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Record Information
Version2.0
Created at2022-09-10 21:07:56 UTC
Updated at2022-09-10 21:07:56 UTC
NP-MRD IDNP0305360
Secondary Accession NumbersNone
Natural Product Identification
Common Name2-{[2-(hydroxymethyl)-5-methoxy-3,9-dioxatricyclo[4.4.0.0²,⁴]dec-7-en-10-yl]oxy}-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxane-3,4,5-triol
DescriptionKarsoside belongs to the class of organic compounds known as o-glycosyl compounds. These are glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond. 2-{[2-(hydroxymethyl)-5-methoxy-3,9-dioxatricyclo[4.4.0.0²,⁴]dec-7-en-10-yl]oxy}-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxane-3,4,5-triol is found in Scrophularia ilwensis. 2-{[2-(hydroxymethyl)-5-methoxy-3,9-dioxatricyclo[4.4.0.0²,⁴]dec-7-en-10-yl]oxy}-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxane-3,4,5-triol was first documented in 1993 (PMID: 8496707). Based on a literature review very few articles have been published on Karsoside.
Structure
Thumb
Synonyms
ValueSource
6'-O-(beta-D-Xylopyranosyl)methylcatalpolMeSH
Chemical FormulaC21H32O14
Average Mass508.4730 Da
Monoisotopic Mass508.17921 Da
IUPAC Name2-{[2-(hydroxymethyl)-5-methoxy-3,9-dioxatricyclo[4.4.0.0^{2,4}]dec-7-en-10-yl]oxy}-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxane-3,4,5-triol
Traditional Name2-{[2-(hydroxymethyl)-5-methoxy-3,9-dioxatricyclo[4.4.0.0^{2,4}]dec-7-en-10-yl]oxy}-6-{[(3,4,5-trihydroxyoxan-2-yl)oxy]methyl}oxane-3,4,5-triol
CAS Registry NumberNot Available
SMILES
COC1C2OC2(CO)C2C1C=COC2OC1OC(COC2OCC(O)C(O)C2O)C(O)C(O)C1O
InChI Identifier
InChI=1S/C21H32O14/c1-29-16-7-2-3-30-18(10(7)21(6-22)17(16)35-21)34-20-15(28)13(26)12(25)9(33-20)5-32-19-14(27)11(24)8(23)4-31-19/h2-3,7-20,22-28H,4-6H2,1H3
InChI KeyLOKOJGZZDJOXCS-UHFFFAOYSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Scrophularia ilwensisLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as o-glycosyl compounds. These are glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbohydrates and carbohydrate conjugates
Direct ParentO-glycosyl compounds
Alternative Parents
Substituents
  • O-glycosyl compound
  • Disaccharide
  • Oxane
  • Secondary alcohol
  • Oxacycle
  • Organoheterocyclic compound
  • Polyol
  • Ether
  • Oxirane
  • Dialkyl ether
  • Acetal
  • Hydrocarbon derivative
  • Primary alcohol
  • Alcohol
  • 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-3.9ChemAxon
pKa (Strongest Acidic)11.92ChemAxon
pKa (Strongest Basic)-3.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count14ChemAxon
Hydrogen Donor Count7ChemAxon
Polar Surface Area209.52 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity108.39 m³·mol⁻¹ChemAxon
Polarizability48.79 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID2340648
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound3083436
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. Calis I, Zor M, Basaran AA, Wright AD, Sticher O: Karsoside and scropolioside D, two new iridoid glycosides from Scrophularia ilwensis. J Nat Prod. 1993 Apr;56(4):606-9. doi: 10.1021/np50094a022. [PubMed:8496707 ]
  2. LOTUS database [Link]