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Record Information
Version2.0
Created at2022-09-05 09:48:49 UTC
Updated at2022-09-05 09:48:50 UTC
NP-MRD IDNP0211504
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s)-7-hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-2,3-dihydro-1-benzopyran-4-one
DescriptionLespeflorin A2 belongs to the class of organic compounds known as 8-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 8-position. (2s)-7-hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-2,3-dihydro-1-benzopyran-4-one is found in Lespedeza floribunda. Based on a literature review very few articles have been published on Lespeflorin A2.
Structure
Thumb
SynonymsNot Available
Chemical FormulaC21H22O4
Average Mass338.4030 Da
Monoisotopic Mass338.15181 Da
IUPAC Name(2S)-7-hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name(2S)-7-hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-2,3-dihydro-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
COC1=CC=C(C=C1)[C@@H]1CC(=O)C2=CC=C(O)C(CC=C(C)C)=C2O1
InChI Identifier
InChI=1S/C21H22O4/c1-13(2)4-9-16-18(22)11-10-17-19(23)12-20(25-21(16)17)14-5-7-15(24-3)8-6-14/h4-8,10-11,20,22H,9,12H2,1-3H3/t20-/m0/s1
InChI KeyPAILWWPOJHGXTM-FQEVSTJZSA-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
Lespedeza floribundaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 8-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 8-position.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavans
Direct Parent8-prenylated flavanones
Alternative Parents
Substituents
  • 8-prenylated flavanone
  • 4p-methoxyflavonoid-skeleton
  • 7-hydroxyflavonoid
  • Flavanone
  • Hydroxyflavonoid
  • Chromone
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Phenoxy compound
  • Anisole
  • Methoxybenzene
  • Phenol ether
  • Aryl alkyl ketone
  • Aryl ketone
  • Alkyl aryl ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Benzenoid
  • Monocyclic benzene moiety
  • 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
logP4.36ChemAxon
pKa (Strongest Acidic)7.61ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area55.76 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity98.03 m³·mol⁻¹ChemAxon
Polarizability37.18 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 ID24619139
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound25243165
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]