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Record Information
Version2.0
Created at2022-09-03 14:39:18 UTC
Updated at2022-09-03 14:39:18 UTC
NP-MRD IDNP0176909
Secondary Accession NumbersNone
Natural Product Identification
Common Name(1z,3e,6z,10z)-14-isopropyl-3,7,11-trimethylcyclotetradeca-1,3,6,10-tetraene
DescriptionCembrene, also known as thunbergen or thumbelene, belongs to the class of organic compounds known as cembrane diterpenoids. These are diterpenoids with a structure based a cembrane skeleton, which is characterized by the presence of an isopropyl group at C-1 and by three symmetrically disposed methyl groups a the t C-4, -8 and -12 positions. Cembrene A itself has little importance as chemical entity, being a trail pheromone for termites; however, the chemical structure of cembrene is central to a very wide variety of other natural products found both in plants and in animals. Cembrenes are biosynthesized by macrocyclization of geranylgeranyl pyrophosphate. Cembrene is possibly neutral. Outside of the human body, Cembrene has been detected, but not quantified in, fats and oils and herbs and spices. This could make cembrene a potential biomarker for the consumption of these foods. Cembrene A, or sometimes neocembrene, is a natural monocyclic diterpene isolated from corals of the genus Nephthea. (1z,3e,6z,10z)-14-isopropyl-3,7,11-trimethylcyclotetradeca-1,3,6,10-tetraene is found in Larix lyallii. (1z,3e,6z,10z)-14-isopropyl-3,7,11-trimethylcyclotetradeca-1,3,6,10-tetraene was first documented in 2004 (PMID: 15620244). It is a colorless oil with a faint wax-like odor.
Structure
Thumb
Synonyms
ValueSource
(+)-CembreneHMDB
(+)-ThunbergenHMDB
(1S,2E,7E,11E)-2,4(18),7,11-CembratraeneHMDB
Cembrene aHMDB
ThumbeleneHMDB
ThunbergenHMDB
ThunbergeneHMDB
Chemical FormulaC20H32
Average Mass272.4681 Da
Monoisotopic Mass272.25040 Da
IUPAC Name(1Z,3E,6Z,10Z)-3,7,11-trimethyl-14-(propan-2-yl)cyclotetradeca-1,3,6,10-tetraene
Traditional Name(1Z,3E,6Z,10Z)-14-isopropyl-3,7,11-trimethylcyclotetradeca-1,3,6,10-tetraene
CAS Registry NumberNot Available
SMILES
CC(C)C1CC\C(C)=C/CC\C(C)=C/C\C=C(/C)\C=C/1
InChI Identifier
InChI=1S/C20H32/c1-16(2)20-14-12-18(4)10-6-8-17(3)9-7-11-19(5)13-15-20/h8,10-12,14,16,20H,6-7,9,13,15H2,1-5H3/b14-12-,17-8-,18-10+,19-11-
InChI KeyDMHADBQKVWXPPM-ZRMRITCRSA-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
Larix lyalliiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cembrane diterpenoids. These are diterpenoids with a structure based a cembrane skeleton, which is characterized by the presence of an isopropyl group at C-1 and by three symmetrically disposed methyl groups a the t C-4, -8 and -12 positions.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassDiterpenoids
Direct ParentCembrane diterpenoids
Alternative Parents
Substituents
  • Cembrane diterpenoid
  • Branched unsaturated hydrocarbon
  • Cyclic olefin
  • Unsaturated aliphatic hydrocarbon
  • Unsaturated hydrocarbon
  • Olefin
  • Hydrocarbon
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic 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
logP6.9ALOGPS
logP6.52ChemAxon
logS-5.1ALOGPS
Physiological Charge0ChemAxon
Hydrogen Acceptor Count0ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area0 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity95.42 m³·mol⁻¹ChemAxon
Polarizability35.32 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0036845
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB015797
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC11893
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkCembrene A
METLIN IDNot Available
PubChem Compound131752064
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Sawant SS, Sylvester PW, Avery MA, Desai P, Youssef DT, El Sayed KA: Bioactive rearranged and halogenated semisynthetic derivatives of the marine natural product sarcophine. J Nat Prod. 2004 Dec;67(12):2017-23. doi: 10.1021/np0497393. [PubMed:15620244 ]
  2. LOTUS database [Link]