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Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 21:51:07 UTC
Update Date2022-03-07 02:55:01 UTC
HMDB IDHMDB0036685
Secondary Accession Numbers
  • HMDB36685
Metabolite Identification
Common Name2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one
Description2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one belongs to the class of organic compounds known as cyclic ketones. These are organic compounds containing a ketone that is conjugated to a cyclic moiety. 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one has been detected, but not quantified in, fruits and quinces (Cydonia oblonga). This could make 2,2,6,7-tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one.
Structure
Data?1563862909
Synonyms
ValueSource
1,4,5,7a-tetrahydro-1,4,4,7a-Tetramethyl-2H-inden-2-one, 9ciHMDB
2,2,6,7-tetramethylbicyclo[4.3.0]Nona-1(9),4-dienHMDB
Chemical FormulaC13H18O
Average Molecular Weight190.2814
Monoisotopic Molecular Weight190.135765198
IUPAC Name1,4,4,7a-tetramethyl-2,4,5,7a-tetrahydro-1H-inden-2-one
Traditional Name1,4,4,7a-tetramethyl-1,5-dihydroinden-2-one
CAS Registry Number99901-22-1
SMILES
CC1C(=O)C=C2C1(C)C=CCC2(C)C
InChI Identifier
InChI=1S/C13H18O/c1-9-10(14)8-11-12(2,3)6-5-7-13(9,11)4/h5,7-9H,6H2,1-4H3
InChI KeyKTDAEZJBJUWAPC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cyclic ketones. These are organic compounds containing a ketone that is conjugated to a cyclic moiety.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentCyclic ketones
Alternative Parents
Substituents
  • Cyclic ketone
  • Organic oxide
  • Hydrocarbon derivative
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.17 g/LALOGPS
logP3.77ALOGPS
logP3.07ChemAxon
logS-3ALOGPS
pKa (Strongest Basic)-5.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity60.16 m³·mol⁻¹ChemAxon
Polarizability22.04 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+144.5531661259
DarkChem[M-H]-139.91631661259
DeepCCS[M+H]+147.72330932474
DeepCCS[M-H]-145.32830932474
DeepCCS[M-2H]-179.19130932474
DeepCCS[M+Na]+153.97730932474
AllCCS[M+H]+139.732859911
AllCCS[M+H-H2O]+135.632859911
AllCCS[M+NH4]+143.632859911
AllCCS[M+Na]+144.732859911
AllCCS[M-H]-147.932859911
AllCCS[M+Na-2H]-148.432859911
AllCCS[M+HCOO]-149.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-oneCC1C(=O)C=C2C1(C)C=CCC2(C)C2144.2Standard polar33892256
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-oneCC1C(=O)C=C2C1(C)C=CCC2(C)C1424.1Standard non polar33892256
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-oneCC1C(=O)C=C2C1(C)C=CCC2(C)C1445.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one,1TMS,isomer #1CC1=C(O[Si](C)(C)C)C=C2C(C)(C)CC=CC21C1594.6Semi standard non polar33892256
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one,1TMS,isomer #1CC1=C(O[Si](C)(C)C)C=C2C(C)(C)CC=CC21C1470.1Standard non polar33892256
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one,1TBDMS,isomer #1CC1=C(O[Si](C)(C)C(C)(C)C)C=C2C(C)(C)CC=CC21C1833.2Semi standard non polar33892256
2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one,1TBDMS,isomer #1CC1=C(O[Si](C)(C)C(C)(C)C)C=C2C(C)(C)CC=CC21C1705.6Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one GC-MS (Non-derivatized) - 70eV, Positivesplash10-01xt-0900000000-17bffd7ca21b1bafdda62017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 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 - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 10V, Positive-QTOFsplash10-0006-0900000000-7c91cd61932b551050e42015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 20V, Positive-QTOFsplash10-006x-1900000000-e682e1dcb4c52a3953c82015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 40V, Positive-QTOFsplash10-0udi-9300000000-d955792af640da5f4ce72015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 10V, Negative-QTOFsplash10-000i-0900000000-ded3eaef6af29c6c9a892015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 20V, Negative-QTOFsplash10-000i-0900000000-f0eab8ae2324b1cdb0662015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 40V, Negative-QTOFsplash10-05gi-1900000000-478cafdbf7cbb08df9f82015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 10V, Positive-QTOFsplash10-0006-0900000000-a14e2e875b7c0d46796e2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 20V, Positive-QTOFsplash10-052o-5900000000-da70c4dd7160a59859172021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 40V, Positive-QTOFsplash10-0553-9800000000-b93e4ba8d0d2e13aade82021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 10V, Negative-QTOFsplash10-000i-0900000000-e256e4b34c2e1cd9831e2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 20V, Negative-QTOFsplash10-000i-0900000000-9fd65e76a42a9e2520f62021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,2,6,7-Tetramethylbicyclo[4.3.0]nona-1(9),4-dien-8-one 40V, Negative-QTOFsplash10-000i-0900000000-caa664de02c7eba8df2d2021-09-24Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • 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 IDFDB015615
KNApSAcK IDC00021958
Chemspider ID35014200
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound85517881
PDB IDNot Available
ChEBI ID168238
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.. .