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Record Information
Version1.0
Created at2022-09-09 22:21:54 UTC
Updated at2022-09-09 22:21:54 UTC
NP-MRD IDNP0291319
Secondary Accession NumbersNone
Natural Product Identification
Common Name(3as,4s,7s,8as)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-3ah,4h,7h,8h,8ah-cyclohepta[b]furan-4-yl acetate
Description(3AS,4S,7S,8aS)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-2H,3H,3aH,4H,7H,8H,8aH-cyclohepta[b]furan-4-yl acetate belongs to the class of organic compounds known as xanthanolides. These are sesquiterpenoids with a structure based on the xanthanolide skeleton consistsing of a cycloheptane ring usually attached to a four-carbon chain (at carbon 1 ) and a methyl group (at carbon 10), and fused to a five-member lactone ring (sharing carbons 7 and 8). The lactone ring can be conjugated with a methyl or methylene group at position 11. (3as,4s,7s,8as)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-3ah,4h,7h,8h,8ah-cyclohepta[b]furan-4-yl acetate is found in Pentanema britannicum. Based on a literature review very few articles have been published on (3aS,4S,7S,8aS)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-2H,3H,3aH,4H,7H,8H,8aH-cyclohepta[b]furan-4-yl acetate.
Structure
Thumb
Synonyms
ValueSource
(3AS,4S,7S,8as)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-2H,3H,3ah,4H,7H,8H,8ah-cyclohepta[b]furan-4-yl acetic acidGenerator
Chemical FormulaC17H22O5
Average Mass306.3580 Da
Monoisotopic Mass306.14672 Da
IUPAC Name(3aS,4S,7S,8aS)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-2H,3H,3aH,4H,7H,8H,8aH-cyclohepta[b]furan-4-yl acetate
Traditional Name(3aS,4S,7S,8aS)-7-methyl-3-methylidene-2-oxo-6-(3-oxobutyl)-3aH,4H,7H,8H,8aH-cyclohepta[b]furan-4-yl acetate
CAS Registry NumberNot Available
SMILES
C[C@H]1C[C@@H]2OC(=O)C(=C)[C@@H]2[C@@H](OC(C)=O)C=C1CCC(C)=O
InChI Identifier
InChI=1S/C17H22O5/c1-9-7-14-16(11(3)17(20)22-14)15(21-12(4)19)8-13(9)6-5-10(2)18/h8-9,14-16H,3,5-7H2,1-2,4H3/t9-,14-,15-,16-/m0/s1
InChI KeyMLXCWANLSPBFEG-JTXWPSEQSA-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
Pentanema britannicumLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthanolides. These are sesquiterpenoids with a structure based on the xanthanolide skeleton consistsing of a cycloheptane ring usually attached to a four-carbon chain (at carbon 1 ) and a methyl group (at carbon 10), and fused to a five-member lactone ring (sharing carbons 7 and 8). The lactone ring can be conjugated with a methyl or methylene group at position 11.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTerpene lactones
Direct ParentXanthanolides
Alternative Parents
Substituents
  • Xanthanolide-skeleton
  • Sesquiterpenoid
  • Xanthane sesquiterpenoid
  • Dicarboxylic acid or derivatives
  • Gamma butyrolactone
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Tetrahydrofuran
  • Lactone
  • Ketone
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Organoheterocyclic compound
  • Oxacycle
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic heteropolycyclic 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
logP1.88ChemAxon
pKa (Strongest Acidic)19.6ChemAxon
pKa (Strongest Basic)-6.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area69.67 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity80.43 m³·mol⁻¹ChemAxon
Polarizability32.19 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound162928120
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. LOTUS database [Link]