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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 21:08:41 UTC
Update Date2022-03-07 02:54:46 UTC
HMDB IDHMDB0036075
Secondary Accession Numbers
  • HMDB36075
Metabolite Identification
Common NameLimonexic acid
DescriptionLimonexic acid, also known as limonexate or limonexin, belongs to the class of organic compounds known as limonoids. These are highly oxygenated, modified terpenoids with a prototypical structure either containing or derived from a precursor with a 4,4,8-trimethyl-17-furanylsteroid skeleton. All naturally occurring citrus limonoids contain a furan ring attached to the D-ring, at C-17, as well as oxygen containing functional groups at C-3, C-4, C-7, C-16 and C-17. Limonexic acid is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1563862817
Synonyms
ValueSource
LimonexateGenerator
LimonexinHMDB
Shihulimonin aHMDB
Chemical FormulaC26H30O10
Average Molecular Weight502.5104
Monoisotopic Molecular Weight502.18389718
IUPAC Name19-(2-hydroxy-5-oxo-2,5-dihydrofuran-3-yl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.0²,⁷.0²,¹⁰.0¹⁴,¹⁶.0¹⁴,²⁰]docosane-5,12,17-trione
Traditional Name19-(2-hydroxy-5-oxo-2H-furan-3-yl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.0²,⁷.0²,¹⁰.0¹⁴,¹⁶.0¹⁴,²⁰]docosane-5,12,17-trione
CAS Registry Number99026-99-0
SMILES
CC1(C)OC2CC(=O)OCC22C1CC(=O)C1(C)C2CCC2(C)C(OC(=O)C3OC123)C1=CC(=O)OC1O
InChI Identifier
InChI=1S/C26H30O10/c1-22(2)13-8-14(27)24(4)12(25(13)10-32-16(28)9-15(25)35-22)5-6-23(3)18(11-7-17(29)33-20(11)30)34-21(31)19-26(23,24)36-19/h7,12-13,15,18-20,30H,5-6,8-10H2,1-4H3
InChI KeyRTPPVNISJHFPFX-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as limonoids. These are highly oxygenated, modified terpenoids with a prototypical structure either containing or derived from a precursor with a 4,4,8-trimethyl-17-furanylsteroid skeleton. All naturally occurring citrus limonoids contain a furan ring attached to the D-ring, at C-17, as well as oxygen containing functional groups at C-3, C-4, C-7, C-16 and C-17.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTriterpenoids
Direct ParentLimonoids
Alternative Parents
Substituents
  • Limonoid skeleton
  • Steroid lactone
  • 11-oxosteroid
  • Oxosteroid
  • 2-oxosteroid
  • Steroid
  • Naphthopyran
  • Naphthalene
  • Tricarboxylic acid or derivatives
  • 1,4-dioxepane
  • Delta valerolactone
  • Dioxepane
  • Delta_valerolactone
  • Oxane
  • Pyran
  • 2-furanone
  • Tetrahydrofuran
  • Enoate ester
  • Alpha,beta-unsaturated carboxylic ester
  • Dihydrofuran
  • Carboxylic acid ester
  • Lactone
  • Ketone
  • Hemiacetal
  • Organoheterocyclic compound
  • Oxacycle
  • Carboxylic acid derivative
  • Dialkyl ether
  • Oxirane
  • Ether
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Carbonyl group
  • Organooxygen compound
  • Organic oxide
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point285 - 286 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.14 g/LALOGPS
logP1.83ALOGPS
logP1.25ChemAxon
logS-3.6ALOGPS
pKa (Strongest Acidic)5.3ChemAxon
pKa (Strongest Basic)-3.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area137.96 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity117.67 m³·mol⁻¹ChemAxon
Polarizability49.48 ųChemAxon
Number of Rings7ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+212.5831661259
DarkChem[M-H]-205.11331661259
DeepCCS[M-2H]-232.93430932474
DeepCCS[M+Na]+208.35930932474
AllCCS[M+H]+212.832859911
AllCCS[M+H-H2O]+211.132859911
AllCCS[M+NH4]+214.432859911
AllCCS[M+Na]+214.932859911
AllCCS[M-H]-216.632859911
AllCCS[M+Na-2H]-217.832859911
