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Record Information
Version2.0
Created at2022-03-17 20:08:07 UTC
Updated at2022-03-17 20:08:07 UTC
NP-MRD IDNP0046573
Secondary Accession NumbersNone
Natural Product Identification
Common NameLimonoate a-ring-lactone
DescriptionLimonoate a-ring-lactone 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. Limonoate a-ring-lactone is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
ValueSource
Limonoic acid a-ring-lactoneGenerator
Chemical FormulaC26H32O9
Average Mass488.5330 Da
Monoisotopic Mass488.20463 Da
IUPAC Name(1'R,2R,2'R,3S,5'S,7'R,10'R,13'S)-5'-[(R)-(furan-3-yl)(hydroxy)methyl]-5',7',11',11'-tetramethyl-8',15'-dioxo-12',16'-dioxaspiro[oxirane-2,6'-tetracyclo[8.7.0.0¹,¹³.0²,⁷]heptadecane]-3-carboxylic acid
Traditional Namelimonoate A-ring-lactone
CAS Registry NumberNot Available
SMILES
[H][C@](O)(C1=COC=C1)[C@]1(C)CC[C@]2([H])[C@@]34COC(=O)C[C@]3([H])OC(C)(C)[C@]4([H])CC(=O)[C@@]2(C)[C@]11O[C@]1([H])C(O)=O
InChI Identifier
InChI=1S/C26H32O9/c1-22(2)15-9-16(27)24(4)14(25(15)12-33-18(28)10-17(25)34-22)5-7-23(3,19(29)13-6-8-32-11-13)26(24)20(35-26)21(30)31/h6,8,11,14-15,17,19-20,29H,5,7,9-10,12H2,1-4H3,(H,30,31)/t14-,15-,17-,19-,20+,23-,24-,25+,26+/m0/s1
InChI KeyJQTDUZWQZNXSOU-MSGMIQHVSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Citrus limonFooDB
Citrus X sinensis (L.) Osbeck (pro. sp.)FooDB
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
  • Delta valerolactone
  • Delta_valerolactone
  • Dicarboxylic acid or derivatives
  • Oxane
  • Oxirane carboxylic acid
  • Oxirane carboxylic acid or derivatives
  • Furan
  • Heteroaromatic compound
  • Tetrahydrofuran
  • Carboxylic acid ester
  • Ketone
  • Lactone
  • Secondary alcohol
  • Oxacycle
  • Ether
  • Oxirane
  • Dialkyl ether
  • Carboxylic acid
  • Organoheterocyclic compound
  • Carboxylic acid derivative
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Organooxygen compound
  • Aromatic alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
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
logP2.37ALOGPS
logP1.79ChemAxon
logS-3.5ALOGPS
pKa (Strongest Acidic)4.07ChemAxon
pKa (Strongest Basic)-2.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area135.8 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity118.21 m³·mol⁻¹ChemAxon
Polarizability49.21 ųChemAxon
Number of Rings6ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB005048
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC16718
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound46173816
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General ReferencesNot Available