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Record Information
Version2.0
Created at2022-09-05 15:49:36 UTC
Updated at2022-09-05 15:49:36 UTC
NP-MRD IDNP0216018
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-3-hydroxybutanedioic acid
DescriptionTrans-caftaric acid belongs to the class of organic compounds known as coumaric acids and derivatives. These are aromatic compounds containing Aromatic compounds containing a cinnamic acid moiety (or a derivative thereof) hydroxylated at the C2 (ortho-), C3 (meta-), or C4 (para-) carbon atom of the benzene ring. Intact trans-caftaric acid was detected in rat plasma along with its O-methylated derivative trans-fertaric acid. Trans-caftaric acid is an extremely weak basic (essentially neutral) compound (based on its pKa). Grape reaction product (2-S glutathionyl caftaric acid) is an oxidation compound produced from caftaric acid and found in wine. Caftaric acid is a non-flavanoid phenolic compound. Malvidin 3-glucoside alone is not oxidized in the presence of grape polyphenol oxidase (PPO), whereas it is degraded in the presence of a crude grape PPO extract and of caftaric acid, forming anthocyanidin-caftaric acid adducts. Aside from wine, it is abundantly present in raisins. Caftaric acid has a good bioavailability when fed in rats. Winemakers measure caftaric acid levels as their primary method to estimate the oxidation levels that a wine has undergone. For example, press wines, which undergo a high degree of oxidation, will have little to no caftaric acid. Caffeic acid is susceptible to chemical oxidation, and subsequent redox reactions involving caffeic acid can contribute to wine browning over time, and the straw-gold color that can develop in some white wines after bottling. 2-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-3-hydroxybutanedioic acid is found in Vitis vinifera. It is an esterified phenolic acid, composed of caffeic acid, a hydroxycinnamate produced by plants, and tartaric acid, the principal organic acid found in grape berries.
Structure
Thumb
Synonyms
ValueSource
trans-CaftarateGenerator
2-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-3-hydroxybutanedioateGenerator
Chemical FormulaC13H12O9
Average Mass312.2300 Da
Monoisotopic Mass312.04813 Da
IUPAC Name2-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-3-hydroxybutanedioic acid
Traditional Name2-{[3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-3-hydroxybutanedioic acid
CAS Registry NumberNot Available
SMILES
OC(C(OC(=O)C=CC1=CC=C(O)C(O)=C1)C(O)=O)C(O)=O
InChI Identifier
InChI=1S/C13H12O9/c14-7-3-1-6(5-8(7)15)2-4-9(16)22-11(13(20)21)10(17)12(18)19/h1-5,10-11,14-15,17H,(H,18,19)(H,20,21)
InChI KeySWGKAHCIOQPKFW-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
Vitis viniferaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as coumaric acids and derivatives. These are aromatic compounds containing Aromatic compounds containing a cinnamic acid moiety (or a derivative thereof) hydroxylated at the C2 (ortho-), C3 (meta-), or C4 (para-) carbon atom of the benzene ring.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassCinnamic acids and derivatives
Sub ClassHydroxycinnamic acids and derivatives
Direct ParentCoumaric acids and derivatives
Alternative Parents
Substituents
  • Cinnamic acid ester
  • Coumaric acid or derivatives
  • Tricarboxylic acid or derivatives
  • Styrene
  • Catechol
  • 1-hydroxy-2-unsubstituted benzenoid
  • 1-hydroxy-4-unsubstituted benzenoid
  • Sugar acid
  • Fatty acid ester
  • Phenol
  • Beta-hydroxy acid
  • Fatty acyl
  • Benzenoid
  • Hydroxy acid
  • Alpha-hydroxy acid
  • Monosaccharide
  • Monocyclic benzene moiety
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Carboxylic acid ester
  • Secondary alcohol
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Alcohol
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic 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
logP1.68ALOGPS
logP0.6ChemAxon
logS-2.6ALOGPS
pKa (Strongest Acidic)2.96ChemAxon
pKa (Strongest Basic)-4.3ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area161.59 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity69.74 m³·mol⁻¹ChemAxon
Polarizability28.11 ųChemAxon
Number of Rings1ChemAxon
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 LinkCaftaric acid
METLIN IDNot Available
PubChem Compound53398694
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]