AllCCS[M+HCOO]-219.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Limonexic acidCC1(C)OC2CC(=O)OCC22C1CC(=O)C1(C)C2CCC2(C)C(OC(=O)C3OC123)C1=CC(=O)OC1O4048.8Standard polar33892256
Limonexic acidCC1(C)OC2CC(=O)OCC22C1CC(=O)C1(C)C2CCC2(C)C(OC(=O)C3OC123)C1=CC(=O)OC1O3446.7Standard non polar33892256
Limonexic acidCC1(C)OC2CC(=O)OCC22C1CC(=O)C1(C)C2CCC2(C)C(OC(=O)C3OC123)C1=CC(=O)OC1O4513.0Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Limonexic acid,1TMS,isomer #1CC1(C)OC2CC(=O)OCC23C1CC(=O)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C)OC(=O)C3OC3213964.5Semi standard non polar33892256
Limonexic acid,1TMS,isomer #2CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O)OC(=O)C3OC3213900.2Semi standard non polar33892256
Limonexic acid,2TMS,isomer #1CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C)OC(=O)C3OC3213855.3Semi standard non polar33892256
Limonexic acid,2TMS,isomer #1CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C)OC(=O)C3OC3213580.3Standard non polar33892256
Limonexic acid,1TBDMS,isomer #1CC1(C)OC2CC(=O)OCC23C1CC(=O)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C(C)(C)C)OC(=O)C3OC3214208.5Semi standard non polar33892256
Limonexic acid,1TBDMS,isomer #2CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C(C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O)OC(=O)C3OC3214148.4Semi standard non polar33892256
Limonexic acid,2TBDMS,isomer #1CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C(C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C(C)(C)C)OC(=O)C3OC3214312.9Semi standard non polar33892256
Limonexic acid,2TBDMS,isomer #1CC1(C)OC2CC(=O)OCC23C1C=C(O[Si](C)(C)C(C)(C)C)C1(C)C3CCC2(C)C(C3=CC(=O)OC3O[Si](C)(C)C(C)(C)C)OC(=O)C3OC3214001.0Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Limonexic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-05fu-1043900000-70c2fe4a483f77ba09682017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Limonexic acid GC-MS (1 TMS) - 70eV, Positivesplash10-074l-6025090000-3025e08431ce60c8cbf92017-10-06Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 10V, Positive-QTOFsplash10-0udr-0001930000-e07bb1050cc713e2ca9c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 20V, Positive-QTOFsplash10-0k9m-0002900000-077516246d5230a2cdcd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 40V, Positive-QTOFsplash10-01ot-4974100000-de61690f44d7bc867aa52016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 10V, Negative-QTOFsplash10-0pb9-0000920000-5fc6cda5ce0caf479d5c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 20V, Negative-QTOFsplash10-0a4i-1000900000-57e000a0358b6bd4335d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 40V, Negative-QTOFsplash10-0006-9202500000-6090d00423e79a2d65d22016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 10V, Negative-QTOFsplash10-0a4i-0000910000-a2eb9909c1dff49072152021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 20V, Negative-QTOFsplash10-0zfr-0000970000-f9edc24e822a853462982021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 40V, Negative-QTOFsplash10-0zor-2000910000-0d32d29d379ae7d2a40e2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 10V, Positive-QTOFsplash10-0udi-0000390000-50351e2e43c8a178f3862021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 20V, Positive-QTOFsplash10-0zg0-0010950000-5f846ad51591f6faaf252021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Limonexic acid 40V, Positive-QTOFsplash10-0h5g-0540910000-088c4d131510c48690422021-09-24Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB014907
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound76419898
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.