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Identification
YMDB IDYMDB01634
Namealpha-Isomethyl-ionone
SpeciesSaccharomyces cerevisiae
StrainBrewer's yeast
Descriptionalpha-Isomethyl ionone as an odor described as violet sweet orris powdery floral woody. [Luebke, William tgsc, (1985)]
Structure
Thumb
Synonyms
  • .alpha. Isomethyl ionone
  • 8-Methyl-alpha-ionone
  • alpha Isomethyl ionone
  • alpha-Cetone
  • alpha-Ionone, isomethyl-
  • Cetone alpha
  • iso-alpha-methyl ionone
  • Isomethyl-alpha-ionone
  • Methyl-alpha-isoionone
  • 3-Methyl-a-ionone
  • FEMA 2714
  • Isomethyl-a-ionone
  • alpha-Isomethyl ionone
  • alpha-Isomethylionone
  • Methyl ionone gamma
CAS number127-51-5
WeightAverage: 206.3239
Monoisotopic: 206.167065326
InChI KeyJRJBVWJSTHECJK-PKNBQFBNSA-N
InChIInChI=1S/C14H22O/c1-10-7-6-8-14(4,5)13(10)9-11(2)12(3)15/h7,9,13H,6,8H2,1-5H3/b11-9+
IUPAC Name(3E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Traditional IUPAC Name(3E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one
Chemical FormulaC14H22O
SMILESCC(=O)C(\C)=C\C1C(C)=CCCC1(C)C
Chemical Taxonomy
DescriptionThis compound belongs to the class of chemical entities known as sesquiterpenoids. These are terpenes with three consecutive isoprene units.
KingdomChemical entities
Super ClassOrganic compounds
ClassLipids and lipid-like molecules
Sub ClassPrenol lipids
Direct ParentSesquiterpenoids
Alternative Parents
Substituents
  • Cyclofarsesane sesquiterpenoid
  • Megastigmane sesquiterpenoid
  • Sesquiterpenoid
  • Ionone derivative
  • Alpha-branched alpha,beta-unsaturated-ketone
  • 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 DescriptorsNot Available
Physical Properties
StateNot Available
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.064 mg/mLALOGPS
logP4.69ALOGPS
logP3.71ChemAxon
logS-3.5ALOGPS
pKa (Strongest Acidic)19.7ChemAxon
pKa (Strongest Basic)-4.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity66.45 m3·mol-1ChemAxon
Polarizability24.96 Å3ChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular LocationsNot Available
Organoleptic PropertiesNot Available
SMPDB PathwaysNot Available
KEGG PathwaysNot Available
SMPDB ReactionsNot Available
KEGG ReactionsNot Available
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted GC-MSPredicted GC-MS Spectrum - GC-MSNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, NegativeNot Available
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 IDNot Available
HMDB IDHMDB31738
Pubchem Compound ID5372174
Kegg IDNot Available
ChemSpider ID4522510
FOODB IDFDB008407
Wikipedia IDNot Available
BioCyc IDNot Available