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Record Information
Version2.0
Created at2022-04-27 20:49:38 UTC
Updated at2022-04-27 20:49:38 UTC
NP-MRD IDNP0050243
Secondary Accession NumbersNone
Natural Product Identification
Common Name2'-Hydroxyformononetin
DescriptionXenognosin B belongs to the class of organic compounds known as 4'-o-methylisoflavones. These are isoflavones with methoxy groups attached to the C4' atom of the isoflavone backbone. Thus, xenognosin b is considered to be a flavonoid lipid molecule. Xenognosin B is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Xenognosin B exists in all living organisms, ranging from bacteria to humans. Outside of the human body, Xenognosin B has been detected, but not quantified in, several different foods, such as chinese chives, chanterelles, rapes, chicory leaves, and sweet marjorams. 2'-Hydroxyformononetin is found in Agalinis purpurea, Dalbergia odorifera , Dalbergia sissoo, Euchresta formosana, Glycyrrhiza pallidiflora, Millettia brandisiana, Pycnanthus angolensis , Trifolium repens , Virola cadudifolia and Virola multinervia. 2'-Hydroxyformononetin was first documented in 1990 (PMID: 2306102). This could make xenognosin b a potential biomarker for the consumption of these foods (PMID: 9790908) (PMID: 1912490) (PMID: 1915347) (PMID: 9525107).
Structure
Thumb
Synonyms
ValueSource
2'-HydroformononetinChEBI
2',7-Dihydroxy-4'-methoxyisoflavoneHMDB
2-HYDROXYFORMONONETINHMDB
7,2'-Dihydroxy-4'-methoxyisoflavoneHMDB
7-Hydroxy-3-(2-hydroxy-4-methoxyphenyl)-4H-chromen-4-oneHMDB
Xenognosin bChEBI
Chemical FormulaC16H12O5
Average Mass284.2635 Da
Monoisotopic Mass284.06847 Da
IUPAC Name7-hydroxy-3-(2-hydroxy-4-methoxyphenyl)-4H-chromen-4-one
Traditional Name2'-hydroxyformononetin
CAS Registry NumberNot Available
SMILES
COC1=CC(O)=C(C=C1)C1=COC2=C(C=CC(O)=C2)C1=O
InChI Identifier
InChI=1S/C16H12O5/c1-20-10-3-5-11(14(18)7-10)13-8-21-15-6-9(17)2-4-12(15)16(13)19/h2-8,17-18H,1H3
InChI KeyXKHHKXCBFHUOHM-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Agalinis purpureaPlant
Dalbergia odoriferaPlant
Dalbergia sissooLOTUS Database
Euchresta formosanaLOTUS Database
Glycyrrhiza pallidifloraPlant
Millettia brandisianaLOTUS Database
Pycnanthus angolensisAnimalia
Trifolium repensPlant
Virola cadudifoliaPlant
Virola multinerviaPlant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 4'-o-methylisoflavones. These are isoflavones with methoxy groups attached to the C4' atom of the isoflavone backbone.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassIsoflavonoids
Sub ClassO-methylated isoflavonoids
Direct Parent4'-O-methylisoflavones
Alternative Parents
Substituents
  • 4p-o-methylisoflavone
  • Isoflavone
  • Hydroxyisoflavonoid
  • Chromone
  • Methoxyphenol
  • 1-benzopyran
  • Benzopyran
  • Phenoxy compound
  • Anisole
  • Phenol ether
  • Methoxybenzene
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Phenol
  • Pyranone
  • Pyran
  • Monocyclic benzene moiety
  • Benzenoid
  • Heteroaromatic compound
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Organic oxygen compound
  • Organic oxide
  • Organooxygen compound
  • Hydrocarbon derivative
  • 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
logP3.35ALOGPS
logP2.57ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)6.47ChemAxon
pKa (Strongest Basic)-4.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area75.99 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity76.17 m³·mol⁻¹ChemAxon
Polarizability28.73 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0031720
DrugBank IDNot Available
Phenol Explorer Compound ID827
FoodDB IDFDB008383
KNApSAcK IDC00000257
Chemspider ID4444180
KEGG Compound IDC02920
BioCyc ID2-HYDROXYFORMONONETIN
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5280551
PDB IDNot Available
ChEBI ID17678
Good Scents IDNot Available
References
General References
  1. Fischer D, Ebenau-Jehle C, Grisebach H: Phytoalexin synthesis in soybean: purification and characterization of NADPH:2'-hydroxydaidzein oxidoreductase from elicitor-challenged soybean cell cultures. Arch Biochem Biophys. 1990 Feb 1;276(2):390-5. doi: 10.1016/0003-9861(90)90737-j. [PubMed:2306102 ]
  2. Akashi T, Aoki T, Ayabe S: CYP81E1, a cytochrome P450 cDNA of licorice (Glycyrrhiza echinata L.), encodes isoflavone 2'-hydroxylase. Biochem Biophys Res Commun. 1998 Oct 9;251(1):67-70. doi: 10.1006/bbrc.1998.9414. [PubMed:9790908 ]
  3. Paiva NL, Edwards R, Sun YJ, Hrazdina G, Dixon RA: Stress responses in alfalfa (Medicago sativa L.) 11. Molecular cloning and expression of alfalfa isoflavone reductase, a key enzyme of isoflavonoid phytoalexin biosynthesis. Plant Mol Biol. 1991 Oct;17(4):653-67. doi: 10.1007/BF00037051. [PubMed:1912490 ]
  4. Tiemann K, Inze D, Van Montagu M, Barz W: Pterocarpan phytoalexin biosynthesis in elicitor-challenged chickpea (Cicer arietinum L.) cell cultures. Purification, characterization and cDNA cloning of NADPH:isoflavone oxidoreductase. Eur J Biochem. 1991 Sep 15;200(3):751-7. doi: 10.1111/j.1432-1033.1991.tb16241.x. [PubMed:1915347 ]
  5. Chan SC, Chang YS, Wang JP, Chen SC, Kuo SC: Three new flavonoids and antiallergic, anti-inflammatory constituents from the heartwood of Dalbergia odorifera. Planta Med. 1998 Mar;64(2):153-8. doi: 10.1055/s-2006-957394. [PubMed:9525107 ]