Np mrd loader

Record Information
Version2.0
Created at2021-01-05 21:49:19 UTC
Updated at2021-07-15 17:11:46 UTC
NP-MRD IDNP0012442
Secondary Accession NumbersNone
Natural Product Identification
Common NameIsosilybin A
Provided ByNPAtlasNPAtlas Logo
Description Isosilybin A is found in Anastatica hierochuntica and Aspergillus iizukae. Isosilybin A was first documented in 2014 (PMID: 24456525). Based on a literature review very few articles have been published on Isosilybin a (PMID: 34318464) (PMID: 33706132) (PMID: 33251548) (PMID: 32806559) (PMID: 32705114) (PMID: 32284261).
Structure
Thumb
Synonyms
ValueSource
7-(4-Bromobenzoyl)isosilybin aMeSH
Isosilybin bMeSH
Chemical FormulaC25H22O10
Average Mass482.4410 Da
Monoisotopic Mass482.12130 Da
IUPAC Name(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Name(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydro-1-benzopyran-4-one
CAS Registry NumberNot Available
SMILES
COC1=C(O)C=CC(=C1)[C@H]1OC2=C(O[C@@H]1CO)C=C(C=C2)[C@H]1OC2=CC(O)=CC(O)=C2C(=O)[C@@H]1O
InChI Identifier
InChI=1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-18-7-12(3-5-16(18)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3/t20-,23+,24-,25-/m1/s1
InChI KeyFDQAOULAVFHKBX-HKTJVKLFSA-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
Anastatica hierochunticaLOTUS Database
Aspergillus iizukaeNPAtlas
Silybum marianumKNApSAcK Database
Chemical Taxonomy
ClassificationNot classified
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
logP2.35ALOGPS
logP2.63ChemAxon
logS-3.7ALOGPS
pKa (Strongest Acidic)7.75ChemAxon
pKa (Strongest Basic)-3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count10ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area155.14 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity120.29 m³·mol⁻¹ChemAxon
Polarizability48.92 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
NPAtlas IDNPA008799
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDC00039453
Chemspider ID9235077
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound11059920
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General References
  1. El-Elimat T, Raja HA, Graf TN, Faeth SH, Cech NB, Oberlies NH: Flavonolignans from Aspergillus iizukae, a fungal endophyte of milk thistle (Silybum marianum). J Nat Prod. 2014 Feb 28;77(2):193-9. doi: 10.1021/np400955q. Epub 2014 Jan 23. [PubMed:24456525 ]
  2. Islam A, Mishra A, Siddiqui MA, Siddiquie S: Recapitulation of Evidence of Phytochemical, Pharmacokinetic and Biomedical Application of Silybin. Drug Res (Stuttg). 2021 Jul 27. doi: 10.1055/a-1528-2721. [PubMed:34318464 ]
  3. Faisal Z, Mohos V, Fliszar-Nyul E, Valentova K, Kanova K, Lemli B, Kunsagi-Mate S, Poor M: Interaction of silymarin components and their sulfate metabolites with human serum albumin and cytochrome P450 (2C9, 2C19, 2D6, and 3A4) enzymes. Biomed Pharmacother. 2021 Jun;138:111459. doi: 10.1016/j.biopha.2021.111459. Epub 2021 Mar 9. [PubMed:33706132 ]
  4. Muchiri RN, van Breemen RB: Single Laboratory Validation of UHPLC-MS/MS Assays for Six Milk Thistle Flavonolignans in Human Serum. J AOAC Int. 2021 Mar 5;104(1):232-238. doi: 10.1093/jaoacint/qsaa110. [PubMed:33251548 ]
  5. Vrba J, Papouskova B, Kosina P, Lnenickova K, Valentova K, Ulrichova J: Identification of Human Sulfotransferases Active towards Silymarin Flavonolignans and Taxifolin. Metabolites. 2020 Aug 12;10(8). pii: metabo10080329. doi: 10.3390/metabo10080329. [PubMed:32806559 ]
  6. Hasany SM, Huma R, Akram S, Ashraf R, Mushtaq M: Maceration-Mediated Liquid-Liquid Extraction and Reverse-Phase High-Performance Liquid Chromatography-Based Pragmatic Analysis of Silybins. J Chromatogr Sci. 2020 Aug 21;58(8):779-787. doi: 10.1093/chromsci/bmaa035. [PubMed:32705114 ]
  7. Nasab EM, Athari SM, Ghafarzade S, Nasab AM, Athari SS: Immunomodulatory effects of two silymarin isomers in a Balb/c mouse model of allergic asthma. Allergol Immunopathol (Madr). 2020 Nov - Dec;48(6):646-653. doi: 10.1016/j.aller.2020.01.003. Epub 2020 Apr 10. [PubMed:32284261 ]
  8. Vrba J, Papouskova B, Lnenickova K, Kosina P, Kren V, Ulrichova J: Identification of UDP-glucuronosyltransferases involved in the metabolism of silymarin flavonolignans. J Pharm Biomed Anal. 2020 Jan 30;178:112972. doi: 10.1016/j.jpba.2019.112972. Epub 2019 Nov 4. [PubMed:31727359 ]
  9. Kim JY, Kim JY, Jenis J, Li ZP, Ban YJ, Baiseitova A, Park KH: Tyrosinase inhibitory study of flavonolignans from the seeds of Silybum marianum (Milk thistle). Bioorg Med Chem. 2019 Jun 15;27(12):2499-2507. doi: 10.1016/j.bmc.2019.03.013. Epub 2019 Mar 7. [PubMed:30871862 ]