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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 18:11:28 UTC
Update Date2022-03-07 02:53:43 UTC
HMDB IDHMDB0033457
Secondary Accession Numbers
  • HMDB33457
Metabolite Identification
Common NameFlazine methyl ether
DescriptionFlazine methyl ether, also known as proadifen or SK and F 525 a, belongs to the class of organic compounds known as harmala alkaloids. Harmala alkaloids are compounds with a structure based on harmaline, harmine, harmalol, harman or a derivative of those parents. These parents are beta-carbolines, consisting of a pyrimidine fused to the pyrrole moiety of an indole to form a pyrido[3,4-b]indole. Flazine methyl ether is found, on average, in the highest concentration within blackcurrants (Ribes nigrum). Flazine methyl ether has also been detected, but not quantified in, fruits. This could make flazine methyl ether a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on Flazine methyl ether.
Structure
Data?1563862409
Synonyms
ValueSource
SK And F 525 aMeSH
SK And F-525-aMeSH
ProadifenMeSH
PropyladipheninMeSH
SK And F525aMeSH
SKF-525aMeSH
Acetate, diethylaminoethyldiphenylpropylMeSH
Diethylaminoethyldiphenylpropyl acetateMeSH
Hydrochloride, proadifenMeSH
SK 525aMeSH
SKF-525-aMeSH
Proadifen hydrochlorideMeSH
SK-525aMeSH
SKF 525 aMeSH
SKF525aMeSH
2-(diethylamino)Ethyl 2,2-diphenylpentanoateHMDB
2-(diethylamino)Ethyl 2,2-diphenylvalerate hydrochlorideHMDB
2-Diethylaminoethyl propyldiphenylacetateHMDB
2-Diethylaminoethyl-2,2-diphenylvalerateHMDB
Acetic acid, propyldiphenyl-, 2-(diethylamino)ethyl esterHMDB
BCTBHMDB
Ethyl aprofenHMDB
O-MethylflazineHMDB
ProadifeneHMDB
ProadifenoHMDB
ProadifenumHMDB
SKF-525a HydrochlorideHMDB
Valeric acid, 2,2-diphenyl-, 2-(diethylamino)ethyl esterHMDB
1-[5-(Methoxymethyl)furan-2-yl]-9H-pyrido[3,4-b]indole-3-carboxylateGenerator
Chemical FormulaC18H14N2O4
Average Molecular Weight322.3148
Monoisotopic Molecular Weight322.095356946
IUPAC Name1-[5-(methoxymethyl)furan-2-yl]-9H-pyrido[3,4-b]indole-3-carboxylic acid
Traditional Name1-[5-(methoxymethyl)furan-2-yl]-9H-pyrido[3,4-b]indole-3-carboxylic acid
CAS Registry Number159898-11-0
SMILES
COCC1=CC=C(O1)C1=C2NC3=CC=CC=C3C2=CC(=N1)C(O)=O
InChI Identifier
InChI=1S/C18H14N2O4/c1-23-9-10-6-7-15(24-10)17-16-12(8-14(20-17)18(21)22)11-4-2-3-5-13(11)19-16/h2-8,19H,9H2,1H3,(H,21,22)
InChI KeyDTVVELLZKPXBHH-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as harmala alkaloids. Harmala alkaloids are compounds with a structure based on harmaline, harmine, harmalol, harman or a derivative of those parents. These parents are beta-carbolines, consisting of a pyrimidine fused to the pyrrole moiety of an indole to form a pyrido[3,4-b]indole.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassHarmala alkaloids
Sub ClassNot Available
Direct ParentHarmala alkaloids
Alternative Parents
Substituents
  • Harman
  • Beta-carboline
  • Pyridoindole
  • Indole
  • Indole or derivatives
  • Pyridine carboxylic acid
  • Pyridine carboxylic acid or derivatives
  • Benzenoid
  • Pyridine
  • Heteroaromatic compound
  • Furan
  • Pyrrole
  • Azacycle
  • Oxacycle
  • Dialkyl ether
  • Ether
  • Organoheterocyclic compound
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Carboxylic acid
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • Organopnictogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point199 - 200 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility2.35 mg/L @ 25 °C (est)The Good Scents Company Information System
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.061 g/LALOGPS
logP3.23ALOGPS
logP2.81ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)3.9ChemAxon
pKa (Strongest Basic)0.28ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area88.35 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity86.8 m³·mol⁻¹ChemAxon
Polarizability34.33 ųChemAxon
Number of Rings4ChemAxon
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]+175.03631661259
DarkChem[M-H]-177.11731661259
DeepCCS[M+H]+176.02930932474
DeepCCS[M-H]-173.67130932474
