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Record Information
Version2.0
Created at2022-09-06 21:42:40 UTC
Updated at2022-09-06 21:42:40 UTC
NP-MRD IDNP0238335
Secondary Accession NumbersNone
Natural Product Identification
Common Name[(7r,7ar)-7-hydroxy-5,6,7,7a-tetrahydro-3h-pyrrolizin-1-yl]methyl (2r)-2,3-dihydroxy-2-[(1r)-1-hydroxyethyl]-3-methylbutanoate
DescriptionLeptanthine belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus. [(7r,7ar)-7-hydroxy-5,6,7,7a-tetrahydro-3h-pyrrolizin-1-yl]methyl (2r)-2,3-dihydroxy-2-[(1r)-1-hydroxyethyl]-3-methylbutanoate is found in Echium vulgare and Onosma leptantha. [(7r,7ar)-7-hydroxy-5,6,7,7a-tetrahydro-3h-pyrrolizin-1-yl]methyl (2r)-2,3-dihydroxy-2-[(1r)-1-hydroxyethyl]-3-methylbutanoate was first documented in 2004 (PMID: 15595537). Based on a literature review a small amount of articles have been published on Leptanthine (PMID: 15686407) (PMID: 21433162) (PMID: 15881119).
Structure
Thumb
SynonymsNot Available
Chemical FormulaC15H25NO6
Average Mass315.3660 Da
Monoisotopic Mass315.16819 Da
IUPAC Name[(1R,7aR)-1-hydroxy-2,3,5,7a-tetrahydro-1H-pyrrolizin-7-yl]methyl (2R)-2,3-dihydroxy-2-[(1R)-1-hydroxyethyl]-3-methylbutanoate
Traditional Name[(7R,7aR)-7-hydroxy-5,6,7,7a-tetrahydro-3H-pyrrolizin-1-yl]methyl (2R)-2,3-dihydroxy-2-[(1R)-1-hydroxyethyl]-3-methylbutanoate
CAS Registry NumberNot Available
SMILES
C[C@@H](O)[C@](O)(C(=O)OCC1=CCN2CC[C@@H](O)[C@@H]12)C(C)(C)O
InChI Identifier
InChI=1S/C15H25NO6/c1-9(17)15(21,14(2,3)20)13(19)22-8-10-4-6-16-7-5-11(18)12(10)16/h4,9,11-12,17-18,20-21H,5-8H2,1-3H3/t9-,11-,12-,15+/m1/s1
InChI KeyGXIRVRAYFXJIRQ-CGEWXTDFSA-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
Echium vulgareLOTUS Database
Onosma leptanthaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alkaloids and derivatives. These are naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even weakly acidic properties. Also some synthetic compounds of similar structure are attributed to alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen, sulfur and more rarely other elements such as chlorine, bromine, and phosphorus.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassNot Available
Sub ClassNot Available
Direct ParentAlkaloids and derivatives
Alternative Parents
Substituents
  • Alkaloid or derivatives
  • Pyrrolizine
  • Beta-hydroxy acid
  • Fatty acid ester
  • Hydroxy acid
  • Fatty acyl
  • N-alkylpyrrolidine
  • Pyrrolidine
  • Pyrroline
  • Tertiary alcohol
  • Amino acid or derivatives
  • Carboxylic acid ester
  • Secondary alcohol
  • Tertiary aliphatic amine
  • Tertiary amine
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Azacycle
  • Organoheterocyclic compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Amine
  • Alcohol
  • Organic nitrogen compound
  • Aliphatic heteropolycyclic compound
Molecular FrameworkAliphatic 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
logP-1.5ChemAxon
pKa (Strongest Acidic)10.55ChemAxon
pKa (Strongest Basic)7.82ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area110.46 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity79.55 m³·mol⁻¹ChemAxon
Polarizability32.2 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID10448242
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound12085705
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Boppre M, Colegate SM, Edgar JA: Pyrrolizidine alkaloids of Echium vulgare honey found in pure pollen. J Agric Food Chem. 2005 Feb 9;53(3):594-600. doi: 10.1021/jf0484531. [PubMed:15686407 ]
  2. Mroczek T, Ndjoko K, Glowniak K, Hostettmann K: On-line structure characterization of pyrrolizidine alkaloids in Onosma stellulatum and Emilia coccinea by liquid chromatography-ion-trap mass spectrometry. J Chromatogr A. 2004 Nov 12;1056(1-2):91-7. [PubMed:15595537 ]
  3. Williams MT, Warnock BJ, Betz JM, Beck JJ, Gardner DR, Lee ST, Molyneux RJ, Colegate SM: Detection of high levels of pyrrolizidine-N-oxides in the endangered plant Cryptantha crassipes (Terlingua Creek cat's-eye) using HPLC-ESI-MS. Phytochem Anal. 2011 Nov-Dec;22(6):532-40. doi: 10.1002/pca.1314. Epub 2011 Mar 24. [PubMed:21433162 ]
  4. Colegate SM, Edgar JA, Knill AM, Lee ST: Solid-phase extraction and HPLC-MS profiling of pyrrolizidine alkaloids and their N-oxides: a case study of Echium plantagineum. Phytochem Anal. 2005 Mar-Apr;16(2):108-19. doi: 10.1002/pca.828. [PubMed:15881119 ]
  5. LOTUS database [Link]