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Record Information
Version2.0
Created at2022-09-11 10:29:47 UTC
Updated at2022-09-11 10:29:48 UTC
NP-MRD IDNP0313148
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-{[hydroxy(8-hydroxy-3-methyl-1-oxo-3,4-dihydro-2-benzopyran-7-yl)methylidene]amino}-3-phenylpropanoic acid
DescriptionOchratoxin B belongs to the class of organic compounds known as ochratoxins and related substances. These are a group of chemically related metabolites containing a 3,4-dihydro-3-methylisocoumarin moiety linked through a carboxyl group to L-beta-phenylalanine by a secondary amine bond. Ochratoxin B is thought to inhibit the accumulation of cartilage proteoglycans and general protein synthesis in a concentration-related manner. Ochratoxin B is an extremely weak basic (essentially neutral) compound (based on its pKa). Ochratoxin B is a potentially toxic compound. Ochratoxin A has been shown to be nephrotoxic; might delay sexual maturation. These are compounds containing the ochratoxin skeleton, which is structurally characterized by the presence of a 3-phenylpropanoic acid N-linked to a 8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxamide moiety. Ochratoxin B belongs to the family of Ochratoxins and related substances. 2-{[hydroxy(8-hydroxy-3-methyl-1-oxo-3,4-dihydro-2-benzopyran-7-yl)methylidene]amino}-3-phenylpropanoic acid is found in Aspergillus ochraceus. Ochratoxin exposure has been associated with acute tubular necrosis and Balkan endemic nephropathy.
Structure
Thumb
Synonyms
ValueSource
2-{[hydroxy(8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl)methylidene]amino}-3-phenylpropanoateGenerator
Chemical FormulaC20H19NO6
Average Mass369.3680 Da
Monoisotopic Mass369.12124 Da
IUPAC Name2-{[hydroxy(8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl)methylidene]amino}-3-phenylpropanoic acid
Traditional Name2-{[hydroxy(8-hydroxy-3-methyl-1-oxo-3,4-dihydro-2-benzopyran-7-yl)methylidene]amino}-3-phenylpropanoic acid
CAS Registry NumberNot Available
SMILES
CC1CC2=C(C(=O)O1)C(O)=C(C=C2)C(O)=NC(CC1=CC=CC=C1)C(O)=O
InChI Identifier
InChI=1S/C20H19NO6/c1-11-9-13-7-8-14(17(22)16(13)20(26)27-11)18(23)21-15(19(24)25)10-12-5-3-2-4-6-12/h2-8,11,15,22H,9-10H2,1H3,(H,21,23)(H,24,25)
InChI KeyDAEYIVCTQUFNTM-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
Aspergillus ochraceusLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as ochratoxins and related substances. These are a group of chemically related metabolites containing a 3,4-dihydro-3-methylisocoumarin moiety linked through a carboxyl group to L-beta-phenylalanine by a secondary amine bond.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassOchratoxins and related substances
Sub ClassNot Available
Direct ParentOchratoxins and related substances
Alternative Parents
Substituents
  • Ochratoxin-skeleton
  • Phenylalanine or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • 3-phenylpropanoic-acid
  • Alpha-amino acid or derivatives
  • Amphetamine or derivatives
  • Salicylic acid or derivatives
  • 2-benzopyran
  • Isochromane
  • Benzopyran
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Dicarboxylic acid or derivatives
  • Monocyclic benzene moiety
  • Vinylogous acid
  • Lactone
  • Secondary carboxylic acid amide
  • Carboxylic acid ester
  • Carboxamide group
  • Oxacycle
  • Carboxylic acid derivative
  • Organoheterocyclic compound
  • Carboxylic acid
  • Organic oxygen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen 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
logP2.89ALOGPS
logP4.83ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)3.25ChemAxon
pKa (Strongest Basic)0.57ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area116.42 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity97.49 m³·mol⁻¹ChemAxon
Polarizability37.01 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0029401
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB000490
KNApSAcK IDC00037570
Chemspider ID529965
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound609663
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]