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Record Information
Version2.0
Created at2022-04-28 00:41:15 UTC
Updated at2022-04-28 00:41:15 UTC
NP-MRD IDNP0054273
Secondary Accession NumbersNone
Natural Product Identification
Common NameSikokianin C
DescriptionSikokianin C belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''. Sikokianin C is found in Wikstroemia indica and Wikstroemia sikokiana. Sikokianin C was first documented in 2004 (PMID: 14765300). Based on a literature review a small amount of articles have been published on Sikokianin C (PMID: 15635251) (PMID: 30108905).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC31H24O10
Average Mass556.5230 Da
Monoisotopic Mass556.13695 Da
IUPAC Name(2S,3R)-3-[(2R,3S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl]-5,7-dihydroxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name(2S,3R)-3-[(2R,3S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-2,3-dihydro-1-benzopyran-3-yl]-5,7-dihydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
COC1=CC=C(C=C1)[C@H]1OC2=CC(O)=CC(O)=C2C(=O)[C@@H]1[C@H]1[C@@H](OC2=CC(O)=CC(O)=C2C1=O)C1=CC=C(O)C=C1
InChI Identifier
InChI=1S/C31H24O10/c1-39-19-8-4-15(5-9-19)31-27(29(38)25-21(36)11-18(34)13-23(25)41-31)26-28(37)24-20(35)10-17(33)12-22(24)40-30(26)14-2-6-16(32)7-3-14/h2-13,26-27,30-36H,1H3/t26-,27+,30+,31-/m1/s1
InChI KeyQOPUSVUZHPIYER-VGGPVXIDSA-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
Wikstroemia indicaPlant
Wikstroemia sikokianaPlant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassBiflavonoids and polyflavonoids
Direct ParentBiflavonoids and polyflavonoids
Alternative Parents
Substituents
  • Bi- and polyflavonoid skeleton
  • 4p-methoxyflavonoid-skeleton
  • Flavanone
  • Hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Flavan
  • Chromone
  • Benzopyran
  • 1-benzopyran
  • Chromane
  • Methoxybenzene
  • Aryl alkyl ketone
  • Aryl ketone
  • Phenol ether
  • Anisole
  • Phenoxy compound
  • Alkyl aryl ether
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Vinylogous acid
  • Ketone
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Organic oxide
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • 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
logP4.56ALOGPS
logP5.55ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)7.54ChemAxon
pKa (Strongest Basic)-4.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count10ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area162.98 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity145.21 m³·mol⁻¹ChemAxon
Polarizability55.44 ųChemAxon
Number of Rings6ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00006424
Chemspider ID34965518
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound101676234
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Wang LY, Unehara T, Kitanaka S: Anti-inflammatory activity of new guaiane type sesquiterpene from Wikstroemia indica. Chem Pharm Bull (Tokyo). 2005 Jan;53(1):137-9. doi: 10.1248/cpb.53.137. [PubMed:15635251 ]
  2. Niu W, Chen F, Wang J, Qian J, Yan S: Antitumor effect of sikokianin C, a selective cystathionine beta-synthase inhibitor, against human colon cancer in vitro and in vivo. Medchemcomm. 2017 Nov 16;9(1):113-120. doi: 10.1039/c7md00484b. eCollection 2018 Jan 1. [PubMed:30108905 ]
  3. Nunome S, Ishiyama A, Kobayashi M, Otoguro K, Kiyohara H, Yamada H, Omura S: In vitro antimalarial activity of biflavonoids from Wikstroemia indica. Planta Med. 2004 Jan;70(1):76-8. doi: 10.1055/s-2004-815462. [PubMed:14765300 ]