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Record Information
Version2.0
Created at2022-09-08 12:30:53 UTC
Updated at2022-09-08 12:30:53 UTC
NP-MRD IDNP0267666
Secondary Accession NumbersNone
Natural Product Identification
Common Name(9r,12r)-5,5,9,13-tetramethylpentacyclo[11.2.1.0¹,¹⁰.0⁴,⁹.0¹²,¹⁴]hexadecan-6-one
DescriptionEnt-trachyloban-3-one 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. (9r,12r)-5,5,9,13-tetramethylpentacyclo[11.2.1.0¹,¹⁰.0⁴,⁹.0¹²,¹⁴]hexadecan-6-one is found in Croton insularis. (9r,12r)-5,5,9,13-tetramethylpentacyclo[11.2.1.0¹,¹⁰.0⁴,⁹.0¹²,¹⁴]hexadecan-6-one was first documented in 2004 (PMID: 15110699). Based on a literature review a small amount of articles have been published on ent-trachyloban-3-one (PMID: 32696611) (PMID: 16223091).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC20H30O
Average Mass286.4590 Da
Monoisotopic Mass286.22967 Da
IUPAC Name(9R,12R)-5,5,9,13-tetramethylpentacyclo[11.2.1.0^{1,10}.0^{4,9}.0^{12,14}]hexadecan-6-one
Traditional Name(9R,12R)-5,5,9,13-tetramethylpentacyclo[11.2.1.0^{1,10}.0^{4,9}.0^{12,14}]hexadecan-6-one
CAS Registry NumberNot Available
SMILES
CC12CC34CC1[C@H]2CC3[C@@]1(C)CCC(=O)C(C)(C)C1CC4
InChI Identifier
InChI=1S/C20H30O/c1-17(2)14-5-8-20-10-13-12(19(13,4)11-20)9-15(20)18(14,3)7-6-16(17)21/h12-15H,5-11H2,1-4H3/t12-,13?,14?,15?,18+,19?,20?/m1/s1
InChI KeyDVXUPVLGDAAEFK-UTYZHPQJSA-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
Croton insularisLOTUS 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
  • Villanovane, atisane, trachylobane or helvifulvane diterpenoid
  • Atisane diterpenoid
  • Alkaloid or derivatives
  • Cyclic ketone
  • Ketone
  • 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
logP4.53ChemAxon
pKa (Strongest Acidic)19.96ChemAxon
pKa (Strongest Basic)-7.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity84.58 m³·mol⁻¹ChemAxon
Polarizability34.54 ųChemAxon
Number of Rings5ChemAxon
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 IDC00035605
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound91750048
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Xu ZJ, Zong Y, Qiao YN, Zhang JZ, Liu X, Zhu MZ, Xu Y, Zheng H, Fang L, Wang XN, Lou HX: Divergent Total Synthesis of Euphoranginol C, Euphoranginone D, ent-Trachyloban-3beta-ol, ent-Trachyloban-3-one, Excoecarin E, and ent-16alpha-Hydroxy-atisane-3-one. Angew Chem Int Ed Engl. 2020 Nov 2;59(45):19919-19923. doi: 10.1002/anie.202009128. Epub 2020 Aug 31. [PubMed:32696611 ]
  2. Block S, Brkic D, Hubert P, Quetin-Leclercq J: A validated method for the quantification of pimarane and trachylobane diterpenes in the leaves of Croton zambesicus by capillary gas chromatography. Phytochem Anal. 2005 Sep-Oct;16(5):342-8. doi: 10.1002/pca.855. [PubMed:16223091 ]
  3. Block S, Baccelli C, Tinant B, Van Meervelt L, Rozenberg R, Habib Jiwan JL, Llabres G, De Pauw-Gillet MC, Quetin-Leclercq J: Diterpenes from the leaves of Croton zambesicus. Phytochemistry. 2004 Apr;65(8):1165-71. doi: 10.1016/j.phytochem.2004.02.023. [PubMed:15110699 ]
  4. LOTUS database [Link]