Molecule record

(E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide

C14H15N3O5

305.29 g/mol

Loading structure

Molecular properties

Formula
C14H15N3O5
Molar mass
305.29 g·mol−1
Exact mass
305.1012 Da
9
PubChem CID
5281081

Functional groups

Alkane / alkyl carbon
Alkene
Amide
Aromatic ring
Nitrile
Nitro compound
Phenol
Tertiary amine

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • (2E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
  • (E)-2-cyano-3-(3,4-dihydroxy-5-nitro-phenyl)-N,N-diethyl-prop-2-enamide
  • (E)-Entacapone
  • (E)-alpha-Cyano-N,N-diethyl-3,4-dihydroxy-5-nitrocinnamamide
  • 130929-57-6
  • 2-Cyano-N,N-diethyl-3-(3,4-dihydroxy-5-nitrophenyl)propenamide
  • 2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (2E)-
  • 4975G9NM6T
Show all 24 synonyms
  • CHEBI:4798
  • CORBILTA COMPONENT ENTACAPONE
  • Comtan
  • Comtess
  • DTXCID3026439
  • DTXSID5046439
  • ENTACAPONE
  • Entacapona
  • Entacapone orion
  • Entacapone teva
  • Entacaponum
  • LEVODOPA/CARBIDOPA/ENTACAPONE ORION COMPONENT ENTACAPONE
  • N,N-diethyl-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl) acrylamide
  • OR-611
  • RefChem:56991
  • STALEVO COMPONENT ENTACAPONE

Structure identifiers

Canonical SMILES
CCN(CC)C(=O)/C(C#N)=C/c1cc(O)c(O)c([N+](=O)[O-])c1
Isomeric SMILES
CCN(CC)C(=O)/C(=C/C1=CC(=C(C(=C1)O)O)[N+](=O)[O-])/C#N
InChI
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+
InChIKey
JRURYQJSLYLRLN-BJMVGYQFSA-N
PubChem CID
5281081

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

Open source record