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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2006-08-13 12:58:42 UTC
Update Date2023-02-21 17:16:56 UTC
HMDB IDHMDB0004145
Secondary Accession Numbers
  • HMDB04145
Metabolite Identification
Common NameBOX B
DescriptionBOX B is produced by bilirubin oxidation, a heme-derived compound. BOXes are produced as a mixture of isomers, and may be involved in cerebral vasospasm. BOXes are subject of interest in the neurosurgical and neurological fields because of their correlation with and/or role in subarachnoid hemorrhage induced cerebral vasospasm. Subarachnoid hemorrhage (SAH) induces cerebral vasospasm that can lead to ischemic injury or death and is a common complication of SAH. BOX B can be found in cerebrospinal fluid in SAH. (PMID: 17981669 ).
Structure
Data?1676999816
Synonyms
ValueSource
2-(4-Ethenyl-1,5-dihydro-3-methyl-5-oxo-2H-pyrrol-2-ylidene)-acetamideHMDB
3-Methyl-5-oxo-4-vinyl- (1,5-dihydropyrrol-2-ylidene)acetamideHMDB
2-[(2Z)-4-Ethenyl-5-hydroxy-3-methyl-2H-pyrrol-2-ylidene]ethanimidateGenerator, HMDB
Chemical FormulaC9H10N2O2
Average Molecular Weight178.1879
Monoisotopic Molecular Weight178.074227574
IUPAC Name2-[(2Z)-4-ethenyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-ylidene]acetamide
Traditional Name2-[(2Z)-4-ethenyl-3-methyl-5-oxo-1H-pyrrol-2-ylidene]acetamide
CAS Registry Number329314-75-2
SMILES
CC1=C(C=C)C(=O)N\C1=C/C(N)=O
InChI Identifier
InChI=1S/C9H10N2O2/c1-3-6-5(2)7(4-8(10)12)11-9(6)13/h3-4H,1H2,2H3,(H2,10,12)(H,11,13)/b7-4-
InChI KeyJJDLLVZMTMEVBY-DAXSKMNVSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as pyrrolines. Pyrrolines are compounds containing a pyrroline ring, which is a five-member unsaturated aliphatic ring with one nitrogen atom and four carbon atoms.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyrrolines
Sub ClassNot Available
Direct ParentPyrrolines
Alternative Parents
Substituents
  • Pyrroline
  • Vinylogous amide
  • Carboxamide group
  • Lactam
  • Primary carboxylic acid amide
  • Secondary carboxylic acid amide
  • Carboxylic acid derivative
  • Azacycle
  • Organic oxygen compound
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility3.43 g/LALOGPS
logP0.11ALOGPS
logP-0.81ChemAxon
logS-1.7ALOGPS
pKa (Strongest Acidic)10.94ChemAxon
pKa (Strongest Basic)1.15ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area72.19 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity50.38 m³·mol⁻¹ChemAxon
Polarizability18.29 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+144.55630932474
DeepCCS[M-H]-142.19830932474
DeepCCS[M-2H]-177.04430932474
DeepCCS[M+Na]+151.76830932474
AllCCS[M+H]+138.732859911
AllCCS[M+H-H2O]+134.532859911
AllCCS[M+NH4]+142.732859911
AllCCS[M+Na]+143.832859911
AllCCS[M-H]-137.632859911
AllCCS[M+Na-2H]-138.432859911
AllCCS[M+HCOO]-139.432859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022.3.2 minutes32390414
Predicted by Siyang on May 30, 202210.9284 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20221.01 minutes32390414
AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid35.0 seconds40023050
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid1539.4 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid328.1 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid108.9 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid207.0 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid76.9 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid298.7 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid464.0 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)89.6 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid841.2 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid313.3 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1132.7 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid258.5 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid287.8 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate466.1 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA261.8 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water70.8 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
BOX BCC1=C(C=C)C(=O)N\C1=C/C(N)=O2694.1Standard polar33892256
BOX BCC1=C(C=C)C(=O)N\C1=C/C(N)=O1979.8Standard non polar33892256
BOX BCC1=C(C=C)C(=O)N\C1=C/C(N)=O2002.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
BOX B,1TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O2088.8Semi standard non polar33892256
BOX B,1TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O2019.7Standard non polar33892256
BOX B,1TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)NC1=O3040.9Standard polar33892256
BOX B,1TMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O2036.4Semi standard non polar33892256
