Common NamePiceatannol
Description3,3',4'5-Tetrahydroxystilbene (or Piceatannol) is a phenolic stilbenoid. It is a metabolite of resveratrol found in red wine. A viral protein-tyrosine kinase (LMP2A) implicated in leukemia, non-Hodgkin's lymphoma and other diseases associated with Epstein-Barr virus, was recently found to be blocked by picetannol in vitro (PMID 2590224 ). Therefore there is research interest in piceatannol as an anti-cancer and anti-EBV drug. Piceatannol can also act as an agonist for estrogen receptor alpha in human breast cancer cells (PMID: 16216908 ).
Structure
Molecular FormulaC14H12O4
Average Mass244.24600
Monoisotopic Mass244.07356
IUPAC Name4-[(E)-2-(3,5-dihydroxyphenyl)ethenyl]benzene-1,2-diol
Traditional NamePiceatannol
CAS Registry Number10083-24-6
SMILESOc1cc(O)cc(/C=C/c2ccc(O)c(O)c2)c1
InChI IdentifierInChI=1S/C14H12O4/c15-11-5-10(6-12(16)8-11)2-1-9-3-4-13(17)14(18)7-9/h1-8,15-18H/b2-1+
InChI KeyCDRPUGZCRXZLFL-OWOJBTEDSA-N
CHEBI IDCHEBI:28814
HMDB IDHMDB0004215
StateNot Available
Water Solubility9.70e-02 g/l
logP2.12
logS-3.40
pKa (Strongest Acidic)8.91
pKa (Strongest Basic)-5.68
Hydrogen Acceptor Count4
Hydrogen Donor Count4
Polar Surface Area80.92 Ų
Rotatable Bond Count2
Physiological Charge0
Formal Charge0
Refractivity69.44 m³·mol⁻¹
Polarizability25.46

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