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Record Information
Version2.0
Created at2022-09-07 17:15:04 UTC
Updated at2022-09-07 17:15:04 UTC
NP-MRD IDNP0253391
Secondary Accession NumbersNone
Natural Product Identification
Common Name6-(hydroxymethyl)-1,6-dimethyl-7h,8h,9h-phenanthro[1,2-b]furan-10,11-dione
DescriptionTanshinone IIb, also known as TTE-50, belongs to the class of organic compounds known as tanshinones, isotanshinones, and derivatives. These are a group of abietane-type norditerpenoid quinones. 6-(hydroxymethyl)-1,6-dimethyl-7h,8h,9h-phenanthro[1,2-b]furan-10,11-dione is found in Salvia miltiorrhiza and Salvia przewalskii. Tanshinone IIb is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
Tanshinone IMeSH
TTE-50MeSH
Tanshinone II bMeSH
TanshinoneMeSH
Tanshinone II aMeSH
Tanshinone iiaMeSH
Chemical FormulaC19H18O4
Average Mass310.3490 Da
Monoisotopic Mass310.12051 Da
IUPAC Name6-(hydroxymethyl)-6,14-dimethyl-12-oxatetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-1,7,9,11(15),13-pentaene-16,17-dione
Traditional Name6-(hydroxymethyl)-6,14-dimethyl-12-oxatetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-1,7,9,11(15),13-pentaene-16,17-dione
CAS Registry NumberNot Available
SMILES
CC1=COC2=C1C(=O)C(=O)C1=C3CCCC(C)(CO)C3=CC=C21
InChI Identifier
InChI=1S/C19H18O4/c1-10-8-23-18-12-5-6-13-11(4-3-7-19(13,2)9-20)15(12)17(22)16(21)14(10)18/h5-6,8,20H,3-4,7,9H2,1-2H3
InChI KeyXDUXBBDRILEIEZ-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
Salvia miltiorrhizaLOTUS Database
Salvia przewalskiiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tanshinones, isotanshinones, and derivatives. These are a group of abietane-type norditerpenoid quinones.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentTanshinones, isotanshinones, and derivatives
Alternative Parents
Substituents
  • Tanshinone skeleton
  • Phenanthrene
  • Naphthofuran
  • Naphthalene
  • Tetralin
  • O-quinone
  • Quinone
  • Aryl ketone
  • Benzenoid
  • Heteroaromatic compound
  • Furan
  • Ketone
  • Oxacycle
  • Organoheterocyclic compound
  • Primary alcohol
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Organic oxide
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic 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
logP3.31ALOGPS
logP3.25ChemAxon
logS-4ALOGPS
pKa (Strongest Acidic)14.98ChemAxon
pKa (Strongest Basic)-2.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area67.51 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity86.86 m³·mol⁻¹ChemAxon
Polarizability33.85 ųChemAxon
Number of Rings4ChemAxon
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 Compound318797
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]