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Record Information
Version2.0
Created at2022-09-07 05:57:55 UTC
Updated at2022-09-07 05:57:55 UTC
NP-MRD IDNP0245033
Secondary Accession NumbersNone
Natural Product Identification
Common Name5,7-dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-2h-1-benzopyran-4-one
Description5,7-Dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-one belongs to the class of organic compounds known as homoisoflavonoids. These are naturally occurring oxygen heterocycles with a structure based on a 16-carbon skeleton including a chromanone, chromone or chromane system with a benzyl group at position C-3. 5,7-dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-2h-1-benzopyran-4-one is found in Polygonatum odoratum. 5,7-Dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-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 FormulaC18H16O5
Average Mass312.3210 Da
Monoisotopic Mass312.09977 Da
IUPAC Name5,7-dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name5,7-dihydroxy-3-[(4-hydroxyphenyl)methylidene]-6,8-dimethyl-2H-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
CC1=C(O)C(C)=C2OCC(=CC3=CC=C(O)C=C3)C(=O)C2=C1O
InChI Identifier
InChI=1S/C18H16O5/c1-9-15(20)10(2)18-14(16(9)21)17(22)12(8-23-18)7-11-3-5-13(19)6-4-11/h3-7,19-21H,8H2,1-2H3
InChI KeyVNTDHUKVZACZLG-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
Polygonatum odoratumLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as homoisoflavonoids. These are naturally occurring oxygen heterocycles with a structure based on a 16-carbon skeleton including a chromanone, chromone or chromane system with a benzyl group at position C-3.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassHomoisoflavonoids
Sub ClassNot Available
Direct ParentHomoisoflavonoids
Alternative Parents
Substituents
  • Homoisoflavonoid
  • Chromone
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Aryl ketone
  • Alkyl aryl ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Monocyclic benzene moiety
  • Benzenoid
  • Vinylogous acid
  • Ketone
  • Oxacycle
  • Ether
  • Organoheterocyclic compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • 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
logP3.19ALOGPS
logP4.13ChemAxon
logS-4.1ALOGPS
pKa (Strongest Acidic)8.52ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area86.99 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity87.24 m³·mol⁻¹ChemAxon
Polarizability32.39 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
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 Compound75150030
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]