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Record Information
Version2.0
Created at2022-09-10 16:22:41 UTC
Updated at2022-09-10 16:22:41 UTC
NP-MRD IDNP0302651
Secondary Accession NumbersNone
Natural Product Identification
Common Name2(3h)-furanone
DescriptionBut-3-en-4-olide, also known as 2-furanone or a-crotonolactone, belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom. 2(3h)-furanone is found in Nelumbo nucifera. But-3-en-4-olide is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
2(3H)-FuranoneChEBI
2-FuranoneChEBI
2-oxo-2,3-DihydrofuranChEBI
4-Hydroxy-3-butenoic acid gamma-lactoneChEBI
alpha-CrotonolactoneChEBI
alpha-FuranoneChEBI
beta,gamma-CrotonolactoneChEBI
4-Hydroxy-3-butenoate g-lactoneGenerator
4-Hydroxy-3-butenoate gamma-lactoneGenerator
4-Hydroxy-3-butenoate γ-lactoneGenerator
4-Hydroxy-3-butenoic acid g-lactoneGenerator
4-Hydroxy-3-butenoic acid γ-lactoneGenerator
a-CrotonolactoneGenerator
Α-crotonolactoneGenerator
a-FuranoneGenerator
Α-furanoneGenerator
b,g-CrotonolactoneGenerator
Β,γ-crotonolactoneGenerator
ButenolideMeSH
CrotonolactoneMeSH
2-Buten-4-olideMeSH
2-b4OMeSH
Chemical FormulaC4H4O2
Average Mass84.0740 Da
Monoisotopic Mass84.02113 Da
IUPAC Name2,3-dihydrofuran-2-one
Traditional Name2(3H)-furanone
CAS Registry NumberNot Available
SMILES
O=C1CC=CO1
InChI Identifier
InChI=1S/C4H4O2/c5-4-2-1-3-6-4/h1,3H,2H2
InChI KeyRHDGNLCLDBVESU-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Nelumbo nuciferaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as butenolides. These are dihydrofurans with a carbonyl group at the C2 carbon atom.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDihydrofurans
Sub ClassFuranones
Direct ParentButenolides
Alternative Parents
Substituents
  • 2-furanone
  • Enol ester
  • Lactone
  • Carboxylic acid ester
  • Oxacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP0.3ALOGPS
logP0.16ChemAxon
logS0.32ALOGPS
pKa (Strongest Acidic)16.22ChemAxon
pKa (Strongest Basic)-7.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.3 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity20.4 m³·mol⁻¹ChemAxon
Polarizability7.47 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0094691
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC17602
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound140765
PDB IDNot Available
ChEBI ID38120
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]