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Record Information
Version1.0
Created at2022-06-29 18:32:44 UTC
Updated at2022-06-29 18:32:44 UTC
NP-MRD IDNP0138712
Secondary Accession NumbersNone
Natural Product Identification
Common NameBlumeatin B
Description3,3',5-Trihydroxy-4',7-dimethoxyflavanone, also known as taxifolin 7,4'-dimethyl ether, belongs to the class of organic compounds known as 7-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone. 3,3',5-Trihydroxy-4',7-dimethoxyflavanone is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, 3,3',5-Trihydroxy-4',7-dimethoxyflavanone has been detected, but not quantified in, tea. Blumeatin B is found in Blumea balsamifera, Blumea fistulosa, Eupatorium capillifolium, Ageratina altissima and Iris potaninii. This could make 3,3',5-trihydroxy-4',7-dimethoxyflavanone a potential biomarker for the consumption of these foods.
Structure
Thumb
Synonyms
ValueSource
(2R,3R)-3,5,3'-Trihydroxy-7,4'-dimethoxyflavanoneHMDB
(S)-1,4,7,10,13,16-Hexaoxacyclooctadecane-2-methanolHMDB
3',5-Dihydroxy-4',7-dimethoxydihydroflavonolHMDB
Taxifolin 7,4'-dimethyl etherHMDB
Chemical FormulaC17H16O7
Average Mass332.3047 Da
Monoisotopic Mass332.08960 Da
IUPAC Name3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-2,3-dihydro-1-benzopyran-4-one
CAS Registry Number79995-67-8
SMILES
COC1=CC(O)=C2C(=O)C(O)C(OC2=C1)C1=CC(O)=C(OC)C=C1
InChI Identifier
InChI=1S/C17H16O7/c1-22-9-6-11(19)14-13(7-9)24-17(16(21)15(14)20)8-3-4-12(23-2)10(18)5-8/h3-7,16-19,21H,1-2H3
InChI KeySVPNMFZMHPLGRR-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Blumea balsamiferaLOTUS Database
Blumea fistulosaLOTUS Database
Eupatorium capillifoliumLOTUS Database
Eupatorium rugosumLOTUS Database
Iris potaniniiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 7-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C7 atom of the flavonoid backbone.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassO-methylated flavonoids
Direct Parent7-O-methylated flavonoids
Alternative Parents
Substituents
  • 4p-methoxyflavonoid-skeleton
  • 7-methoxyflavonoid-skeleton
  • Flavanone
  • Flavanonol
  • 3'-hydroxyflavonoid
  • 3-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • Hydroxyflavonoid
  • Flavan
  • Chromone
  • Methoxyphenol
  • Benzopyran
  • Chromane
  • 1-benzopyran
  • Phenol ether
  • Phenoxy compound
  • Methoxybenzene
  • Anisole
  • Aryl ketone
  • Aryl alkyl ketone
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • 1-hydroxy-4-unsubstituted benzenoid
  • Alkyl aryl ether
  • Benzenoid
  • Monocyclic benzene moiety
  • Vinylogous acid
  • Secondary alcohol
  • Ketone
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Hydrocarbon derivative
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP1.95ALOGPS
logP2.11ChemAxon
logS-2.9ALOGPS
pKa (Strongest Acidic)9.47ChemAxon
pKa (Strongest Basic)-3.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area105.45 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity83.57 m³·mol⁻¹ChemAxon
Polarizability33.08 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0037504
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB016579
KNApSAcK IDC00008582
Chemspider ID9431045
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound11256019
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General ReferencesNot Available