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Record Information
Version2.0
Created at2022-09-09 22:50:51 UTC
Updated at2022-09-09 22:50:51 UTC
NP-MRD IDNP0291666
Secondary Accession NumbersNone
Natural Product Identification
Common Name2,4,7-trihydroxy-5-methoxyfluoren-9-one
DescriptionDenchrysan A belongs to the class of organic compounds known as fluorenes. Fluorenes are compounds containing a fluorene moiety, which consists of two benzene rings connected through either a cyclopentane, cyclopentene, or cyclopenta-1,3-diene. 2,4,7-trihydroxy-5-methoxyfluoren-9-one is found in Dendrobium chrysanthum. It was first documented in 2008 (PMID: 26065760). Based on a literature review very few articles have been published on Denchrysan A.
Structure
Thumb
Synonyms
ValueSource
2,4,7-Trihydroxy-5-methoxy-9-fluorenoneMeSH
Chemical FormulaC14H10O5
Average Mass258.2290 Da
Monoisotopic Mass258.05282 Da
IUPAC Name2,4,7-trihydroxy-5-methoxy-9H-fluoren-9-one
Traditional Name2,4,7-trihydroxy-5-methoxyfluoren-9-one
CAS Registry NumberNot Available
SMILES
COC1=CC(O)=CC2=C1C1=C(O)C=C(O)C=C1C2=O
InChI Identifier
InChI=1S/C14H10O5/c1-19-11-5-7(16)3-9-13(11)12-8(14(9)18)2-6(15)4-10(12)17/h2-5,15-17H,1H3
InChI KeyDILPYVBUOBXTTA-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
Dendrobium chrysanthumLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as fluorenes. Fluorenes are compounds containing a fluorene moiety, which consists of two benzene rings connected through either a cyclopentane, cyclopentene, or cyclopenta-1,3-diene.
KingdomOrganic compounds
Super ClassBenzenoids
ClassFluorenes
Sub ClassNot Available
Direct ParentFluorenes
Alternative Parents
Substituents
  • Fluorene
  • Anisole
  • Phenol ether
  • Aryl ketone
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Ketone
  • Ether
  • Polyol
  • Organic oxygen compound
  • Organooxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic 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
logP2.04ChemAxon
pKa (Strongest Acidic)8.15ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area86.99 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity68.12 m³·mol⁻¹ChemAxon
Polarizability25.25 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 ID21377079
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound71441453
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Chen Y, Li Y, Qing C, Zhang Y, Wang L, Liu Y: 1,4,5-Trihydroxy-7-methoxy-9H-fluoren-9-one, a new cytotoxic compound from Dendrobium chrysotoxum. Food Chem. 2008 Jun 1;108(3):973-6. doi: 10.1016/j.foodchem.2007.12.007. Epub 2007 Dec 14. [PubMed:26065760 ]
  2. LOTUS database [Link]