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Record Information
Version2.0
Created at2022-09-10 13:03:35 UTC
Updated at2022-09-10 13:03:35 UTC
NP-MRD IDNP0300583
Secondary Accession NumbersNone
Natural Product Identification
Common Name7-methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-2,3-dihydro-1-benzopyran-4-one
Description7-Methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one 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. 7-methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-2,3-dihydro-1-benzopyran-4-one is found in Tephrosia purpurea. 7-Methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC21H20O3
Average Mass320.3880 Da
Monoisotopic Mass320.14124 Da
IUPAC Name7-methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name7-methoxy-8-(3-methylbuta-1,3-dien-1-yl)-2-phenyl-2,3-dihydro-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
COC1=CC=C2C(=O)CC(OC2=C1C=CC(C)=C)C1=CC=CC=C1
InChI Identifier
InChI=1S/C21H20O3/c1-14(2)9-10-17-19(23-3)12-11-16-18(22)13-20(24-21(16)17)15-7-5-4-6-8-15/h4-12,20H,1,13H2,2-3H3
InChI KeyKBXVDKBRENFYNS-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
Tephrosia purpureaLOTUS 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
  • 7-methoxyflavonoid-skeleton
  • Flavanone
  • Flavan
  • Chromone
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Anisole
  • Aryl alkyl ketone
  • Styrene
  • Aryl ketone
  • Alkyl aryl ether
  • Monocyclic benzene moiety
  • Benzenoid
  • Ketone
  • Organoheterocyclic compound
  • Ether
  • Oxacycle
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Organic oxygen compound
  • 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
logP4.23ALOGPS
logP4.45ChemAxon
logS-5.2ALOGPS
pKa (Strongest Acidic)14.55ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area35.53 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity96.1 m³·mol⁻¹ChemAxon
Polarizability36.04 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]