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Record Information
Version1.0
Created at2022-09-12 14:47:39 UTC
Updated at2022-09-12 14:47:39 UTC
NP-MRD IDNP0329924
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-[2-(1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid
Description2-[2-(1,2,4A,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid belongs to the class of organic compounds known as colensane and clerodane diterpenoids. These are diterpenoids with a structure based on the clerodane or the colensane skeleton. Clerodanes arise from labdanes by two methyl migrations. 2-[2-(1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid is found in Symphyopappus reticulatus. 2-[2-(1,2,4A,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
2-[2-(1,2,4a,5-Tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoateGenerator
Chemical FormulaC20H30O3
Average Mass318.4570 Da
Monoisotopic Mass318.21949 Da
IUPAC Name2-[2-(1,2,4a,5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid
Traditional Name2-[2-(1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl)ethyl]-4-oxobut-2-enoic acid
CAS Registry NumberNot Available
SMILES
CC1CCC2(C)C(CCC=C2C)C1(C)CCC(=CC=O)C(O)=O
InChI Identifier
InChI=1S/C20H30O3/c1-14-6-5-7-17-19(14,3)11-8-15(2)20(17,4)12-9-16(10-13-21)18(22)23/h6,10,13,15,17H,5,7-9,11-12H2,1-4H3,(H,22,23)
InChI KeyVDJGJNIZFLWFMY-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
Symphyopappus reticulatusLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as colensane and clerodane diterpenoids. These are diterpenoids with a structure based on the clerodane or the colensane skeleton. Clerodanes arise from labdanes by two methyl migrations.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentColensane and clerodane diterpenoids
Alternative Parents
Substituents
  • Clerodane diterpenoid
  • Medium-chain fatty acid
  • Branched fatty acid
  • Fatty acyl
  • Fatty acid
  • Unsaturated fatty acid
  • Alpha,beta-unsaturated aldehyde
  • Enal
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Aldehyde
  • Organooxygen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organic oxygen compound
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
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
logP5.21ALOGPS
logP4.45ChemAxon
logS-5ALOGPS
pKa (Strongest Acidic)3.82ChemAxon
pKa (Strongest Basic)-6.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity93.79 m³·mol⁻¹ChemAxon
Polarizability36.43 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]