Synthesis and Biological Evaluation of New Natural Phenolic (2E,4E,6E)‐Octa‐2,4,6‐trienoic Esters
2017
In the present study the esterification of the hydroxyl groups of resveratrol, caffeic acid, ferulic acid and s-sitosterol with an antioxidant polyconjugated fatty acid, 2E,4E,6E-octatrienoic acid, was achieved. As the selective esterification of hydroxyl groups of natural compounds can affect their biological activity, a selective esterification of resveratrol and caffeic acid was performed by an enzymatic approach. The new resulting compounds were characterized spectroscopically (FT-IR, NMR mono and bidimensional techniques); when necessary the experimental data were integrated by quantum chemical calculations. The antioxidant, anti-inflammatory and proliferative activity was evaluated. The good results encourage the use of these molecules as antioxidant and/or anti-inflammatory agents. in dermocosmetic application.
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