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Record Information
Version2.0
Created at2021-06-19 22:18:36 UTC
Updated at2021-06-29 23:59:33 UTC
NP-MRD IDNP0031145
Secondary Accession NumbersNone
Natural Product Identification
Common Nameepigallocatechin-3-O-(3'-O-methyl)gallate
Provided ByJEOL DatabaseJEOL Logo
Description(-)-Epigallocatechin 3-(3-methyl-gallate), also known as 3-O-(3-O-methylgalloyl)epigallocatechin or egcg3''me, belongs to the class of organic compounds known as catechin gallates. These are organic compounds containing a gallate moiety glycosidically linked to a catechin (-)-Epigallocatechin 3-(3-methyl-gallate) is found, on average, in the highest concentration within a few different foods, such as teas (Camellia sinensis), red tea, and herbal tea and in a lower concentration in green tea and black tea. This could make (-)-epigallocatechin 3-(3-methyl-gallate) a potential biomarker for the consumption of these foods. epigallocatechin-3-O-(3'-O-methyl)gallate is found in Camellia sinensis and Limonium sinense. epigallocatechin-3-O-(3'-O-methyl)gallate was first documented in 1996 (Davis, A. L., et al.). Based on a literature review very few articles have been published on (-)-Epigallocatechin 3-(3-methyl-gallate).
Structure
Thumb
Synonyms
ValueSource
(-)-Epigallocatechin 3-(3-methyl-gallic acid)Generator
3-O-(3-O-Methylgalloyl)epigallocatechinHMDB
Epigallocatechin 3-(3-methyl-gallate)HMDB
Epigallocatechin 3-(3-O-methyl-gallate)HMDB
Epigallocatechin 3-O-(3-O-methylgallate)HMDB
Epigallocatechin-3-O-(3''-O-methyl)-gallateHMDB
Epigallocatechin 3-O-(3-O-methylgallic acid)HMDB
EGCG3''meHMDB
Epigallocatechin 3-(3-methylgallic acid)Generator
Chemical FormulaC23H20O11
Average Mass472.3983 Da
Monoisotopic Mass472.10056 Da
IUPAC Name(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-yl 3,4-dihydroxy-5-methoxybenzoate
Traditional Name(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-yl 3,4-dihydroxy-5-methoxybenzoate
CAS Registry NumberNot Available
SMILES
[H]OC1=C([H])C(O[H])=C2C(O[C@]([H])(C3=C([H])C(O[H])=C(O[H])C(O[H])=C3[H])[C@]([H])(OC(=O)C3=C([H])C(OC([H])([H])[H])=C(O[H])C(O[H])=C3[H])C2([H])[H])=C1[H]
InChI Identifier
InChI=1S/C23H20O11/c1-32-18-5-10(4-16(28)21(18)30)23(31)34-19-8-12-13(25)6-11(24)7-17(12)33-22(19)9-2-14(26)20(29)15(27)3-9/h2-7,19,22,24-30H,8H2,1H3/t19-,22-/m1/s1
InChI KeyWVRDOLPMKOCJRJ-DENIHFKCSA-N
Experimental Spectra
Spectrum TypeDescriptionDepositor EmailDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 400 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Camellia sinensisPlant
Limonium sinenseLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as catechin gallates. These are organic compounds containing a gallate moiety glycosidically linked to a catechin.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavans
Direct ParentCatechin gallates
Alternative Parents
Substituents
  • Catechin gallate
  • Hydrolyzable tannin
  • Epigallocatechin
  • 3'-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Hydroxyflavonoid
  • Tannin
  • Gallic acid or derivatives
  • P-hydroxybenzoic acid alkyl ester
  • M-hydroxybenzoic acid ester
  • P-hydroxybenzoic acid ester
  • Dihydroxybenzoic acid
  • M-methoxybenzoic acid or derivatives
  • Benzoate ester
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Methoxyphenol
  • Pyrogallol derivative
  • Benzenetriol
  • Benzoic acid or derivatives
  • Phenol ether
  • Methoxybenzene
  • Anisole
  • Catechol
  • Phenoxy compound
  • Benzoyl
  • Alkyl aryl ether
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Carboxylic acid ester
  • Monocarboxylic acid or derivatives
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Carboxylic acid derivative
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen 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
logP2.66ALOGPS
logP3.22ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)8.48ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count10ChemAxon
Hydrogen Donor Count7ChemAxon
Polar Surface Area186.37 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity116.23 m³·mol⁻¹ChemAxon
Polarizability44.53 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0038363
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB017703
KNApSAcK IDC00008883
Chemspider ID7980602
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound9804842
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Davis, A. L., et al. (1996). Davis, A. L., et al, Magn. Reson. Chem. 34, 887 (1996). Mag. Reson. Chem..