Show more...
Record Information
Version2.0
Created at2022-04-28 02:30:19 UTC
Updated at2022-04-28 02:30:19 UTC
NP-MRD IDNP0056890
Secondary Accession NumbersNone
Natural Product Identification
Common Name5,7,2',4'-Tetrahydroxy-5'-(1''',1'''-dimethylallyl)isoflavone
DescriptionFremontin belongs to the class of organic compounds known as isoflavones. These are polycyclic compounds containing a 2-isoflavene skeleton which bears a ketone group at the C4 carbon atom. Thus, fremontin is considered to be a flavonoid. 5,7,2',4'-Tetrahydroxy-5'-(1''',1'''-dimethylallyl)isoflavone is found in Psorothamnus arborescens and Psorothamnus fremontii. 5,7,2',4'-Tetrahydroxy-5'-(1''',1'''-dimethylallyl)isoflavone was first documented in 2006 (PMID: 16441066). Based on a literature review very few articles have been published on Fremontin (PMID: 34121536).
Structure
Thumb
Synonyms
ValueSource
5'-(alpha,alpha-Dimethylallyl)-5,7,2',4'-tetrahydroxyisoflavoneMeSH
Chemical FormulaC20H18O6
Average Mass354.3580 Da
Monoisotopic Mass354.11034 Da
IUPAC Name3-[2,4-dihydroxy-5-(2-methylbut-3-en-2-yl)phenyl]-5,7-dihydroxy-4H-chromen-4-one
Traditional Namefremontin
CAS Registry NumberNot Available
SMILES
CC(C)(C=C)C1=C(O)C=C(O)C(=C1)C1=COC2=CC(O)=CC(O)=C2C1=O
InChI Identifier
InChI=1S/C20H18O6/c1-4-20(2,3)13-7-11(14(22)8-15(13)23)12-9-26-17-6-10(21)5-16(24)18(17)19(12)25/h4-9,21-24H,1H2,2-3H3
InChI KeyXWUWFNSZQDCXCD-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Psorothamnus arborescensLOTUS Database
Psorothamnus fremontiiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as isoflavones. These are polycyclic compounds containing a 2-isoflavene skeleton which bears a ketone group at the C4 carbon atom.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassIsoflavonoids
Sub ClassIsoflav-2-enes
Direct ParentIsoflavones
Alternative Parents
Substituents
  • Hydroxyisoflavonoid
  • Isoflavone
  • Chromone
  • Benzopyran
  • 1-benzopyran
  • Phenylpropane
  • Resorcinol
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Pyranone
  • Monocyclic benzene moiety
  • Benzenoid
  • Pyran
  • Heteroaromatic compound
  • Vinylogous acid
  • Oxacycle
  • Organoheterocyclic compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • 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
logP3.76ALOGPS
logP4.46ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)6.54ChemAxon
pKa (Strongest Basic)-5.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area107.22 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity96.97 m³·mol⁻¹ChemAxon
Polarizability36.41 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 IDC00009876
Chemspider ID4589289
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5487268
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Salem MM, Werbovetz KA: Isoflavonoids and other compounds from Psorothamnus arborescens with antiprotozoal activities. J Nat Prod. 2006 Jan;69(1):43-9. doi: 10.1021/np0502600. [PubMed:16441066 ]
  2. Kumarihamy M, Tripathi SK, Khan S, Muhammad I: Schottiin, a new prenylated isoflavones from Psorothamnus schottii and antibacterial synergism studies between methicillin and fremontone against methicillin-resistant Staphylococcus aureus ATCC 1708. Nat Prod Res. 2022 Jun;36(12):2984-2992. doi: 10.1080/14786419.2021.1937157. Epub 2021 Jun 14. [PubMed:34121536 ]