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Record Information
Version2.0
Created at2022-09-11 04:42:45 UTC
Updated at2022-09-11 04:42:45 UTC
NP-MRD IDNP0309841
Secondary Accession NumbersNone
Natural Product Identification
Common Name(3ar,4s,6ar,8s,9ar,9br)-4-hydroxy-3,6,9-trimethylidene-8-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-octahydroazuleno[4,5-b]furan-2-one
DescriptionCrepiside E 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. (3ar,4s,6ar,8s,9ar,9br)-4-hydroxy-3,6,9-trimethylidene-8-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-octahydroazuleno[4,5-b]furan-2-one is found in Elephantopus scaber, Lapsana communis and Youngia japonica. (3ar,4s,6ar,8s,9ar,9br)-4-hydroxy-3,6,9-trimethylidene-8-{[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-octahydroazuleno[4,5-b]furan-2-one was first documented in 2018 (PMID: 29935428). Based on a literature review a small amount of articles have been published on Crepiside E (PMID: 30847632) (PMID: 35621325).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC21H28O9
Average Mass424.4460 Da
Monoisotopic Mass424.17333 Da
IUPAC Name(3aR,4S,6aR,8S,9aR,9bR)-4-hydroxy-3,6,9-trimethylidene-8-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-dodecahydroazuleno[4,5-b]furan-2-one
Traditional Name(3aR,4S,6aR,8S,9aR,9bR)-4-hydroxy-3,6,9-trimethylidene-8-{[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-octahydroazuleno[4,5-b]furan-2-one
CAS Registry NumberNot Available
SMILES
OC[C@H]1O[C@@H](O[C@H]2C[C@@H]3[C@@H]([C@H]4OC(=O)C(=C)[C@@H]4[C@@H](O)CC3=C)C2=C)[C@H](O)[C@@H](O)[C@@H]1O
InChI Identifier
InChI=1S/C21H28O9/c1-7-4-11(23)15-9(3)20(27)30-19(15)14-8(2)12(5-10(7)14)28-21-18(26)17(25)16(24)13(6-22)29-21/h10-19,21-26H,1-6H2/t10-,11-,12-,13+,14-,15+,16+,17-,18+,19+,21+/m0/s1
InChI KeyXNFZJASXPNFCQW-BHFRCIHZSA-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
Elephantopus scaberLOTUS Database
Lapsana communis L.LOTUS Database
Youngia japonicaLOTUS 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
  • Terpene glycoside
  • Guaiane sesquiterpenoid
  • Sesquiterpenoid
  • Hexose monosaccharide
  • Glycosyl compound
  • O-glycosyl compound
  • Gamma butyrolactone
  • Monosaccharide
  • Oxane
  • Tetrahydrofuran
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Cyclic alcohol
  • Carboxylic acid ester
  • Secondary alcohol
  • Lactone
  • Monocarboxylic acid or derivatives
  • Acetal
  • Oxacycle
  • Organoheterocyclic compound
  • Carboxylic acid derivative
  • Polyol
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Primary alcohol
  • Carbonyl group
  • Alcohol
  • Organooxygen compound
  • 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
logP-1.3ChemAxon
pKa (Strongest Acidic)12.21ChemAxon
pKa (Strongest Basic)-2.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area145.91 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity101.47 m³·mol⁻¹ChemAxon
Polarizability42.66 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00020507
Chemspider ID8020954
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound9845240
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Kumar MS, R A, Bhaskaran S, D DR, Nair AS, R SP: Molecular docking and dynamic studies of crepiside E beta glucopyranoside as an inhibitor of snake venom PLA2. J Mol Model. 2019 Mar 8;25(4):88. doi: 10.1007/s00894-019-3954-2. [PubMed:30847632 ]
  2. Milutinovic VM, Matic IZ, Stanojkovic TP, Sokovic MD, Ciric AD, Usjak LJ, Niketic MS, Petrovic SD: Antimicrobial and Cytotoxic Activities of Selected Hieracium L. s. str. (Asteraceae) Extracts and Isolated Sesquiterpene Lactones. Chem Biodivers. 2022 Jul;19(7):e202200326. doi: 10.1002/cbdv.202200326. Epub 2022 Jun 8. [PubMed:35621325 ]
  3. Milutinovic V, Niketic M, Krunic A, Nikolic D, Petkovic M, Usjak L, Petrovic S: Sesquiterpene lactones from the methanol extracts of twenty-eight Hieracium species from the Balkan Peninsula and their chemosystematic significance. Phytochemistry. 2018 Oct;154:19-30. doi: 10.1016/j.phytochem.2018.06.008. Epub 2018 Jun 20. [PubMed:29935428 ]
  4. LOTUS database [Link]