ε-viniferin pentaacetate

ε-Viniferin pentaacetate is an **acetylated derivative** of ε-viniferin, a stilbenoid polyphenol and dimer of resveratrol. It is produced as an **intermediate compound** during the synthesis and purification of ε-viniferin from resveratrol. The compound is formed by acetylating crude ε-viniferin-enriched fractions with acetic anhydride and triethylamine in dichloromethane/DMSO, yielding a pentaacetate with five acetyl groups. This acetylation step serves a **purification purpose**, as the acetylated form can be more easily isolated via column chromatography, followed by hydrolysis with potassium hydroxide to regenerate pure ε-viniferin. ε-Viniferin pentaacetate has been studied for its **biological effects**, showing slight reduction in cell proliferation while potentially offering protection from cell degeneration. The parent compound ε-viniferin exhibits diverse biological activities including antibacterial, antibiofilm, antioxidant, and neuroprotective properties. The synthesis method using ruthenium(III) chloride as an oxidizing agent produces ε-viniferin as the major product, which is then converted to its pentaacetate form for purification purposes.

Other names

epsilon-viniferin pentaacetateε-viniferin penta-acetatecompound 6compound6compound-6