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Record Information
Version2.0
Created at2022-09-12 01:10:00 UTC
Updated at2022-09-12 01:10:00 UTC
NP-MRD IDNP0322412
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2r)-8-hydroxy-10,15-dimethoxy-4-methyl-5-azapentacyclo[10.5.0.0²,⁵.0⁴,⁶.0⁶,¹¹]heptadeca-1(17),7,10,12,14-pentaene-9,16-dione
DescriptionDemecolcinone belongs to the class of organic compounds known as tropones. Tropones are compounds containing a tropone ring, which is a cycloheptatrienone ring bearing a ketone group. (2r)-8-hydroxy-10,15-dimethoxy-4-methyl-5-azapentacyclo[10.5.0.0²,⁵.0⁴,⁶.0⁶,¹¹]heptadeca-1(17),7,10,12,14-pentaene-9,16-dione is found in Colchicum szovitsii. (2r)-8-hydroxy-10,15-dimethoxy-4-methyl-5-azapentacyclo[10.5.0.0²,⁵.0⁴,⁶.0⁶,¹¹]heptadeca-1(17),7,10,12,14-pentaene-9,16-dione was first documented in 2005 (PMID: 15730238). Based on a literature review a small amount of articles have been published on demecolcinone (PMID: 19177900) (PMID: 28959419).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC19H17NO5
Average Mass339.3470 Da
Monoisotopic Mass339.11067 Da
IUPAC Name(2R)-8-hydroxy-10,15-dimethoxy-4-methyl-5-azapentacyclo[10.5.0.0^{2,5}.0^{4,6}.0^{6,11}]heptadeca-1(17),7,10,12,14-pentaene-9,16-dione
Traditional Name(2R)-8-hydroxy-10,15-dimethoxy-4-methyl-5-azapentacyclo[10.5.0.0^{2,5}.0^{4,6}.0^{6,11}]heptadeca-1(17),7,10,12,14-pentaene-9,16-dione
CAS Registry NumberNot Available
SMILES
COC1=C2C3=CC=C(OC)C(=O)C=C3[C@H]3CC4(C)N3C24C=C(O)C1=O
InChI Identifier
InChI=1S/C19H17NO5/c1-18-7-11-10-6-12(21)14(24-2)5-4-9(10)15-17(25-3)16(23)13(22)8-19(15,18)20(11)18/h4-6,8,11,22H,7H2,1-3H3/t11-,18?,19?,20?/m1/s1
InChI KeyJHQXILBWKAUJFN-VGENCSJCSA-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
Colchicum szovitsiiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tropones. Tropones are compounds containing a tropone ring, which is a cycloheptatrienone ring bearing a ketone group.
KingdomOrganic compounds
Super ClassHydrocarbon derivatives
ClassTropones
Sub ClassNot Available
Direct ParentTropones
Alternative Parents
Substituents
  • Tropone
  • Alkyl aryl ether
  • Azepine
  • Aralkylamine
  • Pyrrolidine
  • Vinylaziridine
  • Azetidine
  • Ketone
  • Tertiary amine
  • Tertiary aliphatic amine
  • Cyclic ketone
  • Azacycle
  • Ether
  • Enol
  • Aziridine
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Organic oxygen compound
  • Organic oxide
  • Amine
  • 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
logP0.049ChemAxon
pKa (Strongest Acidic)8.65ChemAxon
pKa (Strongest Basic)1.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area75.84 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity95.23 m³·mol⁻¹ChemAxon
Polarizability34.44 ųChemAxon
Number of Rings5ChemAxon
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 IDC00027139
Chemspider ID24692292
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound44583926
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Alali FQ, Tahboub YR, Al-Daraysih IS, El-Elimat T: LC-MS and LC-PDA vs. phytochemical analysis of Colchicum brachyphyllum. Pharmazie. 2008 Dec;63(12):860-5. [PubMed:19177900 ]
  2. Alali FQ, El-Elimat T, Li C, Qandil A, Alkofahi A, Tawaha K, Burgess JP, Nakanishi Y, Kroll DJ, Navarro HA, Falkinham JO 3rd, Wani MC, Oberlies NH: New colchicinoids from a native Jordanian meadow saffron, colchicum brachyphyllum: isolation of the first naturally occurring dextrorotatory colchicinoid. J Nat Prod. 2005 Feb;68(2):173-8. doi: 10.1021/np0496587. [PubMed:15730238 ]
  3. Chen B, Liu X, Hu YJ, Zhang DM, Deng L, Lu J, Min L, Ye WC, Li CC: Enantioselective total synthesis of (-)-colchicine, (+)-demecolcinone and metacolchicine: determination of the absolute configurations of the latter two alkaloids. Chem Sci. 2017 Jul 1;8(7):4961-4966. doi: 10.1039/c7sc01341h. Epub 2017 May 5. [PubMed:28959419 ]
  4. LOTUS database [Link]