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Record Information
Version2.0
Created at2022-09-02 01:54:35 UTC
Updated at2022-09-02 01:54:35 UTC
NP-MRD IDNP0146496
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2s)-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2r)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-2,3-dihydro-1-benzopyran-4-one
DescriptionNorkurarinol belongs to the class of organic compounds known as 8-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 8-position. (2s)-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2r)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-2,3-dihydro-1-benzopyran-4-one is found in Sophora flavescens. (2s)-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2r)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-2,3-dihydro-1-benzopyran-4-one was first documented in 2003 (PMID: 12865979). Based on a literature review a small amount of articles have been published on Norkurarinol (PMID: 17658714) (PMID: 28930140) (PMID: 22293288) (PMID: 18981580).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC25H30O7
Average Mass442.5080 Da
Monoisotopic Mass442.19915 Da
IUPAC Name(2S)-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2R)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name(2S)-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2R)-5-hydroxy-5-methyl-2-(prop-1-en-2-yl)hexyl]-2,3-dihydro-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
CC(=C)[C@H](CCC(C)(C)O)CC1=C(O)C=C(O)C2=C1O[C@@H](CC2=O)C1=CC=C(O)C=C1O
InChI Identifier
InChI=1S/C25H30O7/c1-13(2)14(7-8-25(3,4)31)9-17-19(28)11-20(29)23-21(30)12-22(32-24(17)23)16-6-5-15(26)10-18(16)27/h5-6,10-11,14,22,26-29,31H,1,7-9,12H2,2-4H3/t14-,22+/m1/s1
InChI KeyPFTQIVMILQKDQN-PEBXRYMYSA-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
Sophora flavescensLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 8-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 8-position.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavans
Direct Parent8-prenylated flavanones
Alternative Parents
Substituents
  • 8-prenylated flavanone
  • 4'-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Flavanone
  • Hydroxyflavonoid
  • Chromone
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Resorcinol
  • Aryl alkyl ketone
  • Aryl ketone
  • 1-hydroxy-4-unsubstituted benzenoid
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Benzenoid
  • Monocyclic benzene moiety
  • Tertiary alcohol
  • Vinylogous acid
  • Ketone
  • Ether
  • Organoheterocyclic compound
  • Oxacycle
  • Hydrocarbon derivative
  • Organic oxide
  • Alcohol
  • Organooxygen compound
  • 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
logP3.27ALOGPS
logP4.75ChemAxon
logS-4.2ALOGPS
pKa (Strongest Acidic)8.09ChemAxon
pKa (Strongest Basic)-1.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area127.45 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity121.18 m³·mol⁻¹ChemAxon
Polarizability46.78 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00019182
Chemspider ID23332605
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound44563159
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Zhang L, Xu L, Xiao SS, Liao QF, Li Q, Liang J, Chen XH, Bi KS: Characterization of flavonoids in the extract of Sophora flavescens Ait. by high-performance liquid chromatography coupled with diode-array detector and electrospray ionization mass spectrometry. J Pharm Biomed Anal. 2007 Sep 3;44(5):1019-28. doi: 10.1016/j.jpba.2007.04.019. Epub 2007 Apr 24. [PubMed:17658714 ]
  2. Meineck M, Schuck F, Abdelfatah S, Efferth T, Endres K: Identification of Phlogacantholide C as a Novel ADAM10 Enhancer from Traditional Chinese Medicinal Plants. Medicines (Basel). 2016 Dec 5;3(4):30. doi: 10.3390/medicines3040030. [PubMed:28930140 ]
  3. Oh HM, Lee SW, Park MH, Kim MH, Ryu YB, Kim MS, Kim HH, Park KH, Lee WS, Park SJ, Rho MC: Norkurarinol inhibits toll-like receptor 3 (TLR3)-mediated pro-inflammatory signaling pathway and rotavirus replication. J Pharmacol Sci. 2012;118(2):161-70. doi: 10.1254/jphs.11077fp. Epub 2012 Jan 27. [PubMed:22293288 ]
  4. Jeong TS, Ryu YB, Kim HY, Curtis-Long MJ, An S, Lee JH, Lee WS, Park KH: Low density lipoprotein (LDL)-antioxidant flavonoids from roots of Sophora flavescens. Biol Pharm Bull. 2008 Nov;31(11):2097-102. doi: 10.1248/bpb.31.2097. [PubMed:18981580 ]
  5. Son JK, Park JS, Kim JA, Kim Y, Chung SR, Lee SH: Prenylated flavonoids from the roots of Sophora flavescens with tyrosinase inhibitory activity. Planta Med. 2003 Jun;69(6):559-61. doi: 10.1055/s-2003-40643. [PubMed:12865979 ]
  6. LOTUS database [Link]