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Record Information
Version2.0
Created at2022-09-07 18:13:42 UTC
Updated at2022-09-07 18:13:42 UTC
NP-MRD IDNP0254154
Secondary Accession NumbersNone
Natural Product Identification
Common Name(5r,9s,13s)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid
DescriptionEnt-Kaur-16-en-19-oic acid, also known as argyrophilic acid, belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. (5r,9s,13s)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5-carboxylic acid is found in Alepidea serrata, Annona glabra, Annona reticulata, Annona squamosa, Apis mellifera, Aralia cordata, Argyrochosma pallens, Aspilia mossambicensis, Aspilia pluriseta, Bahia ambrosioides, Bedfordia arborescens, Calanticaria greggii, Calocephalus knappii, Hyptis spicigera, Casearia corymbosa, Chrozophora oblongifolia, Copaifera langsdorffii, Critonia hebebotrya, Croton tricolor, Dendroviguiera insignis, Disynaphia multicrenulata, Eleutherococcus trichodon, Eleutherococcus trifoliatus, Espeletia semiglobulata, Guizotia scabra, Helianthus annuus, Helianthus heterophyllus, Helianthus petiolaris, Helianthus porteri, Helianthus radula, Helianthus simulans, Helichrysum kraussii, Helichrysum reflexum, Iostephane heterophylla, Iostephane madrensis, Lasianthaea fruticosa, Loxothysanus sinuatus, Mikania hirsutissima, Mikania vitifolia, Mitrephora celebica, Montanoa frutescens, Montanoa leucantha, Montanoa speciosa, Montanoa tomentosa, Nassauvia darwinii, Othonna sedifolia, Oyedaea verbesinoides, Ozothamnus retusus, Ozothamnus scutellifolius, Pappobolus stuebelii, Perymeniopsis ovalifolia, Porella densifolia, Pseudognaphalium montevidense, Pseudognaphalium viravira, Pseudognaphalium viscosum, Robinsonia thurifera, Sagittaria trifolia, Senecio asperulus, Smallanthus sonchifolius, Solidago missouriensis, Solidago nemoralis, Solidago rugosa, Sphagneticola calendulacea, Sphagneticola trilobata, Stevia lucida, Stevia monardifolia, Viguiera dentata, Viguiera hypargyrea, Viguiera linearis, Dendroviguiera oaxacana, Aldama robusta, Dendroviguiera sylvatica, Wedelia acapulcensis, Wedelia chinensis, Wedelia prostrata, Xylopia aethiopica and Xylopia frutescens. Based on a literature review very few articles have been published on ent-Kaur-16-en-19-oic acid.
Structure
Thumb
Synonyms
ValueSource
ent-Kaur-16-en-19-OateGenerator
Argyrophilic acidMeSH
Kaur-16-en-19-Oic acidMeSH
Chemical FormulaC20H30O2
Average Mass302.4580 Da
Monoisotopic Mass302.22458 Da
IUPAC Name(5R,9S,13S)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid
Traditional Name(5R,9S,13S)-5,9-dimethyl-14-methylidenetetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadecane-5-carboxylic acid
CAS Registry NumberNot Available
SMILES
C[C@@]12CCC[C@](C)(C1CCC13C[C@H](CCC21)C(=C)C3)C(O)=O
InChI Identifier
InChI=1S/C20H30O2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16H,1,4-12H2,2-3H3,(H,21,22)/t14-,15?,16?,18+,19+,20?/m0/s1
InChI KeyNIKHGUQULKYIGE-ZTJPGZAWSA-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
Alepidea serrataLOTUS Database
Annona glabraLOTUS Database
Annona reticulataLOTUS Database
Annona squamosaLOTUS Database
Apis melliferaLOTUS Database
Aralia cordataLOTUS Database
Argyrochosma pallensLOTUS Database
Aspilia mossambicensisLOTUS Database
Aspilia plurisetaLOTUS Database
Bahia ambrosioidesLOTUS Database
Bedfordia arborescensLOTUS Database
Calanticaria greggiiLOTUS Database
Calocephalus knappiiLOTUS Database
Cantinoa americanaLOTUS Database
Casearia corymbosaLOTUS Database
Chrozophora oblongifoliaLOTUS Database
Copaifera langsdorffiiLOTUS Database
Critonia hebebotryaLOTUS Database
Croton tricolorLOTUS Database
Dendroviguiera insignisLOTUS Database
Disynaphia multicrenulataLOTUS Database
Eleutherococcus trichodonLOTUS Database
Eleutherococcus trifoliatusLOTUS Database
Espeletia semiglobulataLOTUS Database
Guizotia scabraLOTUS Database
Helianthus annuusLOTUS Database
Helianthus heterophyllusLOTUS Database
Helianthus petiolarisLOTUS Database
Helianthus porteriLOTUS Database
Helianthus radulaLOTUS Database
Helianthus simulansLOTUS Database
Helichrysum kraussiiLOTUS Database
Helichrysum reflexumLOTUS Database
Iostephane heterophyllaLOTUS Database
Iostephane madrensisLOTUS Database
Lasianthaea fruticosaLOTUS Database
Loxothysanus sinuatusLOTUS Database
Mikania hirsutissimaLOTUS Database
Mikania vitifoliaLOTUS Database
Mitrephora celebicaLOTUS Database
Montanoa frutescensLOTUS Database
Montanoa leucanthaLOTUS Database
Montanoa speciosaLOTUS Database
Montanoa tomentosaLOTUS Database
Nassauvia darwiniiLOTUS Database
Othonna sedifoliaLOTUS Database
Oyedaea verbesinoidesLOTUS Database
Ozothamnus retususLOTUS Database
Ozothamnus scutellifoliusLOTUS Database
Pappobolus stuebeliiLOTUS Database
Perymeniopsis ovalifoliaLOTUS Database
Porella densifoliaLOTUS Database
Pseudognaphalium montevidenseLOTUS Database
Pseudognaphalium viraviraLOTUS Database
Pseudognaphalium viscosumLOTUS Database
Robinsonia thuriferaLOTUS Database
Sagittaria trifoliaLOTUS Database
Senecio asperulusLOTUS Database
Smallanthus sonchifoliusLOTUS Database
Solidago missouriensisLOTUS Database
Solidago nemoralisLOTUS Database
Solidago rugosaLOTUS Database
Sphagneticola calendulaceaLOTUS Database
Sphagneticola trilobataLOTUS Database
Stevia lucidaLOTUS Database
Stevia monardifoliaLOTUS Database
Viguiera dentataLOTUS Database
Viguiera hypargyreaLOTUS Database
Viguiera linearisLOTUS Database
Viguiera oaxacanaLOTUS Database
Viguiera robustaLOTUS Database
Viguiera sylvaticaLOTUS Database
Wedelia acapulcensisLOTUS Database
Wedelia chinensisLOTUS Database
Wedelia prostrataLOTUS Database
Xylopia aethiopicaLOTUS Database
Xylopia frutescensLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentKaurane diterpenoids
Alternative Parents
Substituents
  • Kaurane 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
logP4.81ChemAxon
pKa (Strongest Acidic)4.84ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity87.36 m³·mol⁻¹ChemAxon
Polarizability35.3 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00000881
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound49775756
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]