Np mrd loader

Record Information
Version2.0
Created at2022-09-03 05:00:26 UTC
Updated at2022-09-03 05:00:26 UTC
NP-MRD IDNP0169110
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-(3,4-dihydroxyphenyl)-4-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-8-yl]-3,4-dihydro-2h-1-benzopyran-3,5,7-triol
DescriptionEnt-Epicatechin(4alpha->8)catechin, also known as procyanidin b, belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''. Ent-Epicatechin(4alpha->8)catechin is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, ent-Epicatechin(4alpha->8)catechin has been detected, but not quantified in, sago palms. 2-(3,4-dihydroxyphenyl)-4-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2h-1-benzopyran-8-yl]-3,4-dihydro-2h-1-benzopyran-3,5,7-triol is found in Acacia baileyana, Actinidia chinensis, Aesculus hippocastanum, Alhagi sparsifolia, Areca catechu, Banisteriopsis caapi, Begonia fagifolia, Bischofia javanica, Byrsonima crassifolia, Camellia reticulata, Camellia sinensis, Cassia fistula, Chimarrhis turbinata, Cinchona pubescens, Cinnamomum aromaticum, Cinnamomum bejolghota, Cinnamomum burmannii, Cistus incanus, Cola acuminata, Coleogyne ramosissima, Crataegus rhipidophylla, Crataegus sinaica, Croton lechleri, Cryptocarya obovata, Dioscorea bulbifera, Dioscorea cirrhosa, Erythroxylum novogranatense, Eucalyptus ovata, Fallopia multiflora, Garcinia mangostana, Geranium thunbergii, Guazuma ulmifolia, Hamamelis virginiana, Hibiscus cannabinus, Hypericum perforatum, Illicium anisatum, Juglans sigillata, Juniperus sabina, Kandelia candel, Litchi chinensis, Lotus corniculatus, Lotus uliginosus, Malus pumila, Gymnosporia senegalensis, Melastoma candidum, Nelia pillansii, Paullinia cupana, Pinus sylvestris, Platanus orientalis, Potentilla longifolia, Pseudotsuga menziesii, Psidium guajava, Pyrola incarnata, Quercus dentata, Quercus ilex, Quercus miyagii, Quercus phillyraeoides, Quercus robur, Rhizophora stylosa, Rhodiola semenovii, Rhododendron dauricum, Rosa henryi, Rumex acetosa, Saraca asoca, Terminalia catappa, Theobroma cacao, Toona sinensis, Trichilia catigua, Vaccinium vitis-idaea, Vicia faba, Zanthoxylum piperitum and Ziziphus jujuba. This could make ent-epicatechin(4alpha->8)catechin a potential biomarker for the consumption of these foods.
Structure
Thumb
Synonyms
ValueSource
ent-Epicatechin(4a->8)catechinGenerator
ent-Epicatechin(4α->8)catechinGenerator
ent-Epicatechin-(4alpha->8)-catechinHMDB
Procyanidin bHMDB
ent-Epicatechin-(4a->8)-catechinGenerator
ent-Epicatechin-(4α->8)-catechinGenerator
Chemical FormulaC30H26O12
Average Mass578.5202 Da
Monoisotopic Mass578.14243 Da
IUPAC Name2-(3,4-dihydroxyphenyl)-8-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
Traditional Nameproanthocyanidin B1
CAS Registry NumberNot Available
SMILES
OC1CC2=C(O)C=C(O)C(C3C(O)C(OC4=CC(O)=CC(O)=C34)C3=CC=C(O)C(O)=C3)=C2OC1C1=CC=C(O)C(O)=C1
InChI Identifier
InChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2
InChI KeyXFZJEEAOWLFHDH-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
Acacia baileyanaLOTUS Database
Actinidia chinensisLOTUS Database
Aesculus hippocastanumLOTUS Database
Alhagi sparsifoliaLOTUS Database
Areca catechuLOTUS Database
Banisteriopsis caapiLOTUS Database
Begonia fagifoliaLOTUS Database
Bischofia javanicaLOTUS Database
Byrsonima crassifoliaLOTUS Database
