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Record Information
Version2.0
Created at2022-04-28 12:18:19 UTC
Updated at2022-04-28 12:18:19 UTC
NP-MRD IDNP0067450
Secondary Accession NumbersNone
Natural Product Identification
Common NamePseudostrychnine
DescriptionPseudostrychnine belongs to the class of organic compounds known as strychnos alkaloids. These are alkaloids having a core structure based on the strychnan, stemmadenine (seco-curan), or the akuammicine (curan) skeleton. Pseudostrychnine is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Pseudostrychnine is found in Strychnos icaja, Strychnos lucida R.Br., Strychnos nux-vomica and Strychnos nux-vomica L. . Pseudostrychnine was first documented in 1948 (PMID: 18869451). Based on a literature review a small amount of articles have been published on pseudostrychnine (PMID: 12560037) (PMID: 22707864) (PMID: 19235686) (PMID: 18878794).
Structure
Thumb
Synonyms
ValueSource
(-)-PseudostrychnineChEBI
16-HydroxystrychnineChEBI
Chemical FormulaC21H22N2O3
Average Mass350.4180 Da
Monoisotopic Mass350.16304 Da
IUPAC Name(1S,11S,18R,20R,21R,22S)-18-hydroxy-12-oxa-8,17-diazaheptacyclo[15.5.2.0^{1,18}.0^{2,7}.0^{8,22}.0^{11,21}.0^{15,20}]tetracosa-2,4,6,14-tetraen-9-one
Traditional Name(1S,11S,18R,20R,21R,22S)-18-hydroxy-12-oxa-8,17-diazaheptacyclo[15.5.2.0^{1,18}.0^{2,7}.0^{8,22}.0^{11,21}.0^{15,20}]tetracosa-2,4,6,14-tetraen-9-one
CAS Registry NumberNot Available
SMILES
O[C@]12C[C@@H]3[C@@H]4[C@@H]5N6C7=CC=CC=C7[C@]15CCN2CC3=CCO[C@H]4CC6=O
InChI Identifier
InChI=1S/C21H22N2O3/c24-17-9-16-18-13-10-21(25)20(6-7-22(21)11-12(13)5-8-26-16)14-3-1-2-4-15(14)23(17)19(18)20/h1-5,13,16,18-19,25H,6-11H2/t13-,16-,18-,19-,20-,21+/m0/s1
InChI KeyHCCFPODVEOBUMM-YOQTYQRRSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Strychnos icajaPlant
Strychnos lucida R.Br.Plant
Strychnos nux-vomicaLOTUS Database
Strychnos nux-vomica L.Plant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as strychnos alkaloids. These are alkaloids having a core structure based on the strychnan, stemmadenine (seco-curan), or the akuammicine (curan) skeleton.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassStrychnos alkaloids
Sub ClassNot Available
Direct ParentStrychnos alkaloids
Alternative Parents
Substituents
  • Strychnan skeleton
  • Akuammicine-skeleton
  • Stemmadenine-skeleton
  • Carbazole
  • Quinolidine
  • Indole or derivatives
  • Indolizidine
  • Delta-lactam
  • Piperidinone
  • Benzenoid
  • N-alkylpyrrolidine
  • Piperidine
  • Cyclic alcohol
  • Tertiary carboxylic acid amide
  • Pyrrolidine
  • Carboxamide group
  • Hemiaminal
  • Lactam
  • Ether
  • Dialkyl ether
  • Alkanolamine
  • Organoheterocyclic compound
  • Carboxylic acid derivative
  • Oxacycle
  • Azacycle
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic nitrogen 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
logP0.89ALOGPS
logP0.51ChemAxon
logS-1.9ALOGPS
pKa (Strongest Acidic)12.65ChemAxon
pKa (Strongest Basic)7.96ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area53.01 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity96.09 m³·mol⁻¹ChemAxon
Polarizability36.42 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 IDC00025200
Chemspider ID10308749
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound21723446
PDB IDNot Available
ChEBI ID132666
Good Scents IDNot Available
References
General References
  1. Philippe G, De Mol P, Zeches-Hanrot M, Nuzillard JM, Tits MH, Angenot L, Frederich M: Indolomonoterpenic alkaloids from Strychnos icaja roots. Phytochemistry. 2003 Feb;62(4):623-9. doi: 10.1016/s0031-9422(02)00612-x. [PubMed:12560037 ]
  2. Bhati R, Singh A, Saharan VA, Ram V, Bhandari A: Strychnos nux-vomica seeds: Pharmacognostical standardization, extraction, and antidiabetic activity. J Ayurveda Integr Med. 2012 Apr;3(2):80-4. doi: 10.4103/0975-9476.96523. [PubMed:22707864 ]
  3. Ma L, Yang XW, Xu W, Cai BC, Hattori M: Intestinal permeability of antitumor alkaloids from the processed seeds of Strychnos nux-vomica in a Caco-2 cell model. Planta Med. 2009 May;75(6):631-4. doi: 10.1055/s-0029-1185387. Epub 2009 Feb 23. [PubMed:19235686 ]
  4. BAILEY AS, ROBINSON R: Strychnine and brucine; a new method for the preparation of pseudostrychnine. J Chem Soc. 1948 May;2:703-5. doi: 10.1039/jr9480000703. [PubMed:18869451 ]
  5. PAUSACKER KH, ROBINSON R: Strychnine and brucine; experiments with pseudostrychnine, dihydropseudostrychnine, and neostrychnine. J Chem Soc. 1948 Jul;1:951-6. doi: 10.1039/jr9480000951. [PubMed:18878794 ]