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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-11 19:47:29 UTC
Update Date2022-03-07 02:54:15 UTC
HMDB IDHMDB0034864
Secondary Accession Numbers
  • HMDB34864
Metabolite Identification
Common Name2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one
Description2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one belongs to the class of organic compounds known as benzoxazinones. These are organic compounds containing a benzene fused to an oxazine ring (a six-member aliphatic ring with four carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group. 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one has been detected, but not quantified in, several different foods, such as sorghums (Sorghum bicolor), quinoas (Chenopodium quinoa), spelts (Triticum spelta), red rice (Oryza rufipogon), and rice (Oryza sativa). This could make 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one a potential biomarker for the consumption of these foods. 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review very few articles have been published on 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one.
Structure
Data?1563862626
Synonyms
ValueSource
2,4-Dihydroxy-7-methoxy-1,4-benzoxazin-3-oneChEBI
(+/-)-2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-oneHMDB
(2R)-2,4-Dihydroxy-7-methoxy-1,4-benzoxazin-3-oneHMDB
2,4-Dihydroxy-7-(methyloxy)-2H-1,4-benzoxazin-3(4H)-oneHMDB
2,4-Dihydroxy-7-methoxy-1,4-benzoxazinoneHMDB
2,4-Dihydroxy-7-methoxy-2H,1,4-benzoxazin-3(4H)oneHMDB
DIMBOAHMDB
HBOHMDB
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-oneChEBI
Chemical FormulaC9H9NO5
Average Molecular Weight211.1715
Monoisotopic Molecular Weight211.048072403
IUPAC Name2,4-dihydroxy-7-methoxy-3,4-dihydro-2H-1,4-benzoxazin-3-one
Traditional Namedimboa
CAS Registry Number15893-52-4
SMILES
COC1=CC2=C(C=C1)N(O)C(=O)C(O)O2
InChI Identifier
InChI=1S/C9H9NO5/c1-14-5-2-3-6-7(4-5)15-9(12)8(11)10(6)13/h2-4,9,12-13H,1H3
InChI KeyGDNZNIJPBQATCZ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoxazinones. These are organic compounds containing a benzene fused to an oxazine ring (a six-member aliphatic ring with four carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzoxazines
Sub ClassBenzoxazinones
Direct ParentBenzoxazinones
Alternative Parents
Substituents
  • Benzoxazinone
  • Benzomorpholine
  • Anisole
  • Alkyl aryl ether
  • Benzenoid
  • Oxazinane
  • Hemiacetal
  • Hydroxamic acid
  • Carboxylic acid derivative
  • Oxacycle
  • Azacycle
  • Ether
  • Organic nitrogen compound
  • Organonitrogen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point168 - 169 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility24.6 g/LALOGPS
logP0.13ALOGPS
logP-0.055ChemAxon
logS-0.93ALOGPS
pKa (Strongest Acidic)7.85ChemAxon
pKa (Strongest Basic)-4.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area79.23 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity48.47 m³·mol⁻¹ChemAxon
Polarizability19.29 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+147.97831661259
DarkChem[M-H]-146.98531661259
DeepCCS[M+H]+146.70230932474
DeepCCS[M-H]-144.34430932474
DeepCCS[M-2H]-178.16630932474
DeepCCS[M+Na]+153.44430932474
AllCCS[M+H]+146.632859911
AllCCS[M+H-H2O]+142.532859911
AllCCS[M+NH4]+150.432859911
AllCCS[M+Na]+151.632859911
AllCCS[M-H]-144.632859911
AllCCS[M+Na-2H]-144.832859911
AllCCS[M+HCOO]-145.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-oneCOC1=CC2=C(C=C1)N(O)C(=O)C(O)O23339.1Standard polar33892256
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-oneCOC1=CC2=C(C=C1)N(O)C(=O)C(O)O21900.0Standard non polar33892256
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-oneCOC1=CC2=C(C=C1)N(O)C(=O)C(O)O21963.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one,1TMS,isomer #1COC1=CC=C2C(=C1)OC(O[Si](C)(C)C)C(=O)N2O2000.0Semi standard non polar33892256
2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one,1TBDMS,isomer #1COC1=CC=C2C(=C1)OC(O[Si](C)(C)C(C)(C)C)C(=O)N2O2276.4Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one GC-MS (Non-derivatized) - 70eV, Positivesplash10-00di-0900000000-53c2f5e27646045288af2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one GC-MS (1 TMS) - 70eV, Positivesplash10-0079-8940000000-d0f9b43343833c9e053b2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 6V, Positive-QTOFsplash10-000i-0900000000-c15b25220502d9d185dd2021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 10V, Positive-QTOFsplash10-03di-0190000000-81645df47c3fed0bd3a92016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 20V, Positive-QTOFsplash10-03di-1290000000-4b18989a9733b9c9128d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 40V, Positive-QTOFsplash10-0pc0-8900000000-af10c52b30b91b0183432016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 10V, Negative-QTOFsplash10-03di-0190000000-ff36b9f2da9a370e6f452016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 20V, Negative-QTOFsplash10-03di-1960000000-ee23275c26b88778ad932016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 40V, Negative-QTOFsplash10-0a4i-9200000000-180699a2eeca136cc1312016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 10V, Positive-QTOFsplash10-03di-0190000000-b79fb45b6c22516246bc2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 20V, Positive-QTOFsplash10-03dl-0950000000-3be199a9f3a68e9917c82021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 40V, Positive-QTOFsplash10-0079-2900000000-10292325a80698ff13df2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 10V, Negative-QTOFsplash10-0ik9-0970000000-e9ff6d06efbb72e08f612021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 20V, Negative-QTOFsplash10-0udi-3900000000-6245e31fd6f132da0c392021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 2,4-Dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one 40V, Negative-QTOFsplash10-06tf-6900000000-fdae439c7d67fc93bf972021-09-24Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB013434
KNApSAcK IDC00026498
Chemspider ID2268
KEGG Compound IDC04720
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkDIMBOA
METLIN IDNot Available
PubChem Compound2358
PDB IDNot Available
ChEBI ID18048
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .