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Record Information
Version2.0
Created at2022-09-07 13:36:01 UTC
Updated at2022-09-07 13:36:01 UTC
NP-MRD IDNP0250688
Secondary Accession NumbersNone
Natural Product Identification
Common Name9-(chloromethyl)-8,9-dihydroxy-3,6-dimethylidene-2-oxo-octahydroazuleno[4,5-b]furan-4-yl 3-chloro-2-hydroxy-2-methylpropanoate
DescriptionCentaurepensin belongs to the class of organic compounds known as guaianolides and derivatives. These are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative. 9-(chloromethyl)-8,9-dihydroxy-3,6-dimethylidene-2-oxo-octahydroazuleno[4,5-b]furan-4-yl 3-chloro-2-hydroxy-2-methylpropanoate is found in Rhaponticum repens, Centaurea glastifolia, Centaurea scoparia, Rhaponticum serratuloides and Serratula strangulata. Centaurepensin is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
Chlorohyssopifolin aMeSH
9-(Chloromethyl)-8,9-dihydroxy-3,6-dimethylidene-2-oxo-dodecahydroazuleno[4,5-b]furan-4-yl 3-chloro-2-hydroxy-2-methylpropanoic acidGenerator
Chemical FormulaC19H24Cl2O7
Average Mass435.2900 Da
Monoisotopic Mass434.08991 Da
IUPAC Name9-(chloromethyl)-8,9-dihydroxy-3,6-dimethylidene-2-oxo-dodecahydroazuleno[4,5-b]furan-4-yl 3-chloro-2-hydroxy-2-methylpropanoate
Traditional Name9-(chloromethyl)-8,9-dihydroxy-3,6-dimethylidene-2-oxo-octahydroazuleno[4,5-b]furan-4-yl 3-chloro-2-hydroxy-2-methylpropanoate
CAS Registry NumberNot Available
SMILES
CC(O)(CCl)C(=O)OC1CC(=C)C2CC(O)C(O)(CCl)C2C2OC(=O)C(=C)C12
InChI Identifier
InChI=1S/C19H24Cl2O7/c1-8-4-11(27-17(24)18(3,25)6-20)13-9(2)16(23)28-15(13)14-10(8)5-12(22)19(14,26)7-21/h10-15,22,25-26H,1-2,4-7H2,3H3
InChI KeyNUVAJKJDTZTFLK-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
Acroptilon repensLOTUS Database
Centaurea glastifoliaLOTUS Database
Centaurea scopariaLOTUS Database
Rhaponticum serratuloidesLOTUS Database
Serratula strangulataLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as guaianolides and derivatives. These are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTerpene lactones
Direct ParentGuaianolides and derivatives
Alternative Parents
Substituents
  • Guaianolide-skeleton
  • Guaiane sesquiterpenoid
  • Sesquiterpenoid
  • Dicarboxylic acid or derivatives
  • Gamma butyrolactone
  • Cyclic alcohol
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Tetrahydrofuran
  • Tertiary alcohol
  • Carboxylic acid ester
  • Chlorohydrin
  • Halohydrin
  • Lactone
  • Secondary alcohol
  • Organoheterocyclic compound
  • Oxacycle
  • Carboxylic acid derivative
  • Alkyl chloride
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Alkyl halide
  • Organohalogen compound
  • Organochloride
  • Organooxygen compound
  • Carbonyl group
  • 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
logP1.06ALOGPS
logP0.89ChemAxon
logS-2.8ALOGPS
pKa (Strongest Acidic)11.79ChemAxon
pKa (Strongest Basic)-3.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area113.29 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity100.04 m³·mol⁻¹ChemAxon
Polarizability41.28 ųChemAxon
Number of Rings3ChemAxon
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 LinkNot Available
METLIN IDNot Available
PubChem Compound322747
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]