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Record Information
Version2.0
Created at2022-04-27 23:47:57 UTC
Updated at2022-04-27 23:47:57 UTC
NP-MRD IDNP0052916
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-(3,4-Dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-1-benzopyran-4-one
Description3,7-Dimethylquercetin, also known as DTHF, 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. Thus, 3,7-dimethylquercetin is considered to be a flavonoid lipid molecule. 3,7-Dimethylquercetin is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. 3,7-Dimethylquercetin exists in all living organisms, ranging from bacteria to humans. Outside of the human body, 3,7-Dimethylquercetin is found, on average, in the highest concentration within grape wines and beers. This could make 3,7-dimethylquercetin a potential biomarker for the consumption of these foods. 2-(3,4-Dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-1-benzopyran-4-one is found in Aeonium manriquiorum, Ageratina havanensis, Artemisia monosperma, Artemisia spp. , Baccharis pilularis, Blumea balsamifera, Calceolaria spp., Chrysothamnus viscidiflorus, Croton schiedeanus, Cyperus spp., Dioscorea bulbifera, Eirmocephala megaphylla, Eriodictyon trichocalyx, Eucryphia milliganii, Eucryphia moorei, Flourensia cernua, Grindelia tarapacana, Haplopappus taeda, Heliotropium pycnophyllum, Heliotropium stenophyllum, Holocarpha spp., Lantana camara , Larrea cuneifolia , Larrea divaricata , Larrea tridentata , Macaranga triloba, Wollastonia biflora, Mimulus cardinalis, Mirabilis viscosa, Nolana rostrata, Ozothamnus lycopodioides, Ozothamnus scutellifolius, Palafoxia sphacelata, Pelargonium fulgidum , Pelargonium quercifolium , Petunia surfinia, Rubus phoenicolasius , Salpiglossis sinuata, Siegesbeckia jorullensis, Siegesbeckia orientalis , Solanum pennellii, Taxus chinensis, Viscum album , Viscum cruciatum , Vitex agnus-castus, Vitis vinifera, Wallastonia bifora and Xanthocephalum gymnospermoides. 2-(3,4-Dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-1-benzopyran-4-one was first documented in 1989 (PMID: 2632060). A dimethoxyflavone that the 3,7-di-O-methyl derivative of quercetin (PMID: 19031255).
Structure
Thumb
Synonyms
ValueSource
2-(3,4-Dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4-benzopyroneChEBI
3,7-Di-O-methylquercetinChEBI
3,7-O-DimethylquercetinChEBI
3',4',5-Trihydroxy-3,7-dimethoxyflavoneKegg
5,3',4'-Trihydroxy-3,7-dimethoxyflavoneHMDB
DTHFHMDB
Quercetin 3,7-dimethyl etherHMDB
3,7-Dimethoxy-5,3',4'-trihydroxyflavoneHMDB
Chemical FormulaC17H14O7
Average Mass330.2889 Da
Monoisotopic Mass330.07395 Da
IUPAC Name2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-chromen-4-one
Traditional NameDTHF
CAS Registry NumberNot Available
SMILES
COC1=CC2=C(C(O)=C1)C(=O)C(OC)=C(O2)C1=CC(O)=C(O)C=C1
InChI Identifier
InChI=1S/C17H14O7/c1-22-9-6-12(20)14-13(7-9)24-16(17(23-2)15(14)21)8-3-4-10(18)11(19)5-8/h3-7,18-20H,1-2H3
InChI KeyLUJAXSNNYBCFEE-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Aeonium manriquiorumPlant
Ageratina havanensisPlant
Artemisia monospermaLOTUS Database
Artemisia spp.Plant
Baccharis pilularisPlant
Blumea balsamiferaLOTUS Database
Calceolaria spp.Plant
Chrysothamnus viscidiflorusPlant
Croton schiedeanusLOTUS Database
Cyperus spp.Plant
Dioscorea bulbiferaLOTUS Database
Eirmocephala megaphyllaPlant
Eriodictyon trichocalyxPlant
Eucryphia milliganiiPlant
Eucryphia mooreiPlant
Flourensia cernuaPlant
Grindelia tarapacanaPlant
Haplopappus taedaPlant
Heliotropium pycnophyllumPlant
Heliotropium stenophyllumPlant
Holocarpha spp.Plant
Lantana camaraPlant
Larrea cuneifoliaPlant
Larrea divaricataPlant
Larrea tridentataPlant
Macaranga trilobaPlant
Melanthera bifloraLOTUS Database
Mimulus cardinalisPlant
Mirabilis viscosaPlant
Nolana rostrataLOTUS Database
Ozothamnus lycopodioidesPlant
Ozothamnus scutellifoliusPlant
Palafoxia sphacelataPlant
Pelargonium fulgidumPlant
Pelargonium quercifoliumPlant
Petunia surfiniaPlant
Rubus phoenicolasiusPlant
Salpiglossis sinuataPlant
Siegesbeckia jorullensis-
Sigesbeckia orientalis-
Solanum pennelliiPlant
Taxus chinensisPlant
Viscum albumPlant
Viscum cruciatumPlant
Vitex agnus-castusLOTUS Database
Vitis viniferaLOTUS Database
Wallastonia bifora-
Xanthocephalum gymnospermoidesLOTUS 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
  • 3-methoxyflavonoid-skeleton
  • 3'-hydroxyflavonoid
  • Hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • Flavone
  • 5-hydroxyflavonoid
  • 3-methoxychromone
  • Chromone
  • Benzopyran
  • 1-benzopyran
  • Anisole
  • Catechol
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Pyranone
  • Phenol
  • 1-hydroxy-4-unsubstituted benzenoid
  • Monocyclic benzene moiety
  • Benzenoid
  • Pyran
  • Vinylogous acid
  • Heteroaromatic compound
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP3ALOGPS
logP2.42ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)8.14ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area105.45 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity86.1 m³·mol⁻¹ChemAxon
Polarizability32.5 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0029263
DrugBank IDNot Available
Phenol Explorer Compound ID337
FoodDB IDFDB000176
KNApSAcK IDC00004638
Chemspider ID4444090
KEGG Compound IDC01265
BioCyc ID345-TRIHYDROXY-37-DIMETHOXYFLAVONE
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5280417
PDB IDNot Available
ChEBI ID18010
Good Scents IDNot Available
References
General References
  1. Qiu YK, Kang TG, Dou DQ, Liang L, Dong F: Three novel compounds from the leaves of Smallanthus sonchifolius. J Asian Nat Prod Res. 2008 Nov-Dec;10(11-12):1109-15. doi: 10.1080/10286020802361230. [PubMed:19031255 ]
  2. Komoda Y: Isolation of flavonoids from Populus nigra as delta 4-3-ketosteroid (5 alpha) reductase inhibitors. Chem Pharm Bull (Tokyo). 1989 Nov;37(11):3128-30. doi: 10.1248/cpb.37.3128. [PubMed:2632060 ]