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Record Information
Version2.0
Created at2022-04-27 22:57:52 UTC
Updated at2022-04-27 22:57:52 UTC
NP-MRD IDNP0051692
Secondary Accession NumbersNone
Natural Product Identification
Common Name1,7-Dihydroxy-3,8-dimethoxyxantone
DescriptionGentiacaulein belongs to the class of organic compounds known as xanthones. These are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring. 1,7-Dihydroxy-3,8-dimethoxyxantone is found in Gentiana acaulis, Gentiana barbata, Gentiana bavarica, Gentiana brachyphylla, Gentiana ciliata, Gentiana detonsa, Gentiana favrati, Gentiana karelinii, Gentiana kochiana , Gentiana nivalis, Gentiana rostanii, Gentiana schleicheri, Gentiana utriculosa, Gentiana verna, Gentianopsis lanceolata, Gentianopsis paludosa, Haploclathra leiantha, Haploclathra paniculata, Swertia dilatata, Swertia gracilescens, Swertia nervosa, Swertia perennis, Swertia punicea, Swertia racemosa and Swertia speciosa. 1,7-Dihydroxy-3,8-dimethoxyxantone was first documented in 2003 (PMID: 14531031). Gentiacaulein is an extremely weak basic (essentially neutral) compound (based on its pKa) (PMID: 14558348) (PMID: 15646999) (PMID: 25194343).
Structure
Thumb
Synonyms
ValueSource
2,8-Dihydroxy-1,6-dimethoxyxanthoneChEBI
Chemical FormulaC15H12O6
Average Mass288.2550 Da
Monoisotopic Mass288.06339 Da
IUPAC Name2,8-dihydroxy-1,6-dimethoxy-9H-xanthen-9-one
Traditional Namegentiacaulein
CAS Registry NumberNot Available
SMILES
COC1=CC(O)=C2C(=O)C3=C(OC)C(O)=CC=C3OC2=C1
InChI Identifier
InChI=1S/C15H12O6/c1-19-7-5-9(17)12-11(6-7)21-10-4-3-8(16)15(20-2)13(10)14(12)18/h3-6,16-17H,1-2H3
InChI KeyWYOSCUWDVFHQFY-UHFFFAOYSA-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
Gentiana acaulisLOTUS Database
Gentiana barbataPlant
Gentiana bavaricaPlant
Gentiana brachyphyllaPlant
Gentiana ciliataPlant
Gentiana detonsaPlant
Gentiana favratiPlant
Gentiana kareliniiPlant
Gentiana kochianaPlant
Gentiana nivalisPlant
Gentiana rostaniiPlant
Gentiana schleicheriPlant
Gentiana utriculosaPlant
Gentiana vernaPlant
Gentianopsis lanceolataLOTUS Database
Gentianopsis paludosaPlant
Haploclathra leianthaPlant
Haploclathra paniculataPlant
Swertia dilatataPlant
Swertia gracilescensPlant
Swertia nervosaPlant
Swertia perennisPlant
Swertia puniceaPlant
Swertia racemosaPlant
Swertia speciosaPlant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthones. These are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzopyrans
Sub Class1-benzopyrans
Direct ParentXanthones
Alternative Parents
Substituents
  • Xanthone
  • Chromone
  • Anisole
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Pyranone
  • Pyran
  • Benzenoid
  • Heteroaromatic compound
  • Vinylogous ester
  • Vinylogous acid
  • Ether
  • Oxacycle
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP2.72ALOGPS
logP2.69ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)8.27ChemAxon
pKa (Strongest Basic)-3.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area85.22 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity73.7 m³·mol⁻¹ChemAxon
Polarizability28.21 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 IDC00002952
Chemspider IDNot Available
KEGG Compound IDC10064
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5281634
PDB IDNot Available
ChEBI ID5313
Good Scents IDNot Available
References
General References
  1. Chericoni S, Testai L, Calderone V, Flamini G, Nieri P, Morelli I, Martinotti E: The xanthones gentiacaulein and gentiakochianin are responsible for the vasodilator action of the roots of Gentiana kochiana. Planta Med. 2003 Aug;69(8):770-2. doi: 10.1055/s-2003-42784. [PubMed:14531031 ]
  2. Nikolaev SM, Sambueva ZG, Tsyrenzhapov AV, Nikolaeva GG, Tankhaeva LM, Glyzin VI, Dargaeva TD: [Comparative choleretic properties of natural xanthone compounds from Gentianopsis barbata]. Eksp Klin Farmakol. 2003 Jul-Aug;66(4):29-31. [PubMed:14558348 ]
  3. Hirakawa K, Yoshida M, Nagatsu A, Mizukami H, Rana V, Rawat MS, Oikawa S, Kawanishi S: Chemopreventive action of xanthone derivatives on photosensitized DNA damage. Photochem Photobiol. 2005 Mar-Apr;81(2):314-9. doi: 10.1562/2004-07-29-RA-252. [PubMed:15646999 ]
  4. Dar AA, Sangwan PL, Khan I, Gupta N, Qaudri A, Tasduq SA, Kitchlu S, Kumar A, Koul S: Simultaneous quantification of eight bioactive secondary metabolites from Codonopsis ovata by validated high performance thin layer chromatography and their antioxidant profile. J Pharm Biomed Anal. 2014 Nov;100:300-308. doi: 10.1016/j.jpba.2014.07.034. Epub 2014 Aug 7. [PubMed:25194343 ]