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Identification
YMDB IDYMDB01643
Namebeta-Ionone
SpeciesSaccharomyces cerevisiae
StrainBrewer's yeast
Descriptionbeta-Ionone, also known as (e)-b-ionone or trans-beta-ionone, belongs to the class of organic compounds known as sesquiterpenoids. These are terpenes with three consecutive isoprene units. beta-Ionone is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
  • (3E)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
  • (E)-beta-Ionone
  • [E]-4-[2,6,6-trimethyl-1-cyclohexen-1-yl]-3-buten-2-one
  • 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one
  • 4-(2,6,6-trimethylcyclohexen-1-yl)but-3-en-2-one
  • beta-(E)-Ionone
  • beta-E-Ionone
  • beta-Ionon
  • beta-Ionone
  • trans-beta-Ionone
  • (e)-b-Ionone
  • (e)-Β-ionone
  • b-e-Ionone
  • Β-e-ionone
  • b-Ionon
  • Β-ionon
  • trans-b-Ionone
  • trans-Β-ionone
  • b-Ionone
  • Β-ionone
  • (3E)-4-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-3-en-2-one
  • (e)-beta -Ionone
  • 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-(e)-3-buten-2-one
  • beta -e-Ionone
  • FEMA 2595
  • Ionone, beta
  • trans-beta -Ionone
  • beta-Ionone, (trans)-isomer
CAS number79-77-6
WeightAverage: 192.2973
Monoisotopic: 192.151415262
InChI KeyPSQYTAPXSHCGMF-BQYQJAHWSA-N
InChIInChI=1S/C13H20O/c1-10-6-5-9-13(3,4)12(10)8-7-11(2)14/h7-8H,5-6,9H2,1-4H3/b8-7+
IUPAC Name(3E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one
Traditional IUPAC Nameβ-ionone
Chemical FormulaC13H20O
SMILESCC(=O)\C=C\C1=C(C)CCCC1(C)C
Chemical Taxonomy
Description belongs to the class of organic compounds known as sesquiterpenoids. These are terpenes with three consecutive isoprene units.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassSesquiterpenoids
Direct ParentSesquiterpenoids
Alternative Parents
Substituents
  • Cyclofarsesane sesquiterpenoid
  • Megastigmane sesquiterpenoid
  • Sesquiterpenoid
  • Ionone derivative
  • Alpha,beta-unsaturated ketone
  • Enone
  • Acryloyl-group
  • Ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting point-49 °C
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.1 g/LALOGPS
logP4.11ALOGPS
logP3.28ChemAxon
logS-3.3ALOGPS
pKa (Strongest Acidic)19.71ChemAxon
pKa (Strongest Basic)-4.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity61.82 m³·mol⁻¹ChemAxon
Polarizability23.36 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular LocationsNot Available
Organoleptic Properties
Flavour/OdourSource
DryFDB015469
FloralFDB015469
FlowerFDB015469
JamFDB015469
OrangeFDB015469
OrrisFDB015469
PowderyFDB015469
RaspberryFDB015469
SeaweedFDB015469
VioletFDB015469
WoodyFDB015469
SMPDB PathwaysNot Available
KEGG PathwaysNot Available
SMPDB ReactionsNot Available
KEGG ReactionsNot Available
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-002f-8900000000-c13b694647d1f5e201bfJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004i-3900000000-b2fd6907056260485dd2JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-9800000000-3e2f914b8442dedd62d9JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-6900000000-a0ed0929b7cb7526955dJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-4900000000-3169016f24891f9035d6JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-002f-8900000000-c13b694647d1f5e201bfJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004i-3900000000-b2fd6907056260485dd2JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-9800000000-3e2f914b8442dedd62d9JSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-6900000000-a0ed0929b7cb7526955dJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-004l-4900000000-3169016f24891f9035d6JSpectraViewer | MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-004j-2900000000-00c10c6b19261d08ffeaJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-002f-0900000000-0f7a122ff9743bcbf077JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-004u-4900000000-9dad39944d71a20a0f87JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0gbc-9400000000-77a4b4a15731ccc83316JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-0900000000-b62117da7fb50997c027JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-0900000000-e7133a7253517651678aJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-05ed-3900000000-c1d86be9896bad6ad97eJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-0900000000-14436e4d9ff8d032db54JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0007-0900000000-85f77f47306d55836911JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0002-1900000000-5f53d8abc51bbf1e4e99JSpectraViewer
MSMass Spectrum (Electron Ionization)splash10-004l-6900000000-9288b23b92d86ede5336JSpectraViewer | MoNA
1D NMR13C NMR SpectrumNot AvailableJSpectraViewer
References
References:
  • Loscos, N., Hernandez-Orte, P., Cacho, J., Ferreira, V. (2007). "Release and formation of varietal aroma compounds during alcoholic fermentation from nonfloral grape odorless flavor precursors fractions." J Agric Food Chem 55:6674-6684.17616208
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID32325
HMDB IDHMDB0036565
Pubchem Compound ID26955
Kegg IDC12287
ChemSpider ID553581
FOODB IDFDB015469
Wikipedia IDIonone
BioCyc IDNot Available