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Record Information
Version2.0
Created at2022-09-09 06:12:48 UTC
Updated at2022-09-09 06:12:48 UTC
NP-MRD IDNP0280423
Secondary Accession NumbersNone
Natural Product Identification
Common Name(1r,3as,3bs,7s,9ar,9bs,11ar)-1-[(2r,3e,5s)-5,6-dimethylhept-3-en-2-yl]-9a,11a-dimethyl-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-ol
DescriptionBrassicasterol belongs to the class of organic compounds known as ergosterols and derivatives. These are steroids containing ergosta-5,7,22-trien-3beta-ol or a derivative thereof, which is based on the 3beta-hydroxylated ergostane skeleton. Thus, brassicasterol is considered to be a sterol lipid molecule. Its relatively high concentration and stability allows it to be used in the assessment of the origin of organic matter in samples, especially sediments. Brassicasterol is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Outside of the human body, brassicasterol is found, on average, in the highest concentration in common walnuts. Brassicasterol has also been detected, but not quantified in, several different foods, such as pecan nuts, pepper (c. Frutescens), redcurrants, alfalfa, and leeks. This could make brassicasterol a potential biomarker for the consumption of these foods. A list of the algae in which brassicasterol has been identified is shown below together with approximate composition. However, the cholesterol behaves in a similar manner, and the ratio brassicasterol/cholesterol is fairly uniform at all depths, indicating either a comparable degradation rate with no change in source or different degradation rates and a change in source. This means that, in most environmental systems, brassicasterol will be associated with the solid phase. The free sterols are then separated from the polar lipids by partitioning into a less polar solvent (e.G, hexane). (1r,3as,3bs,7s,9ar,9bs,11ar)-1-[(2r,3e,5s)-5,6-dimethylhept-3-en-2-yl]-9a,11a-dimethyl-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9h,9bh,10h,11h-cyclopenta[a]phenanthren-7-ol is found in Alitta succinea, Aplysina fistularis, Aureoumbra lagunensis, Axinella aruensis, Axinella cannabina, Baccharoides anthelmintica, Brassica juncea, Bugula neritina, Cymodocea nodosa, Dicrateria inornata, Diplopterygium glaucum, Dragmacidon lunaecharta, Echinometra lucunter, Haliclona oculata, Hydrodictyon reticulatum, Kalanchoe petitiana, Mikania campanulata, Nervilia plicata, Petrosia weinbergi, Phallusia nigra, Chrysotila lamellosa, Tuber melanosporum and Verongula gigantea. The mass spectrum for the TMS ether of brassicasterol can be seen in the figure.
Structure
Thumb
Synonyms
ValueSource
24(R)-Methylcholesta-5,22E-dien-3beta-olHMDB
24-Methylcholesta-5,22-dien-3beta-olHMDB
5,22-Ergostadien-3beta-olHMDB
5,22-ErgostadienolHMDB
BrassicasterinHMDB
Ergosta-5,22(e)-dien-3beta-olHMDB
Ergosta-5,22-dien-3beta-olHMDB
delta25-CrinosterolHMDB
CrinosterolMeSH
Chemical FormulaC28H46O
Average Mass398.6642 Da
Monoisotopic Mass398.35487 Da
IUPAC Name(1S,2R,5S,10S,11S,14R,15R)-14-[(2R,3E,5S)-5,6-dimethylhept-3-en-2-yl]-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-ol
Traditional Name(1S,2R,5S,10S,11S,14R,15R)-14-[(2R,3E,5S)-5,6-dimethylhept-3-en-2-yl]-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-5-ol
CAS Registry NumberNot Available
SMILES
[H]\C(=C(\[H])[C@@]([H])(C)[C@@]1([H])CC[C@@]2([H])[C@]3([H])CC=C4C[C@@]([H])(O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@@]([H])(C)C(C)C
InChI Identifier
InChI=1S/C28H46O/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(29)13-15-27(21,5)26(23)14-16-28(24,25)6/h7-9,18-20,22-26,29H,10-17H2,1-6H3/b8-7+/t19-,20-,22+,23+,24-,25+,26+,27+,28-/m1/s1
InChI KeyOILXMJHPFNGGTO-SDMVIZLASA-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
Alitta succineaLOTUS Database
Aplysina fistularisLOTUS Database
Aureoumbra lagunensisLOTUS Database
Axinella aruensisLOTUS Database
Axinella cannabinaLOTUS Database
Baccharoides anthelminticaLOTUS Database
Brassica junceaLOTUS Database
Bugula neritinaLOTUS Database
Cymodocea nodosaLOTUS Database
Dicrateria inornataLOTUS Database
Diplopterygium glaucumLOTUS Database
Dragmacidon lunaechartaLOTUS Database
Echinometra lucunterLOTUS Database
Haliclona oculataLOTUS Database
Hydrodictyon reticulatumLOTUS Database
Kalanchoe petitianaLOTUS Database
Mikania campanulataLOTUS Database
Nervilia plicataLOTUS Database
Petrosia weinbergiLOTUS Database
Phallusia nigraLOTUS Database
Ruttnera lamellosaLOTUS Database
Tuber melanosporumLOTUS Database
Verongula giganteaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as ergosterols and derivatives. These are steroids containing ergosta-5,7,22-trien-3beta-ol or a derivative thereof, which is based on the 3beta-hydroxylated ergostane skeleton.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassErgostane steroids
Direct ParentErgosterols and derivatives
Alternative ParentsNot Available
SubstituentsNot Available
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
logP6.48ALOGPS
logP7.04ChemAxon
logS-7.1ALOGPS
pKa (Strongest Acidic)18.2ChemAxon
pKa (Strongest Basic)-1.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity126.28 m³·mol⁻¹ChemAxon
Polarizability50.8 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0011181
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB012496
KNApSAcK IDC00003646
Chemspider ID4446752
KEGG Compound IDC08813
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkBrassicasterol
METLIN IDNot Available
PubChem Compound5283660
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]