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Record Information
Version2.0
Created at2022-09-10 20:28:46 UTC
Updated at2022-09-10 20:28:47 UTC
NP-MRD IDNP0305002
Secondary Accession NumbersNone
Natural Product Identification
Common Name(4ar,5s,6r,6as,6br,8ar,10s,12ar,12br,14bs)-5,6,10-trihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydropicene-4a-carboxylic acid
DescriptionEntagenic acid, also known as entagenate, belongs to the class of organic compounds known as triterpenoids. These are terpene molecules containing six isoprene units. (4ar,5s,6r,6as,6br,8ar,10s,12ar,12br,14bs)-5,6,10-trihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydropicene-4a-carboxylic acid is found in Entada phaseoloides. (4ar,5s,6r,6as,6br,8ar,10s,12ar,12br,14bs)-5,6,10-trihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydropicene-4a-carboxylic acid was first documented in 2005 (PMID: 16124758). Based on a literature review a small amount of articles have been published on Entagenic acid (PMID: 28993280) (PMID: 25759122).
Structure
Thumb
Synonyms
ValueSource
EntagenateGenerator
Chemical FormulaC30H48O5
Average Mass488.7090 Da
Monoisotopic Mass488.35017 Da
IUPAC Name(4aR,5S,6R,6aS,6bR,8aR,10S,12aR,12bR,14bS)-5,6,10-trihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-icosahydropicene-4a-carboxylic acid
Traditional Name(4aR,5S,6R,6aS,6bR,8aR,10S,12aR,12bR,14bS)-5,6,10-trihydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,7,8,8a,10,11,12,12b,13,14b-tetradecahydropicene-4a-carboxylic acid
CAS Registry NumberNot Available
SMILES
CC1(C)CC[C@@]2([C@H](O)[C@H](O)[C@]3(C)C(=CC[C@@H]4[C@@]5(C)CC[C@H](O)C(C)(C)[C@@H]5CC[C@@]34C)[C@@H]2C1)C(O)=O
InChI Identifier
InChI=1S/C30H48O5/c1-25(2)14-15-30(24(34)35)18(16-25)17-8-9-20-27(5)12-11-21(31)26(3,4)19(27)10-13-28(20,6)29(17,7)22(32)23(30)33/h8,18-23,31-33H,9-16H2,1-7H3,(H,34,35)/t18-,19-,20+,21-,22-,23+,27-,28+,29-,30+/m0/s1
InChI KeyBUOLSBLQAQNNJC-ROVCOPEHSA-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
Entada phaseoloidesLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as triterpenoids. These are terpene molecules containing six isoprene units.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTriterpenoids
Direct ParentTriterpenoids
Alternative Parents
Substituents
  • Triterpenoid
  • Beta-hydroxy acid
  • Hydroxy acid
  • Cyclic alcohol
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Polyol
  • Organic oxide
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxygen compound
  • 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
logP4.45ChemAxon
pKa (Strongest Acidic)4.52ChemAxon
pKa (Strongest Basic)-0.84ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area97.99 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity136.35 m³·mol⁻¹ChemAxon
Polarizability56.62 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID10217428
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound21594206
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Tapondjou AL, Miyamoto T, Mirjolet JF, Guilbaud N, Lacaille-Dubois MA: Pursaethosides A-E, triterpene saponins from Entada pursaetha. J Nat Prod. 2005 Aug;68(8):1185-90. doi: 10.1021/np0580311. [PubMed:16124758 ]
  2. Xiong H, Zhang S, Zhao Z, Zhao P, Chen L, Mei Z: Antidiabetic activities of entagenic acid in type 2 diabetic db/db mice and L6 myotubes via AMPK/GLUT4 pathway. J Ethnopharmacol. 2018 Jan 30;211:366-374. doi: 10.1016/j.jep.2017.10.004. Epub 2017 Oct 7. [PubMed:28993280 ]
  3. Xiong H, Zheng Y, Yang G, Wang H, Mei Z: Triterpene saponins with anti-inflammatory activity from the stems of Entada phaseoloides. Fitoterapia. 2015 Jun;103:33-45. doi: 10.1016/j.fitote.2015.03.001. Epub 2015 Mar 7. [PubMed:25759122 ]
  4. LOTUS database [Link]