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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 15:16:52 UTC
Update Date2022-03-07 02:52:00 UTC
HMDB IDHMDB0015509
Secondary Accession Numbers
  • HMDB15509
Metabolite Identification
Common NameEthylmorphine
DescriptionEthylmorphine, also known as dionine or trachyl, belongs to the class of organic compounds known as morphinans. These are polycyclic compounds with a four-ring skeleton with three condensed six-member rings forming a partially hydrogenated phenanthrene moiety, one of which is aromatic while the two others are alicyclic. Morphine interacts predominantly with the opioid mu-receptor. Ethylmorphine is a very strong basic compound (based on its pKa). In humans, ethylmorphine is involved in ethylmorphine action pathway. It is not marketed in the US but is approved for use in various countries around the world. In addition to analgesia, alterations in mood, euphoria and dysphoria, and drowsiness commonly occur. It is metabolized in the liver by ethylmorphine-N-demethylase and used as an indicator of liver function.
Structure
Data?1582753304
Synonyms
ValueSource
DionineHMDB
Ethyl morphineHMDB
Ethylmorphine, (5alpha,6beta)-isomerHMDB
Novartis brand OF ethylmorphine hydrochloride, (5alpha,6alpha)-isomerHMDB
TrachylHMDB
EthomorphineHMDB
Ethylmorphine hydrochloride, (5alpha,6alpha)-isomerHMDB
Ethylmorphine sulfate (2:1), (5alpha,6alpha)-isomerHMDB
Ethylmorphine hydrochloride, dihydrate, (5alpha,6alpha)-isomerHMDB
Chemical FormulaC19H23NO3
Average Molecular Weight313.3908
Monoisotopic Molecular Weight313.167793607
IUPAC Name(1S,5R,13R,14S,17R)-10-ethoxy-4-methyl-12-oxa-4-azapentacyclo[9.6.1.0¹,¹³.0⁵,¹⁷.0⁷,¹⁸]octadeca-7(18),8,10,15-tetraen-14-ol
Traditional Nameethylmorphine
CAS Registry Number76-58-4
SMILES
[H][C@@]12OC3=C(OCC)C=CC4=C3[C@@]11CCN(C)[C@]([H])(C4)[C@]1([H])C=C[C@@H]2O
InChI Identifier
InChI=1S/C19H23NO3/c1-3-22-15-7-4-11-10-13-12-5-6-14(21)18-19(12,8-9-20(13)2)16(11)17(15)23-18/h4-7,12-14,18,21H,3,8-10H2,1-2H3/t12-,13+,14-,18-,19-/m0/s1
InChI KeyOGDVEMNWJVYAJL-LEPYJNQMSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as morphinans. These are polycyclic compounds with a four-ring skeleton with three condensed six-member rings forming a partially hydrogenated phenanthrene moiety, one of which is aromatic while the two others are alicyclic.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassMorphinans
Sub ClassNot Available
Direct ParentMorphinans
Alternative Parents
Substituents
  • Morphinan
  • Phenanthrene
  • Tetralin
  • Coumaran
  • Alkyl aryl ether
  • Aralkylamine
  • Piperidine
  • Benzenoid
  • Secondary alcohol
  • Tertiary amine
  • Tertiary aliphatic amine
  • Ether
  • Oxacycle
  • Azacycle
  • Organoheterocyclic compound
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Alcohol
  • Hydrocarbon derivative
  • Organic nitrogen compound
  • Amine
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point199 - 201 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.84 g/LNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.84 g/LALOGPS
logP1.72ALOGPS
logP1.7ChemAxon
logS-2.6ALOGPS
pKa (Strongest Acidic)13.78ChemAxon
pKa (Strongest Basic)9.19ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area41.93 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity89.35 m³·mol⁻¹ChemAxon
Polarizability34.17 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+171.63431661259
DarkChem[M-H]-170.64331661259
DeepCCS[M-2H]-212.99930932474
DeepCCS[M+Na]+189.130932474
AllCCS[M+H]+177.432859911
AllCCS[M+H-H2O]+174.332859911
AllCCS[M+NH4]+180.432859911
AllCCS[M+Na]+181.232859911
AllCCS[M-H]-181.832859911
AllCCS[M+Na-2H]-181.432859911
