenine (Cocculine) • Tannagine

Benzomorphans

5,9-DEHB • Allylnormetazocine • Anazocine • Bremazocine • Cogazocine • Cyclazocine • Dezocine • Eptazocine • Etazocine • Ethylketocyclazocine • Fluorophen • Ketazocine • Metazocine • Pentazocine • Phenazocine • Quadazocine • Thiazocine • Tonazocine • Volazocine • Zenazocine

4-Phenylpiperidines

Pethidines (Meperidines)	Allylnorpethidine • Anileridine • Benzethidine • Carperidine • Difenoxin • Diphenoxylate • Etoxeridine (Carbetidine) • Furethidine • Hydroxypethidine (Bemidone) • Hydroxymethoxypethidine • Morpheridine • Oxpheneridine (Carbamethidine) • Meperidine-N-Oxide • Pethidine (Meperidine) • Pethidine Intermediate A • Pethidine Intermediate B (Norpethidine) • Pethidine Intermediate C (Pethidinic Acid) • Pheneridine • Phenoperidine • Piminodine • Properidine (Ipropethidine) • Sameridine

Prodines	Allylprodine • Isopromedol • Meprodine (α-meprodine / β-meprodine) • MPPP (Desmethylprodine) • PEPAP • Prodine (α-prodine / β-prodine) • Prosidol • Trimeperidine (Promedol)

Ketobemidones	Acetoxyketobemidone • Droxypropine • Ketobemidone • Methylketobemidone • Propylketobemidone

Others	Alvimopan • Loperamide • Picenadol

Open Chain
Opioids

Amidones	Dextromethadone • Dextroisomethadone • Dipipanone • Hexalgon (Norpipanone) • Isomethadone • Levoisomethadone • Levomethadone • Methadone • Methadone intermediate • Normethadone • Norpipanone • Phenadoxone (Heptazone) • Pipidone

Methadols	Dimepheptanol (Racemethadol) • Levacetylmethadol • Levomethadyl acetate (Acetylmethadol) • Noracetylmethadol

Moramides	Dextromoramide • Levomoramide • Moramide intermediate • Racemoramide

Thiambutenes	Diethylthiambutene • Dimethylthiambutene • Ethylmethylthiambutene • Piperidylthiambutene • Pyrrolidinylthiambutene • Thiambutene • Tipepidine

Phenalkoxams	Dextropropoxyphene (Propoxyphene) • Dimenoxadol • Dioxaphetyl Butyrate • Levopropoxyphene •

Ampromides	Diampromide • Phenampromide • Propiram

Others	IC-26 • Isoaminile • Lefetamine • R-4066

Anilidopiperidines

3-Allylfentanyl • 3-Methylfentanyl • 3-Methylthiofentanyl • Alfentanil • α-methylacetylfentanyl • α-methylfentanyl • α-methylthiofentanyl • Benzylfentanyl • β-hydroxyfentanyl • β-hydroxythiofentanyl • β-methylfentanyl • Brifentanil • Carfentanil • Fentanyl • Lofentanil • Mirfentanil • Ocfentanil • Ohmefentanyl • Parafluorofentanyl • Phenaridine • Remifentanil • Sufentanil • Thenylfentanyl • Thiofentanyl • Trefentanil

Oripavine
derivatives

7-PET • Acetorphine • Alletorphine • BU-48 • Buprenorphine • Butorphine • Cyprenorphine • Dihydroetorphine • Diprenorphine (M5050) • Etorphine • N-cyclopropylmethyl-noretorphine • Nepenthone • Norbuprenorphine • Thevinone • Thienorphine

Phenazepines

Ethoheptazine • Meptazinol • Metheptazine • Metethoheptazine • Proheptazine

Pirinitramides

Bezitramide • Piritramide

Clonitazene • Etonitazene • Nitazene

18-MC • 7-Acetoxymitragynine • 7-Hydroxymitragynine • Akuammidine • Akuammine • Eseroline • Hodgkinsine • Ibogaine • Mitragynine • Noribogaine • Pericine • ψ-Akuammigine

Diphenylmethylpiperazines

BW373U86 • DPI-221 • DPI-287 • DPI-3290 • SNC-80

Opioid peptides
see also: The Opioid Peptides

Casomorphin • DADLE • DALDA • DAMGO • Dermenkephalin • Dermorphin • Deltorphin • DPDPE • Dynorphin • Endomorphin • Endorphin • Enkephalin • Gliadorphin • Morphiceptin • Nociceptin • Octreotide • Opiorphin • Rubiscolin • TRIMU 5

Others

Azaprocin • BDPC • Befiradol • Bisnortilidine • BRL-52537 • C-8813 • Ciramadol • Enadoline • Faxeladol • Herkinorin • J-113,397 • JTC-801 • Methopholine • NNC 63-0532 • Nortilidine • O-Desmethyltramadol • Prodilidine • Ro64-6198 • Salvinorin A • SB-612,111 • SC-17599 • RWJ-394,674 • TAN-67 • Tapentadol • Tifluadom • Tilidine • Tramadol • Viminol • W-18 • Zipeprol

Opioid Antagonists
&
Inverse-Agonists

5'-Guanidinonaltrindole • β-Funaltrexamine • 6β-Naltrexol • Alvimopan • Amiphenazole • Binaltorphimine • Clocinnamox • Cyclazocine • Cyprodime • Diprenorphine (M5050) • Fedotozine • Levallorphan • Methocinnamox • Methylnaltrexone • Nalfurafine • Nalmefene • Nalmexone • Naloxazone • Naloxonazine • Naloxone • Naloxone benzoylhydrazone • Nalorphine • Naltrexone • Naltriben • Naltrindole • Norbinaltorphimine • Oxilorphan • S-allyl-3-hydroxy-17-thioniamorphinan (SAHTM)