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Record Information
Version2.0
Created at2021-06-19 22:17:19 UTC
Updated at2021-06-29 23:59:30 UTC
NP-MRD IDNP0031116
Secondary Accession NumbersNone
Natural Product Identification
Common Namekopsine
Provided ByJEOL DatabaseJEOL Logo
DescriptionKopsine belongs to the class of organic compounds known as aspidofractine alkaloids. These are alkaloids with a structure that is based on the hexacyclic aspidofractine core. These compounds are related to the Aspidosperma group by formation of a C-2 to C-18 bond. kopsine is found in Kopsia dasyrachis and Kopsia fruticosa. kopsine was first documented in 2005 (PMID: 15818570). Based on a literature review a small amount of articles have been published on Kopsine (PMID: 28230294) (PMID: 26717050).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC22H24N2O4
Average Mass380.4440 Da
Monoisotopic Mass380.17361 Da
IUPAC Namemethyl (1R,2S,3R,11S,12S,14R)-12-hydroxy-13-oxo-10,16-diazaheptacyclo[9.8.2.1^{1,12}.0^{2,16}.0^{3,11}.0^{3,14}.0^{4,9}]docosa-4,6,8-triene-10-carboxylate
Traditional Namemethyl (1R,2S,3R,11S,12S,14R)-12-hydroxy-13-oxo-10,16-diazaheptacyclo[9.8.2.1^{1,12}.0^{2,16}.0^{3,11}.0^{3,14}.0^{4,9}]docosa-4,6,8-triene-10-carboxylate
CAS Registry NumberNot Available
SMILES
[H]O[C@]12C(=O)[C@@]3([H])C([H])([H])N4C([H])([H])C([H])([H])C([H])([H])[C@@]5(C([H])([H])C([H])([H])[C@@]11N(C(=O)OC([H])([H])[H])C6=C([H])C([H])=C([H])C([H])=C6[C@@]31[C@@]45[H])C2([H])[H]
InChI Identifier
InChI=1S/C22H24N2O4/c1-28-18(26)24-15-6-3-2-5-13(15)22-14-11-23-10-4-7-19(17(22)23)8-9-21(22,24)20(27,12-19)16(14)25/h2-3,5-6,14,17,27H,4,7-12H2,1H3/t14-,17+,19-,20-,21-,22+/m1/s1
InChI KeyYROYAGSZNDUMIF-MQVQQYNVSA-N
Experimental Spectra
Spectrum TypeDescriptionDepositor EmailDepositor OrganizationDepositorDeposition DateView
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, 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, 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, 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
Kopsia dasyrachisPlant
Kopsia fruticosaJEOL database
    • Glover, R. P., et al, Magn. Reson. Chem. 43, 483 (2005)
Chemical Taxonomy
Description Belongs to the class of organic compounds known as aspidofractine alkaloids. These are alkaloids with a structure that is based on the hexacyclic aspidofractine core. These compounds are related to the Aspidosperma group by formation of a C-2 to C-18 bond.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassAspidofractine alkaloids
Sub ClassNot Available
Direct ParentAspidofractine alkaloids
Alternative Parents
Substituents
  • Aspidofractine skeleton
  • Aspidosperma alkaloid
  • Carbazole
  • Indolecarboxylic acid
  • Indolecarboxylic acid derivative
  • 2,3-cyclopentanoindoline
  • Azaspirodecane
  • Quinolidine
  • Indole or derivatives
  • Indolizidine
  • Aralkylamine
  • Benzenoid
  • N-alkylpyrrolidine
  • Piperidine
  • Cyclic alcohol
  • Carbamic acid ester
  • Pyrrolidine
  • Tertiary alcohol
  • Tertiary aliphatic amine
  • Tertiary amine
  • Ketone
  • Carbonic acid derivative
  • Azacycle
  • Organoheterocyclic compound
  • Organopnictogen compound
  • Amine
  • Alcohol
  • Organic oxide
  • Carbonyl group
  • Organic oxygen compound
  • Organooxygen compound
  • Hydrocarbon derivative
  • Organic nitrogen compound
  • Organonitrogen compound
  • 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
logP0.9ALOGPS
logP1.57ChemAxon
logS-2ALOGPS
pKa (Strongest Acidic)12.24ChemAxon
pKa (Strongest Basic)8.77ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area70.08 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity100.07 m³·mol⁻¹ChemAxon
Polarizability39.69 ųChemAxon
Number of Rings7ChemAxon
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 ID16735868
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound20054949
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Leng L, Zhou X, Liao Q, Wang F, Song H, Zhang D, Liu XY, Qin Y: Asymmetric Total Syntheses of Kopsia Indole Alkaloids. Angew Chem Int Ed Engl. 2017 Mar 20;56(13):3703-3707. doi: 10.1002/anie.201700831. Epub 2017 Feb 23. [PubMed:28230294 ]
  2. Yap WS, Gan CY, Sim KS, Lim SH, Low YY, Kam TS: Aspidofractinine and Eburnane Alkaloids from a North Borneo Kopsia. Ring-Contracted, Additional Ring-Fused, and Paucidactine-Type Aspidofractinine Alkaloids from K. pauciflora. J Nat Prod. 2016 Jan 22;79(1):230-9. doi: 10.1021/acs.jnatprod.5b00992. Epub 2015 Dec 30. [PubMed:26717050 ]
  3. Glover RP, Yoganathan K, Butler MS: NMR spectral assignments of three aspidofractinine alkaloids, kopsine, fruticosine and fruticosamine. Magn Reson Chem. 2005 Jun;43(6):483-5. doi: 10.1002/mrc.1580. [PubMed:15818570 ]
  4. Glover, R. P., et al. (2005). Glover, R. P., et al, Magn. Reson. Chem. 43, 483 (2005). Mag. Reson. Chem..