AllCCS[M+HCOO]-181.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Ethylmorphine[H][C@@]12OC3=C(OCC)C=CC4=C3[C@@]11CCN(C)[C@]([H])(C4)[C@]1([H])C=C[C@@H]2O3738.1Standard polar33892256
Ethylmorphine[H][C@@]12OC3=C(OCC)C=CC4=C3[C@@]11CCN(C)[C@]([H])(C4)[C@]1([H])C=C[C@@H]2O2401.1Standard non polar33892256
Ethylmorphine[H][C@@]12OC3=C(OCC)C=CC4=C3[C@@]11CCN(C)[C@]([H])(C4)[C@]1([H])C=C[C@@H]2O2491.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Ethylmorphine,1TMS,isomer #1CCOC1=CC=C2C[C@@H]3[C@@H]4C=C[C@H](O[Si](C)(C)C)[C@@H]5OC1=C2[C@@]54CCN3C2487.4Semi standard non polar33892256
Ethylmorphine,1TBDMS,isomer #1CCOC1=CC=C2C[C@@H]3[C@@H]4C=C[C@H](O[Si](C)(C)C(C)(C)C)[C@@H]5OC1=C2[C@@]54CCN3C2728.4Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Ethylmorphine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0671-1090000000-ee6bb48baf50c5f0670d2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethylmorphine GC-MS (1 TMS) - 70eV, Positivesplash10-00fr-8019000000-beb618b0f58f701fb24e2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethylmorphine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethylmorphine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 10V, Positive-QTOFsplash10-03di-0049000000-e64f6928d31bc2f5e1072016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 20V, Positive-QTOFsplash10-03di-1095000000-59a9dd24e82a0c7408b82016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 40V, Positive-QTOFsplash10-0pvi-2090000000-b870f6f4d523dfc80ab12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 10V, Negative-QTOFsplash10-03di-0029000000-34c8963f215272a01a9b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 20V, Negative-QTOFsplash10-03e9-1095000000-566ee946086b9b47cb7a2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 40V, Negative-QTOFsplash10-00os-2090000000-2f55fa4e64af44c96a212016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 10V, Positive-QTOFsplash10-03di-0009000000-879645690cd5fc806db22021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 20V, Positive-QTOFsplash10-03di-0049000000-f058a1d6993a96cbdcbe2021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 40V, Positive-QTOFsplash10-0k92-0091000000-89c269fb29eb1ca169592021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 10V, Negative-QTOFsplash10-03di-0009000000-19200665d806a98057c52021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 20V, Negative-QTOFsplash10-03di-0039000000-ded7c070e5e8b4cb35002021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethylmorphine 40V, Negative-QTOFsplash10-001i-0091000000-7a013b74465d3642aeaa2021-10-11Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01466 details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01466 details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB01466
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID4514250
KEGG Compound IDC07537
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkEthylmorphine
METLIN IDNot Available
PubChem Compound5359271
PDB IDNot Available
ChEBI ID1192901
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Aasmundstad TA, Xu BQ, Johansson I, Ripel A, Bjorneboe A, Christophersen AS, Bodd E, Morland J: Biotransformation and pharmacokinetics of ethylmorphine after a single oral dose. Br J Clin Pharmacol. 1995 Jun;39(6):611-20. [PubMed:7654478 ]
  2. Xu BQ, Aasmundstad TA, Lillekjendlie B, Bjorneboe A, Christophersen AS, Morland J: Effects of ethanol on ethylmorphine metabolism in isolated rat hepatocytes: characterization by means of a multicompartmental model. Pharmacol Toxicol. 1997 Apr;80(4):171-81. [PubMed:9140136 ]

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
This enzyme is required for electron transfer from NADP to cytochrome P450 in microsomes. It can also provide electron transfer to heme oxygenase and cytochrome B5.
