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Record Information
Version2.0
Created at2020-09-23 01:58:01 UTC
Updated at2021-08-10 02:55:33 UTC
NP-MRD IDNP0001598
Secondary Accession NumbersNone
Natural Product Identification
Common NameEkatetrone
Provided ByNPAtlasNPAtlas Logo
Description2-[(1S)-10,12-dihydroxy-3,6,11-trioxo-3,4,6,11-tetrahydro-1H-2-oxatetracen-1-yl]ethanimidic acid belongs to the class of organic compounds known as isochromanequinones. These are polycyclic compounds containing an isochromanequinone, which is structurally characterized by a quinone fused to an isochromane, and forming a naphtho[2,3-c]pyran-6,9-dione skeleton. Ekatetrone is found in Kitasatospora aureofaciens, Streptomyces and Streptomyces aureofaciens. Ekatetrone was first documented in 1978 (PMID: 101501). Based on a literature review very few articles have been published on 2-[(1S)-10,12-dihydroxy-3,6,11-trioxo-3,4,6,11-tetrahydro-1H-2-oxatetracen-1-yl]ethanimidic acid.
Structure
Data?1628564133
Synonyms
ValueSource
2-[(1S)-10,12-Dihydroxy-3,6,11-trioxo-3,4,6,11-tetrahydro-1H-2-oxatetracen-1-yl]ethanimidateGenerator
Chemical FormulaC19H13NO7
Average Mass367.3130 Da
Monoisotopic Mass367.06920 Da
IUPAC Name2-[(1S)-10,12-dihydroxy-3,6,11-trioxo-3,4,6,11-tetrahydro-1H-2-oxatetracen-1-yl]acetamide
Traditional Name2-[(1S)-10,12-dihydroxy-3,6,11-trioxo-1,4-dihydro-2-oxatetracen-1-yl]acetamide
CAS Registry NumberNot Available
SMILES
[H]OC1=C2C(=O)C3=C(C([H])=C4C(=C3O[H])[C@@]([H])(OC(=O)C4([H])[H])C([H])([H])C(=O)N([H])[H])C(=O)C2=C([H])C([H])=C1[H]
InChI Identifier
InChI=1S/C19H13NO7/c20-12(22)6-11-14-7(5-13(23)27-11)4-9-16(18(14)25)19(26)15-8(17(9)24)2-1-3-10(15)21/h1-4,11,21,25H,5-6H2,(H2,20,22)/t11-/m0/s1
InChI KeyQZENCFIHIPLZMU-NSHDSACASA-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
Kitasatospora aureofaciensLOTUS Database
StreptomycesNPAtlas
Streptomyces aureofaciensBacteria
Chemical Taxonomy
Description Belongs to the class of organic compounds known as isochromanequinones. These are polycyclic compounds containing an isochromanequinone, which is structurally characterized by a quinone fused to an isochromane, and forming a naphtho[2,3-c]pyran-6,9-dione skeleton.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassIsochromanequinones
Sub ClassNot Available
Direct ParentIsochromanequinones
Alternative Parents
Substituents
  • 9,10-anthraquinone
  • Anthraquinone
  • Isochromanequinone
  • Naphthopyranone
  • Anthracene
  • Naphthopyran
  • Benzopyran
  • Isochromane
  • 2-benzopyran
  • Aryl ketone
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Pyranone
  • Benzenoid
  • Pyran
  • Vinylogous acid
  • Carboxylic acid ester
  • Lactone
  • Carboxamide group
  • Ketone
  • Primary carboxylic acid amide
  • Oxacycle
  • Organoheterocyclic compound
  • Carboxylic acid derivative
  • Monocarboxylic acid or derivatives
  • Organic oxygen compound
  • Carbonyl group
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • 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
logP1.94ALOGPS
logP2.11ChemAxon
logS-3.4ALOGPS
pKa (Strongest Acidic)7.54ChemAxon
pKa (Strongest Basic)-2.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area143.99 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity92.02 m³·mol⁻¹ChemAxon
Polarizability35.46 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
NPAtlas IDNPA021095
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID59700842
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound92272322
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Podojil M, Vanek Z, Prikrylova V, Blumauerova M: Isolation of ekatetrone, a new metabolite of producing variants of Streptomyces aureofaciens. J Antibiot (Tokyo). 1978 Sep;31(9):850-4. doi: 10.7164/antibiotics.31.850. [PubMed:101501 ]