BOX B,1TMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O1762.4Standard non polar33892256
BOX B,1TMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C)C1=O2860.2Standard polar33892256
BOX B,2TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O2219.9Semi standard non polar33892256
BOX B,2TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O2139.7Standard non polar33892256
BOX B,2TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)NC1=O2916.2Standard polar33892256
BOX B,2TMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O2075.0Semi standard non polar33892256
BOX B,2TMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O1945.2Standard non polar33892256
BOX B,2TMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C)N([Si](C)(C)C)C1=O2424.9Standard polar33892256
BOX B,3TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O2119.8Semi standard non polar33892256
BOX B,3TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O2020.8Standard non polar33892256
BOX B,3TMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C)[Si](C)(C)C)N([Si](C)(C)C)C1=O2304.9Standard polar33892256
BOX B,1TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O2321.4Semi standard non polar33892256
BOX B,1TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O2260.1Standard non polar33892256
BOX B,1TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)NC1=O3045.3Standard polar33892256
BOX B,1TBDMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O2298.3Semi standard non polar33892256
BOX B,1TBDMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O1962.4Standard non polar33892256
BOX B,1TBDMS,isomer #2C=CC1=C(C)/C(=C/C(N)=O)N([Si](C)(C)C(C)(C)C)C1=O2883.6Standard polar33892256
BOX B,2TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O2618.9Semi standard non polar33892256
BOX B,2TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O2526.5Standard non polar33892256
BOX B,2TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)NC1=O2957.7Standard polar33892256
BOX B,2TBDMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2517.6Semi standard non polar33892256
BOX B,2TBDMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2316.9Standard non polar33892256
BOX B,2TBDMS,isomer #2C=CC1=C(C)/C(=C/C(=O)N[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2513.9Standard polar33892256
BOX B,3TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2761.5Semi standard non polar33892256
BOX B,3TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2576.9Standard non polar33892256
BOX B,3TBDMS,isomer #1C=CC1=C(C)/C(=C/C(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1=O2536.4Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - BOX B GC-MS (Non-derivatized) - 70eV, Positivesplash10-0400-4900000000-c1366f5209cffc053b5e2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - BOX B GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 10V, Positive-QTOFsplash10-03fr-0900000000-85fad0e47305eb3c531a2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 20V, Positive-QTOFsplash10-03di-1900000000-2659cd347d73cc48d1d82017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 40V, Positive-QTOFsplash10-014i-9100000000-7cb6476a27b464ddba9b2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 10V, Negative-QTOFsplash10-004i-0900000000-3609e056fe28b3ba21c52017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 20V, Negative-QTOFsplash10-002f-5900000000-227f05e5a598f7b902602017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 40V, Negative-QTOFsplash10-0006-9000000000-8a484129caa93e901d502017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 10V, Positive-QTOFsplash10-01u0-0900000000-daa225a0c0291b0f07c82021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 20V, Positive-QTOFsplash10-03e9-3900000000-a4ba9f03bc7ddd85235e2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 40V, Positive-QTOFsplash10-00kf-9200000000-01df55e78f84a12e92462021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 10V, Negative-QTOFsplash10-001i-0900000000-bfdf4900a6655ee502192021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 20V, Negative-QTOFsplash10-005c-4900000000-52986e9c0ff2d8a70ed32021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - BOX B 40V, Negative-QTOFsplash10-0006-9000000000-b1c13bace664aa7ddc692021-09-22Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023318
KNApSAcK IDNot Available
Chemspider ID30776563
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound53477779
PDB IDNot Available
ChEBI IDNot Available
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. Clark JF, Loftspring M, Wurster WL, Pyne-Geithman GJ: Chemical and biochemical oxidations in spinal fluid after subarachnoid hemorrhage. Front Biosci. 2008 Jan 1;13:1806-12. [PubMed:17981669 ]