Gene Name:
POR
Uniprot ID:
P16435
Molecular weight:
77047.575
General function:
Involved in monooxygenase activity
Specific function:
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4-hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Acts as a 1,8-cineole 2-exo-monooxygenase. The enzyme also hydroxylates etoposide.
Gene Name:
CYP3A4
Uniprot ID:
P08684
Molecular weight:
57255.585
References
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. doi: 10.1093/nar/gkp970. Epub 2009 Nov 24. [PubMed:19934256 ]
General function:
Involved in monooxygenase activity
Specific function:
Responsible for the metabolism of many drugs and environmental chemicals that it oxidizes. It is involved in the metabolism of drugs such as antiarrhythmics, adrenoceptor antagonists, and tricyclic antidepressants.
Gene Name:
CYP2D6
Uniprot ID:
P10635
Molecular weight:
55768.94
References
  1. Aasmundstad TA, Xu BQ, Johansson I, Ripel A, Bjorneboe A, Christophersen AS, Bodd E, Morland J: Biotransformation and pharmacokinetics of ethylmorphine after a single oral dose. Br J Clin Pharmacol. 1995 Jun;39(6):611-20. [PubMed:7654478 ]
  2. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. doi: 10.1093/nar/gkp970. Epub 2009 Nov 24. [PubMed:19934256 ]
General function:
Involved in monooxygenase activity
Specific function:
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Acts as a 1,4-cineole 2-exo-monooxygenase.
Gene Name:
CYP2B6
Uniprot ID:
P20813
Molecular weight:
56277.81
References
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. doi: 10.1093/nar/gkp970. Epub 2009 Nov 24. [PubMed:19934256 ]
General function:
Involved in monooxygenase activity
Specific function:
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics.
Gene Name:
CYP3A7
Uniprot ID:
P24462
Molecular weight:
57525.03
References
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. doi: 10.1093/nar/gkp970. Epub 2009 Nov 24. [PubMed:19934256 ]
General function:
Involved in G-protein coupled receptor protein signaling pathway
Specific function:
Inhibits neurotransmitter release by reducing calcium ion currents and increasing potassium ion conductance. Receptor for beta-endorphin
Gene Name:
OPRM1
Uniprot ID:
P35372
Molecular weight:
44778.9
References
  1. Yamada H, Shimoyama N, Sora I, Uhl GR, Fukuda Y, Moriya H, Shimoyama M: Morphine can produce analgesia via spinal kappa opioid receptors in the absence of mu opioid receptors. Brain Res. 2006 Apr 14;1083(1):61-9. Epub 2006 Mar 10. [PubMed:16530171 ]
  2. Choi HS, Kim CS, Hwang CK, Song KY, Wang W, Qiu Y, Law PY, Wei LN, Loh HH: The opioid ligand binding of human mu-opioid receptor is modulated by novel splice variants of the receptor. Biochem Biophys Res Commun. 2006 May 19;343(4):1132-40. Epub 2006 Mar 23. [PubMed:16580639 ]
  3. Castro RR, Cunha FQ, Silva FS Jr, Rocha FA: A quantitative approach to measure joint pain in experimental osteoarthritis--evidence of a role for nitric oxide. Osteoarthritis Cartilage. 2006 Aug;14(8):769-76. Epub 2006 Mar 31. [PubMed:16580848 ]
  4. Johnson EA, Oldfield S, Braksator E, Gonzalez-Cuello A, Couch D, Hall KJ, Mundell SJ, Bailey CP, Kelly E, Henderson G: Agonist-selective mechanisms of mu-opioid receptor desensitization in human embryonic kidney 293 cells. Mol Pharmacol. 2006 Aug;70(2):676-85. Epub 2006 May 8. [PubMed:16682505 ]
  5. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [PubMed:11752352 ]