Camellia reticulataLOTUS Database
Camellia sinensisLOTUS Database
Cassia fistulaLOTUS Database
Chimarrhis turbinataLOTUS Database
Cinchona pubescensLOTUS Database
Cinnamomum aromaticumLOTUS Database
Cinnamomum bejolghotaLOTUS Database
Cinnamomum burmanniLOTUS Database
Cistus incanusLOTUS Database
Cola acuminataLOTUS Database
Coleogyne ramosissimaLOTUS Database
Crataegus rhipidophyllaLOTUS Database
Crataegus sinaicaLOTUS Database
Croton lechleriLOTUS Database
Cryptocarya obovataLOTUS Database
Dioscorea bulbiferaLOTUS Database
Dioscorea cirrhosaLOTUS Database
Erythroxylum novogranatenseLOTUS Database
Eucalyptus ovataLOTUS Database
Fallopia multifloraLOTUS Database
Garcinia mangostanaLOTUS Database
Geranium thunbergiiLOTUS Database
Guazuma ulmifoliaLOTUS Database
Hamamelis virginianaLOTUS Database
Hibiscus cannabinusLOTUS Database
Hypericum perforatumLOTUS Database
Illicium anisatumLOTUS Database
Juglans sigillataLOTUS Database
Juniperus sabinaLOTUS Database
Kandelia candelLOTUS Database
Litchi chinensisLOTUS Database
Lotus corniculatusLOTUS Database
Lotus uliginosusLOTUS Database
Malus pumilaLOTUS Database
Maytenus senegalensisLOTUS Database
Melastoma candidumLOTUS Database
Nelia pillansiiLOTUS Database
Paullinia cupanaLOTUS Database
Pinus sylvestrisLOTUS Database
Platanus orientalisLOTUS Database
Potentilla viscosaLOTUS Database
Pseudotsuga menziesiiLOTUS Database
Psidium guajavaLOTUS Database
Pyrola incarnataLOTUS Database
Quercus dentataLOTUS Database
Quercus ilexLOTUS Database
Quercus miyagiiLOTUS Database
Quercus phillyraeoidesLOTUS Database
Quercus roburLOTUS Database
Rhizophora stylosaLOTUS Database
Rhodiola semenoviiLOTUS Database
Rhododendron dauricumLOTUS Database
Rosa henryiLOTUS Database
Rumex acetosaLOTUS Database
Saraca asocaLOTUS Database
Terminalia catappaLOTUS Database
Theobroma cacaoLOTUS Database
Toona sinensisLOTUS Database
Trichilia catiguaLOTUS Database
Vaccinium vitis-idaeaLOTUS Database
Vicia fabaLOTUS Database
Zanthoxylum piperitumLOTUS Database
Ziziphus jujubaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassBiflavonoids and polyflavonoids
Direct ParentBiflavonoids and polyflavonoids
Alternative Parents
Substituents
  • B-type proanthocyanidin
  • Bi- and polyflavonoid skeleton
  • Proanthocyanidin
  • Catechin
  • Flavan-3-ol
  • Hydroxyflavonoid
  • 3'-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 3-hydroxyflavonoid
  • Flavan
  • Chromane
  • 1-benzopyran
  • Benzopyran
  • Catechol
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Secondary alcohol
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Hydrocarbon derivative
  • Alcohol
  • Organic oxygen compound
  • Organooxygen compound
  • 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
logP2.29ALOGPS
logP3.12ChemAxon
logS-3.6ALOGPS
pKa (Strongest Acidic)8.69ChemAxon
pKa (Strongest Basic)-5.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count12ChemAxon
Hydrogen Donor Count10ChemAxon
Polar Surface Area220.76 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity146.51 m³·mol⁻¹ChemAxon
Polarizability56.91 ųChemAxon
Number of Rings6ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0037968
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB017144
KNApSAcK IDC00009078
Chemspider ID115490
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound130556
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]