Abstract
AbstractIn this work, we describe the synthesis of (±)‐permethylated‐ϵ‐viniferin from resveratrol by successive iodination, methylation and dehalogenation reactions. Iodination reaction by N‐iodosuccinimide (NIS) was studied to optimize and confirm a proposed radical mechanism. Switching to acetyl protecting group, a new straightforward regio‐ and diastereo‐selective biomimetic synthesis of (±)‐ϵ‐viniferin was obtained. Permethylated and free ϵ‐viniferin were isolated up to 20 %yield.
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