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CHEBI:67493 - ombuin

ChEBI IDCHEBI:67493
ChEBI Nameombuin
Stars
DefinitionA dimethoxyflavone that is quercetin in which the hydroxy groups at positions 7 and 4' are replaced by methoxy groups. Isolated from Cyperus teneriffae, it exhibits anti-inflammatory activity.
Last Modified23 May 2025
DownloadsMolfile
FormulaC17H14O7
Net Charge0
Average Mass330.292
Monoisotopic Mass330.07395
SMILESCOc1cc(O)c2c(=O)c(O)c(-c3ccc(OC)c(O)c3)oc2c1
InChIInChI=1S/C17H14O7/c1-22-9-6-11(19)14-13(7-9)24-17(16(21)15(14)20)8-3-4-12(23-2)10(18)5-8/h3-7,18-19,21H,1-2H3
InChIKeyBWORNNDZQGOKBY-UHFFFAOYSA-N
Wikipedia
Species of MetaboliteComponentSourceComments
Cyperus teneriffae (IPNI:306106-1) root (BTO:0001188) PubMed (21504148) Ethanolic extract of dried roots
Roles Classification
Biological Role:
plant metabolite  Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
Application:
anti-inflammatory agent  Any compound that has anti-inflammatory effects.
ChEBI Ontology
Outgoing Relation(s)
ombuin (CHEBI:67493) has functional parent quercetin (CHEBI:16243)
ombuin (CHEBI:67493) has role anti-inflammatory agent (CHEBI:67079)
ombuin (CHEBI:67493) has role plant metabolite (CHEBI:76924)
ombuin (CHEBI:67493) is a dimethoxyflavone (CHEBI:23798)
ombuin (CHEBI:67493) is a flavonols (CHEBI:28802)
ombuin (CHEBI:67493) is a trihydroxyflavone (CHEBI:27116)
ombuin (CHEBI:67493) is conjugate acid of 7,4'-O-dimethylquercetin 3-olate (CHEBI:194068)
Incoming Relation(s)
ombuoside (CHEBI:234346) has functional parent ombuin (CHEBI:67493)
7,4'-O-dimethylquercetin 3-olate (CHEBI:194068) is conjugate base of ombuin (CHEBI:67493)
IUPAC Name 
3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-chromen-4-one
Synonyms  Source
4',7-dimethoxy-3,3',5-trihydroxyflavoneChemIDplus
7,4'-di-O-methylquercetinChEBI
3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-1-benzopyran-4-oneChemIDplus
Manual XrefsDatabases
LMPK12112652LIPID MAPS
OmbuinWikipedia
Registry NumbersSources
Reaxys:338215Reaxys
CAS:529-40-8ChemIDplus
Citations