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Record Information
Version2.0
Created at2022-09-07 00:14:40 UTC
Updated at2022-09-07 00:14:40 UTC
NP-MRD IDNP0240426
Secondary Accession NumbersNone
Natural Product Identification
Common Name1,4a-dimethyl-6-methylidene-5-(3-methylidenepent-4-en-1-yl)-hexahydro-2h-naphthalene-1-carboxylic acid
DescriptionEnt-8(17),13(16),14-Labdatrien-18-oic acid belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units. Ent-8(17),13(16),14-Labdatrien-18-oic acid is a weakly acidic compound (based on its pKa). Outside of the human body, ent-8(17),13(16),14-Labdatrien-18-oic acid has been detected, but not quantified in, fruits. 1,4a-dimethyl-6-methylidene-5-(3-methylidenepent-4-en-1-yl)-hexahydro-2h-naphthalene-1-carboxylic acid is found in Callitris rhomboidea, Hymenaea courbaril, Juniperus sabina, Nepeta tuberosa, Torreya nucifera and Xylopia aromatica. This could make ent-8(17),13(16),14-labdatrien-18-Oic acid a potential biomarker for the consumption of these foods.
Structure
Thumb
Synonyms
ValueSource
ent-8(17),13(16),14-Labdatrien-18-OateGenerator
1,4a-Dimethyl-6-methylidene-5-(3-methylidenepent-4-en-1-yl)-decahydronaphthalene-1-carboxylateGenerator
Chemical FormulaC20H30O2
Average Mass302.4510 Da
Monoisotopic Mass302.22458 Da
IUPAC Name1,4a-dimethyl-6-methylidene-5-(3-methylidenepent-4-en-1-yl)-decahydronaphthalene-1-carboxylic acid
Traditional Name1,4a-dimethyl-6-methylidene-5-(3-methylidenepent-4-en-1-yl)-hexahydro-2H-naphthalene-1-carboxylic acid
CAS Registry NumberNot Available
SMILES
CC12CCCC(C)(C1CCC(=C)C2CCC(=C)C=C)C(O)=O
InChI Identifier
InChI=1S/C20H30O2/c1-6-14(2)8-10-16-15(3)9-11-17-19(16,4)12-7-13-20(17,5)18(21)22/h6,16-17H,1-3,7-13H2,4-5H3,(H,21,22)
InChI KeyJEGUVXRNDRXUDN-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
Callitris rhomboideaLOTUS Database
Hymenaea courbarilLOTUS Database
Juniperus sabinaLOTUS Database
Nepeta tuberosaLOTUS Database
Torreya nuciferaLOTUS Database
Xylopia aromaticaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentDiterpenoids
Alternative Parents
Substituents
  • Diterpenoid
  • Labdane diterpenoid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • 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
logP4.82ALOGPS
logP5.39ChemAxon
logS-5.3ALOGPS
pKa (Strongest Acidic)4.88ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity90.97 m³·mol⁻¹ChemAxon
Polarizability35.82 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0039486
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB019092
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound72780956
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]