DeepCCS[M-2H]-207.22430932474
DeepCCS[M+Na]+182.45130932474
AllCCS[M+H]+176.132859911
AllCCS[M+H-H2O]+172.632859911
AllCCS[M+NH4]+179.332859911
AllCCS[M+Na]+180.332859911
AllCCS[M-H]-178.132859911
AllCCS[M+Na-2H]-177.432859911
AllCCS[M+HCOO]-176.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Flazine methyl etherCOCC1=CC=C(O1)C1=C2NC3=CC=CC=C3C2=CC(=N1)C(O)=O3952.9Standard polar33892256
Flazine methyl etherCOCC1=CC=C(O1)C1=C2NC3=CC=CC=C3C2=CC(=N1)C(O)=O3048.5Standard non polar33892256
Flazine methyl etherCOCC1=CC=C(O1)C1=C2NC3=CC=CC=C3C2=CC(=N1)C(O)=O3238.0Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Flazine methyl ether,1TMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C)=CC3=C2[NH]C2=CC=CC=C23)O13203.8Semi standard non polar33892256
Flazine methyl ether,1TMS,isomer #2COCC1=CC=C(C2=NC(C(=O)O)=CC3=C2N([Si](C)(C)C)C2=CC=CC=C32)O13171.2Semi standard non polar33892256
Flazine methyl ether,2TMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C)=CC3=C2N([Si](C)(C)C)C2=CC=CC=C32)O13164.9Semi standard non polar33892256
Flazine methyl ether,2TMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C)=CC3=C2N([Si](C)(C)C)C2=CC=CC=C32)O13032.4Standard non polar33892256
Flazine methyl ether,1TBDMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C(C)(C)C)=CC3=C2[NH]C2=CC=CC=C23)O13423.3Semi standard non polar33892256
Flazine methyl ether,1TBDMS,isomer #2COCC1=CC=C(C2=NC(C(=O)O)=CC3=C2N([Si](C)(C)C(C)(C)C)C2=CC=CC=C32)O13398.1Semi standard non polar33892256
Flazine methyl ether,2TBDMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C(C)(C)C)=CC3=C2N([Si](C)(C)C(C)(C)C)C2=CC=CC=C32)O13525.8Semi standard non polar33892256
Flazine methyl ether,2TBDMS,isomer #1COCC1=CC=C(C2=NC(C(=O)O[Si](C)(C)C(C)(C)C)=CC3=C2N([Si](C)(C)C(C)(C)C)C2=CC=CC=C32)O13385.6Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Flazine methyl ether GC-MS (Non-derivatized) - 70eV, Positivesplash10-0ffy-1191000000-6e9180f8f8ef299e14db2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Flazine methyl ether GC-MS (1 TMS) - 70eV, Positivesplash10-00b9-8039000000-0e2908375d652444c3e72017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Flazine methyl ether 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 - Flazine methyl ether 10V, Positive-QTOFsplash10-05fr-0049000000-a0baa21fab01a433d56f2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 20V, Positive-QTOFsplash10-004i-0193000000-98926adc0579c26cccd42016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 40V, Positive-QTOFsplash10-014j-2090000000-12a5b7da081d667bc5c32016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 10V, Negative-QTOFsplash10-00di-0049000000-bd5865221dbb1cb0ec7d2016-08-04Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 20V, Negative-QTOFsplash10-00fr-1094000000-680b32a2b9650aa788682016-08-04Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 40V, Negative-QTOFsplash10-0mlv-2090000000-3e18312aabfa3474be732016-08-04Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 10V, Negative-QTOFsplash10-00b9-0093000000-85c8b5fcfa754a604b222021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 20V, Negative-QTOFsplash10-0032-0090000000-ca8ec19d93778becae6f2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 40V, Negative-QTOFsplash10-003s-0490000000-84ddfaded7f431940ed92021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 10V, Positive-QTOFsplash10-00di-0019000000-2cc40adb6ad968451ad62021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 20V, Positive-QTOFsplash10-00fr-0098000000-213233d9b4fce00294152021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Flazine methyl ether 40V, Positive-QTOFsplash10-01p2-0090000000-ba31bcb2be19286b1b6e2021-09-22Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane
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 IDFDB011498
KNApSAcK IDNot Available
Chemspider ID30777003
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound131751427
PDB IDNot Available
ChEBI ID175110
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1835791
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.. .