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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:35:28 UTC
Update Date2022-03-07 02:52:28 UTC
HMDB IDHMDB0030209
Secondary Accession Numbers
  • HMDB30209
Metabolite Identification
Common NameKoenine
DescriptionKoenine belongs to the class of organic compounds known as carbazoles. Carbazoles are compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring. Based on a literature review very few articles have been published on Koenine.
Structure
Data?1563861953
Synonyms
ValueSource
3,11-Dihydro-3,3,5-trimethylpyrano[3,2-a]carbazol-8-ol, 9ciHMDB
KenineHMDB
Chemical FormulaC18H17NO2
Average Molecular Weight279.3331
Monoisotopic Molecular Weight279.125928793
IUPAC Name3,3,5-trimethyl-3H,11H-pyrano[3,2-a]carbazol-8-ol
Traditional Name3,3,5-trimethyl-11H-pyrano[3,2-a]carbazol-8-ol
CAS Registry Number28200-63-7
SMILES
CC1=C2OC(C)(C)C=CC2=C2NC3=C(C=C(O)C=C3)C2=C1
InChI Identifier
InChI=1S/C18H17NO2/c1-10-8-14-13-9-11(20)4-5-15(13)19-16(14)12-6-7-18(2,3)21-17(10)12/h4-9,19-20H,1-3H3
InChI KeyVISKLVOLGCYFCW-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as carbazoles. Carbazoles are compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassCarbazoles
Direct ParentCarbazoles
Alternative Parents
Substituents
  • Carbazole
  • 2,2-dimethyl-1-benzopyran
  • Benzopyran
  • 1-benzopyran
  • Hydroxyindole
  • Indole
  • Alkyl aryl ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Benzenoid
  • Heteroaromatic compound
  • Pyrrole
  • Oxacycle
  • Azacycle
  • Ether
  • Organopnictogen compound
  • Organic oxygen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point250 - 252 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.0057 g/LALOGPS
logP4.32ALOGPS
logP4.2ChemAxon
logS-4.7ALOGPS
pKa (Strongest Acidic)9.97ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area45.25 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity84.89 m³·mol⁻¹ChemAxon
Polarizability31.88 ųChemAxon
Number of Rings4ChemAxon
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]+165.84431661259
DarkChem[M-H]-167.03631661259
DeepCCS[M+H]+171.17730932474
DeepCCS[M-H]-168.81930932474
DeepCCS[M-2H]-202.44130932474
DeepCCS[M+Na]+177.66830932474
AllCCS[M+H]+165.332859911
AllCCS[M+H-H2O]+161.532859911
AllCCS[M+NH4]+168.832859911
AllCCS[M+Na]+169.832859911
AllCCS[M-H]-171.732859911
AllCCS[M+Na-2H]-170.832859911
AllCCS[M+HCOO]-169.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
KoenineCC1=C2OC(C)(C)C=CC2=C2NC3=C(C=C(O)C=C3)C2=C13790.7Standard polar33892256
KoenineCC1=C2OC(C)(C)C=CC2=C2NC3=C(C=C(O)C=C3)C2=C12899.0Standard non polar33892256
KoenineCC1=C2OC(C)(C)C=CC2=C2NC3=C(C=C(O)C=C3)C2=C12878.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Koenine,1TMS,isomer #1CC1=CC2=C([NH]C3=CC=C(O[Si](C)(C)C)C=C32)C2=C1OC(C)(C)C=C23039.6Semi standard non polar33892256
Koenine,1TMS,isomer #2CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C)C1=CC=C(O)C=C212892.3Semi standard non polar33892256
Koenine,2TMS,isomer #1CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C)C1=CC=C(O[Si](C)(C)C)C=C212974.4Semi standard non polar33892256
Koenine,2TMS,isomer #1CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C)C1=CC=C(O[Si](C)(C)C)C=C212543.8Standard non polar33892256
Koenine,1TBDMS,isomer #1CC1=CC2=C([NH]C3=CC=C(O[Si](C)(C)C(C)(C)C)C=C32)C2=C1OC(C)(C)C=C23200.0Semi standard non polar33892256
Koenine,1TBDMS,isomer #2CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C(C)(C)C)C1=CC=C(O)C=C213051.6Semi standard non polar33892256
Koenine,2TBDMS,isomer #1CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C(C)(C)C)C1=CC=C(O[Si](C)(C)C(C)(C)C)C=C213275.3Semi standard non polar33892256
Koenine,2TBDMS,isomer #1CC1=CC2=C(C3=C1OC(C)(C)C=C3)N([Si](C)(C)C(C)(C)C)C1=CC=C(O[Si](C)(C)C(C)(C)C)C=C212961.7Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Koenine GC-MS (Non-derivatized) - 70eV, Positivesplash10-03g0-0290000000-02e807387206d040600b2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Koenine GC-MS (1 TMS) - 70eV, Positivesplash10-00dr-6139000000-1c04ae5f68d007a30e712017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Koenine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Koenine 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 - Koenine 10V, Positive-QTOFsplash10-001i-0090000000-230ba8992b2fedbe5cdb2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 20V, Positive-QTOFsplash10-001i-0090000000-54bdfc69af5d1b166bbc2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 40V, Positive-QTOFsplash10-00di-3590000000-0664cb2f67867932f71d2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 10V, Negative-QTOFsplash10-004i-0090000000-e07d5adb6ed9ee263da22015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 20V, Negative-QTOFsplash10-004i-0090000000-e401ff58544c0b4298242015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 40V, Negative-QTOFsplash10-01ox-1790000000-488ac3f41548520a42852015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 10V, Positive-QTOFsplash10-001i-0090000000-ca9c209963e0693bbfab2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 20V, Positive-QTOFsplash10-001i-0090000000-e9d8ac83e8c910dc507e2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 40V, Positive-QTOFsplash10-022l-0190000000-7f063161ab4de37218ab2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 10V, Negative-QTOFsplash10-004i-0090000000-50cc1ea4c83b57b666b02021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 20V, Negative-QTOFsplash10-004i-0090000000-50cc1ea4c83b57b666b02021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Koenine 40V, Negative-QTOFsplash10-004i-0090000000-25e7ec88de45258c70872021-09-25Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB002027
KNApSAcK IDC00051148
Chemspider ID4477291
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5318827
PDB IDNot Available
ChEBI ID173980
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. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .