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Record Information
Version2.0
Created at2022-09-05 14:19:56 UTC
Updated at2022-09-05 14:19:56 UTC
NP-MRD IDNP0214904
Secondary Accession NumbersNone
Natural Product Identification
Common Nameepiquinine
DescriptionEpiquinine, also known as apo quinidine or quincardine, belongs to the class of organic compounds known as cinchona alkaloids. These are alkaloids structurally characterized by the presence of the cinchonan skeleton, which consists of a quinoline linked to an azabicyclo[2.2.2]Octane moiety. epiquinine is found in Cinchona pubescens. epiquinine was first documented in 2012 (PMID: 24061297). Based on a literature review a small amount of articles have been published on Epiquinine (PMID: 32214482) (PMID: 28581297) (PMID: 22869567) (PMID: 22276975).
Structure
Thumb
Synonyms
ValueSource
QuincardineMeSH
Sulfate, quinidineMeSH
Apo quinidineMeSH
ChinidinMeSH
QuinidexMeSH
QuinoraMeSH
AdaquinMeSH
Apo-quinidineMeSH
QuinidineMeSH
Quinidine sulfateMeSH
Chemical FormulaC20H24N2O2
Average Mass324.4240 Da
Monoisotopic Mass324.18378 Da
IUPAC Name(S)-[(2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl](6-methoxyquinolin-4-yl)methanol
Traditional Name(S)-[(2S,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]octan-2-yl](6-methoxyquinolin-4-yl)methanol
CAS Registry NumberNot Available
SMILES
COC1=CC2=C(C=CN=C2C=C1)[C@H](O)[C@@H]1C[C@@H]2CCN1C[C@@H]2C=C
InChI Identifier
InChI=1S/C20H24N2O2/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3/t13-,14-,19-,20-/m0/s1
InChI KeyLOUPRKONTZGTKE-FEBSWUBLSA-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
Cinchona pubescensLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cinchona alkaloids. These are alkaloids structurally characterized by the presence of the cinchonan skeleton, which consists of a quinoline linked to an azabicyclo[2.2.2]Octane moiety.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassCinchona alkaloids
Sub ClassNot Available
Direct ParentCinchona alkaloids
Alternative Parents
Substituents
  • Cinchonan-skeleton
  • 4-quinolinemethanol
  • Quinoline
  • Anisole
  • Quinuclidine
  • Alkyl aryl ether
  • Aralkylamine
  • Piperidine
  • Pyridine
  • Benzenoid
  • Heteroaromatic compound
  • 1,2-aminoalcohol
  • Tertiary aliphatic amine
  • Tertiary amine
  • Secondary alcohol
  • Ether
  • Azacycle
  • Organoheterocyclic compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Amine
  • Alcohol
  • Organic oxygen compound
  • Aromatic alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic 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
logP2.51ChemAxon
pKa (Strongest Acidic)13.89ChemAxon
pKa (Strongest Basic)9.05ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area45.59 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity94.69 m³·mol⁻¹ChemAxon
Polarizability35.92 ųChemAxon
Number of Rings4ChemAxon
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 ID8624355
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound10448938
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Varro G, Pogranyi B, Grun A, Simon A, Hegedus L, Kadas I: Stereoselective synthesis of trans-dihydronarciclasine derivatives containing a 1,4-benzodioxane moiety. Monatsh Chem. 2018;149(12):2265-2285. doi: 10.1007/s00706-018-2287-7. Epub 2018 Oct 26. [PubMed:32214482 ]
  2. Varro G, Hegedus L, Simon A, Balogh A, Grun A, Leveles I, Vertessy BG, Kadas I: The First Enantioselective Total Synthesis of (-)-trans-Dihydronarciclasine. J Nat Prod. 2017 Jun 23;80(6):1909-1917. doi: 10.1021/acs.jnatprod.7b00208. Epub 2017 Jun 5. [PubMed:28581297 ]
  3. Maier NM, Greco E, Petrovaj J, Lindner W: Chromatographic Enantiomer Separation Using 9-Amino-9-(deoxy)-epiquinine-derived Chiral Selectors: Control of Chiral Recognition via Introduction of Additional Stereogenic Centers. Acta Chim Slov. 2012 Sep;59(3):454-63. [PubMed:24061297 ]
  4. Griffin CE, Hoke JM, Samarakoon U, Duan J, Mu J, Ferdig MT, Warhurst DC, Cooper RA: Mutation in the Plasmodium falciparum CRT protein determines the stereospecific activity of antimalarial cinchona alkaloids. Antimicrob Agents Chemother. 2012 Oct;56(10):5356-64. doi: 10.1128/AAC.05667-11. Epub 2012 Aug 6. [PubMed:22869567 ]
  5. de Villiers KA, Gildenhuys J, le Roex T: Iron(III) protoporphyrin IX complexes of the antimalarial Cinchona alkaloids quinine and quinidine. ACS Chem Biol. 2012 Apr 20;7(4):666-71. doi: 10.1021/cb200528z. Epub 2012 Feb 3. [PubMed:22276975 ]
  6. LOTUS database [Link]