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Record Information
Version1.0
Created at2021-06-20 18:06:49 UTC
Updated at2021-06-30 00:04:42 UTC
NP-MRD IDNP0034362
Secondary Accession NumbersNone
Natural Product Identification
Common Name7beta-hydroxycucurbitacin B
Provided ByJEOL DatabaseJEOL Logo
Description7Beta-hydroxycucurbitacin B belongs to the class of organic compounds known as cucurbitacins. These are polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions. 7beta-hydroxycucurbitacin B is found in Cucumis melo. It was first documented in 2009 (Chen, C., et al.). Based on a literature review very few articles have been published on 7beta-hydroxycucurbitacin B.
Structure
Thumb
Synonyms
ValueSource
7b-Hydroxycucurbitacin bGenerator
7Β-hydroxycucurbitacin bGenerator
Chemical FormulaC32H46O9
Average Mass574.7110 Da
Monoisotopic Mass574.31418 Da
IUPAC Name(3E,6R)-6-hydroxy-2-methyl-5-oxo-6-[(1S,2R,4S,9S,10S,11S,13R,14R,15R)-4,9,13-trihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]hept-3-en-2-yl acetate
Traditional Name(3E,6R)-6-hydroxy-2-methyl-5-oxo-6-[(1S,2R,4S,9S,10S,11S,13R,14R,15R)-4,9,13-trihydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-7-en-14-yl]hept-3-en-2-yl acetate
CAS Registry NumberNot Available
SMILES
[H]O[C@]1([H])C([H])([H])[C@@]2(C([H])([H])[H])[C@]3([H])[C@@]([H])(O[H])C([H])=C4[C@@]([H])(C([H])([H])[C@]([H])(O[H])C(=O)C4(C([H])([H])[H])C([H])([H])[H])[C@@]3(C(=O)C([H])([H])[C@]2(C([H])([H])[H])[C@@]1([H])[C@@](O[H])(C(=O)C(\[H])=C(/[H])C(OC(=O)C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C([H])([H])[H])C([H])([H])[H]
InChI Identifier
InChI=1S/C32H46O9/c1-16(33)41-27(2,3)11-10-22(37)32(9,40)25-21(36)14-29(6)24-19(34)12-17-18(13-20(35)26(39)28(17,4)5)31(24,8)23(38)15-30(25,29)7/h10-12,18-21,24-25,34-36,40H,13-15H2,1-9H3/b11-10+/t18-,19+,20+,21-,24+,25+,29+,30-,31-,32+/m1/s1
InChI KeyJWTLSWGHJPRCIB-JLEYTYLISA-N
Experimental Spectra
Spectrum TypeDescriptionDepositor EmailDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 400 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, CDCl3, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Cucumis meloJEOL database
    • Chen, C., et al, J. Nat. Prod. 72, 824 (2009)
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cucurbitacins. These are polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassCucurbitacins
Direct ParentCucurbitacins
Alternative Parents
Substituents
  • Cucurbitacin skeleton
  • Triterpenoid
  • 22-oxosteroid
  • 21-oxosteroid
  • 20-hydroxysteroid
  • Steroid ester
  • 3-oxo-delta-5-steroid
  • 2-hydroxysteroid
  • Hydroxysteroid
  • 11-oxosteroid
  • 3-oxosteroid
  • 14-alpha-methylsteroid
  • Oxosteroid
  • 16-alpha-hydroxysteroid
  • 7-hydroxysteroid
  • 7-alpha-hydroxysteroid
  • 16-hydroxysteroid
  • Delta-5-steroid
  • Acyloin
  • Alpha-hydroxy ketone
  • Alpha,beta-unsaturated ketone
  • Tertiary alcohol
  • Cyclic alcohol
  • Enone
  • Acryloyl-group
  • Cyclic ketone
  • Secondary alcohol
  • Carboxylic acid ester
  • Ketone
  • Carboxylic acid derivative
  • Polyol
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Alcohol
  • Organooxygen compound
  • Organic oxygen compound
  • 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
logP2.55ALOGPS
logP1.98ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)12.79ChemAxon
pKa (Strongest Basic)-2.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area158.43 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity152.48 m³·mol⁻¹ChemAxon
Polarizability61.51 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID24612417
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound44139608
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Chen, C., et al. (2009). Chen, C., et al, J. Nat. Prod. 72, 824 (2009). J. Nat. Prod..