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Record Information
Version2.0
Created at2021-01-05 21:13:22 UTC
Updated at2021-07-15 17:09:21 UTC
NP-MRD IDNP0011584
Secondary Accession NumbersNone
Natural Product Identification
Common NameHelicusin E
Provided ByNPAtlasNPAtlas Logo
DescriptionHelicusin E belongs to the class of organic compounds known as azaphilones. These are a structurally variable family of fungal polyketide metabolites possessing a highly oxygenated pyranoquinone bicyclic core, usually known as isochromene, and a quaternary carbon center. Helicusin E is found in Bartalinia and Bartalinia robillardoides. Helicusin E was first documented in 2013 (PMID: 23481677). Based on a literature review very few articles have been published on Helicusin E.
Structure
Thumb
Synonyms
ValueSource
(3E)-5-{[(7S)-5-chloro-3-(3,4-dihydroxy-3,5-dimethylhept-1-en-1-yl)-7-methyl-6,8-dioxo-7,8-dihydro-6H-isochromen-7-yl]oxy}-3-methyl-5-oxopent-3-enoateGenerator
Chemical FormulaC25H29ClO9
Average Mass508.9500 Da
Monoisotopic Mass508.15001 Da
IUPAC Name(3E)-5-{[(7S)-5-chloro-3-[(3S,4R,5S)-3,4-dihydroxy-3,5-dimethylhept-1-en-1-yl]-7-methyl-6,8-dioxo-7,8-dihydro-6H-isochromen-7-yl]oxy}-3-methyl-5-oxopent-3-enoic acid
Traditional Name(3E)-5-{[(7S)-5-chloro-3-[(3S,4R,5S)-3,4-dihydroxy-3,5-dimethylhept-1-en-1-yl]-7-methyl-6,8-dioxoisochromen-7-yl]oxy}-3-methyl-5-oxopent-3-enoic acid
CAS Registry NumberNot Available
SMILES
CCC(C)C(O)C(C)(O)C=CC1=CC2=C(Cl)C(=O)[C@@](C)(OC(=O)\C=C(/C)CC(O)=O)C(=O)C2=CO1
InChI Identifier
InChI=1S/C25H29ClO9/c1-6-14(3)21(30)24(4,33)8-7-15-11-16-17(12-34-15)22(31)25(5,23(32)20(16)26)35-19(29)10-13(2)9-18(27)28/h7-8,10-12,14,21,30,33H,6,9H2,1-5H3,(H,27,28)/b8-7?,13-10+/t14?,21?,24?,25-/m0/s1
InChI KeyKRQJBTNVZHCANM-NVYBTJKXSA-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
BartaliniaNPAtlas
Bartalinia robillardoidesLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as azaphilones. These are a structurally variable family of fungal polyketide metabolites possessing a highly oxygenated pyranoquinone bicyclic core, usually known as isochromene, and a quaternary carbon center.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzaphilones
Sub ClassNot Available
Direct ParentAzaphilones
Alternative Parents
Substituents
  • Azaphilone
  • Cyclohexenone
  • Alpha-acyloxy ketone
  • Methyl-branched fatty acid
  • Hydroxy fatty acid
  • Heterocyclic fatty acid
  • Halogenated fatty acid
  • Fatty acid ester
  • Branched fatty acid
  • Fatty acyl
  • Unsaturated fatty acid
  • Pyran
  • Dicarboxylic acid or derivatives
  • Alpha-haloketone
  • Alpha-chloroketone
  • Vinylogous ester
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Tertiary alcohol
  • Cyclic ketone
  • Secondary alcohol
  • Ketone
  • Carboxylic acid ester
  • 1,2-diol
  • Oxacycle
  • Chloroalkene
  • Haloalkene
  • Vinyl halide
  • Vinyl chloride
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organochloride
  • Organohalogen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic 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
logP3.03ALOGPS
logP2.82ChemAxon
logS-5ALOGPS
pKa (Strongest Acidic)3.85ChemAxon
pKa (Strongest Basic)-3.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area147.43 ŲChemAxon
Rotatable Bond Count10ChemAxon
Refractivity130.95 m³·mol⁻¹ChemAxon
Polarizability52.75 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
NPAtlas IDNPA011532
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 LinkNot Available
METLIN IDNot Available
PubChem Compound139586303
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Jansen N, Ohlendorf B, Erhard A, Bruhn T, Bringmann G, Imhoff JF: Helicusin E, isochromophilone X and isochromophilone XI: new chloroazaphilones produced by the fungus Bartalinia robillardoides strain LF550. Mar Drugs. 2013 Mar 12;11(3):800-16. doi: 10.3390/md11030800. [PubMed:23481677 ]