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Record Information
Version2.0
Created at2022-09-11 12:47:43 UTC
Updated at2022-09-11 12:47:43 UTC
NP-MRD IDNP0314611
Secondary Accession NumbersNone
Natural Product Identification
Common Name(2r,3r,5s,6s)-3,5-dihydroxy-2-(hydroxymethyl)-6-(1h-indol-3-yloxy)oxan-4-one
DescriptionIsatan B belongs to the class of organic compounds known as hexoses. These are monosaccharides in which the sugar unit is a is a six-carbon containing moeity. (2r,3r,5s,6s)-3,5-dihydroxy-2-(hydroxymethyl)-6-(1h-indol-3-yloxy)oxan-4-one is found in Isatis tinctoria and Persicaria tinctoria. (2r,3r,5s,6s)-3,5-dihydroxy-2-(hydroxymethyl)-6-(1h-indol-3-yloxy)oxan-4-one was first documented in 2004 (PMID: 17191785). Based on a literature review a small amount of articles have been published on Isatan B (PMID: 31035058) (PMID: 20575402) (PMID: 18514538) (PMID: 15745425).
Structure
Thumb
Synonyms
ValueSource
Indoxyl-5-ketogluconateMeSH
Chemical FormulaC14H15NO6
Average Mass293.2750 Da
Monoisotopic Mass293.08994 Da
IUPAC Name(2R,3R,5S,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-(1H-indol-3-yloxy)oxan-4-one
Traditional Name(2R,3R,5S,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-(1H-indol-3-yloxy)oxan-4-one
CAS Registry NumberNot Available
SMILES
OC[C@H]1O[C@@H](OC2=CNC3=CC=CC=C23)[C@H](O)C(=O)[C@@H]1O
InChI Identifier
InChI=1S/C14H15NO6/c16-6-10-11(17)12(18)13(19)14(21-10)20-9-5-15-8-4-2-1-3-7(8)9/h1-5,10-11,13-17,19H,6H2/t10-,11-,13-,14-/m1/s1
InChI KeyAHWQTWBZNABQTO-HBJVGIJOSA-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
Isatis tinctoriaLOTUS Database
Persicaria tinctoriaLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as hexoses. These are monosaccharides in which the sugar unit is a is a six-carbon containing moeity.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbohydrates and carbohydrate conjugates
Direct ParentHexoses
Alternative Parents
Substituents
  • Hexose monosaccharide
  • Indole
  • Indole or derivatives
  • Oxane
  • Substituted pyrrole
  • Benzenoid
  • Pyrrole
  • Heteroaromatic compound
  • Ketone
  • Cyclic ketone
  • Secondary alcohol
  • Azacycle
  • Organoheterocyclic compound
  • Oxacycle
  • Acetal
  • Organonitrogen compound
  • Aldehyde
  • Organic oxide
  • Organopnictogen compound
  • Organic nitrogen compound
  • Carbonyl group
  • Hydrocarbon derivative
  • Primary alcohol
  • 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
logP0.12ChemAxon
pKa (Strongest Acidic)10.96ChemAxon
pKa (Strongest Basic)-3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area112.01 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity70.5 m³·mol⁻¹ChemAxon
Polarizability28.39 ųChemAxon
Number of Rings3ChemAxon
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 IDC00001542
Chemspider ID57490358
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound101529308
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Nguyen TK, Marcelo P, Gontier E, Dauwe R: Metabolic markers for the yield of lipophilic indole alkaloids in dried woad leaves (Isatis tinctoria L.). Phytochemistry. 2019 Jul;163:89-98. doi: 10.1016/j.phytochem.2019.04.006. Epub 2019 Apr 28. [PubMed:31035058 ]
  2. Yang M, Liu Z, Su Z, Zou W: [Study on mechanism of precursors transforming into indigo and indirubin in blue-genera plants]. Zhongguo Zhong Yao Za Zhi. 2010 Apr;35(7):928-31. doi: 10.4268/cjcmm20100728. [PubMed:20575402 ]
  3. Salvini M, Boccardi TM, Sani E, Bernardi R, Tozzi S, Pugliesi C, Durante M: Alpha-tryptophan synthase of Isatis tinctoria: gene cloning and expression. Plant Physiol Biochem. 2008 Jul;46(7):715-723. doi: 10.1016/j.plaphy.2008.04.002. Epub 2008 May 6. [PubMed:18514538 ]
  4. Oberthur C, Schneider B, Graf H, Hamburger M: The elusive indigo precursors in woad (Isatis tinctoria L.)--identification of the major indigo precursor, isatan A, and a structure revision of isatan B. Chem Biodivers. 2004 Jan;1(1):174-82. doi: 10.1002/cbdv.200490009. [PubMed:17191785 ]
  5. Tozzi S, Lercari B, Angelini LG: Light quality influences indigo precursors production and seed germination in Isatis tinctoria L. and Isatis indigotica Fort. Photochem Photobiol. 2005 Jul-Aug;81(4):914-9. doi: 10.1562/2004-08-03-RA-258. [PubMed:15745425 ]
  6. LOTUS database [Link]