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Record Information
Version3.6
Creation Date2009-04-06 16:21:20 UTC
Update Date2016-02-11 01:23:56 UTC
HMDB IDHMDB12226
Secondary Accession NumbersNone
Metabolite Identification
Common NameEntacapone
DescriptionEntacapone is an inhibitor drug of catechol O-methyltransferase, which catalyzes the reaction between catechol and S-adenosyl-L-methionine to produce guaiacol and S-adenosyl-L-homocysteine.
Structure
Thumb
Synonyms
ValueSource
(e)-alpha-cyano-N,N-Diethyl-3,4-dihydroxy-5-nitrocinnamamideChEBI
ComtanChEBI
ComtessChEBI
EntacaponaChEBI
EntacaponumChEBI
N,N-Diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl) acrylamideChEBI
(e)-a-cyano-N,N-Diethyl-3,4-dihydroxy-5-nitrocinnamamideGenerator
(e)-α-cyano-N,N-diethyl-3,4-dihydroxy-5-nitrocinnamamideGenerator
2-cyano-N,N-Diethyl-3-(3,4-dihydroxy-5-nitrophenyl)propenamideHMDB
Chemical FormulaC14H15N3O5
Average Molecular Weight305.286
Monoisotopic Molecular Weight305.101170605
IUPAC Name(2E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
Traditional Nameentacapone
CAS Registry Number130929-57-6
SMILES
CCN(CC)C(=O)C(=C\C1=CC(=C(O)C(O)=C1)[N+]([O-])=O)\C#N
InChI Identifier
InChI=1S/C14H15N3O5/c1-3-16(4-2)14(20)10(8-15)5-9-6-11(17(21)22)13(19)12(18)7-9/h5-7,18-19H,3-4H2,1-2H3/b10-5+
InChI KeyInChIKey=JRURYQJSLYLRLN-BJMVGYQFSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as hydroxycinnamic acids and derivatives. These are compounds containing an cinnamic acid (or a derivative thereof) where the benzene ring is hydroxylated.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassCinnamic acids and derivatives
Sub ClassHydroxycinnamic acids and derivatives
Direct ParentHydroxycinnamic acids and derivatives
Alternative Parents
Substituents
  • Hydroxycinnamic acid or derivatives
  • Nitrophenol derivative
  • Phenylpropene
  • Nitrobenzene
  • 1,2-diphenol
  • Phenol
  • Benzenoid
  • Monocyclic benzene moiety
  • Tertiary carboxylic acid amide
  • Organic nitro compound
  • Tertiary amine
  • Organic nitrite
  • C-nitro compound
  • Carboxamide group
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Allyl-type 1,3-dipolar organic compound
  • Organic oxoazanium
  • Nitrile
  • Carbonitrile
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organic salt
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Amine
  • Organic zwitterion
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
StatusExpected but not Quantified
Origin
  • Drug
BiofunctionNot Available
ApplicationNot Available
Cellular locationsNot Available
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.08 mg/mLALOGPS
logP2.5ALOGPS
logP1.63ChemAxon
logS-3.6ALOGPS
pKa (Strongest Acidic)5.68ChemAxon
pKa (Strongest Basic)-0.036ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area130.38 Å2ChemAxon
Rotatable Bond Count5ChemAxon
Refractivity80.51 m3·mol-1ChemAxon
Polarizability29.48 Å3ChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, NegativeNot Available
Biological Properties
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationNot Available
PathwaysNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Predicted Concentrations
BiofluidValueOriginal ageOriginal sexOriginal conditionComments
Blood0-3 uMAdult (>18 years old)BothNormalPredicted based on drug qualities
Blood0-2 umol/mmol creatinineAdult (>18 years old)BothNormalPredicted based on drug qualities
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound IDNot Available
Phenol Explorer Metabolite IDNot Available
FoodDB IDFDB028870
KNApSAcK IDNot Available
Chemspider ID4444537
KEGG Compound IDC07943
BioCyc IDCPD-7662
BiGG IDNot Available
Wikipedia LinkNot Available
NuGOwiki LinkHMDB12226
Metagene LinkHMDB12226
METLIN IDNot Available
PubChem Compound5281081
PDB IDNot Available
ChEBI ID4798
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
Catalyzes the oxidative deamination of biogenic and xenobiotic amines and has important functions in the metabolism of neuroactive and vasoactive amines in the central nervous system and peripheral tissues. MAOB preferentially degrades benzylamine and phenylethylamine.
Gene Name:
MAOB
Uniprot ID:
P27338
Molecular weight:
58762.475
General function:
Involved in magnesium ion binding
Specific function:
Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol.
Gene Name:
COMT
Uniprot ID:
P21964
Molecular weight:
30036.77
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform has specificity for phenols.
Gene Name:
UGT1A9
Uniprot ID:
O60656
Molecular weight:
59940.495