Regioselective reactions for programmable resveratrol oligomer synthesis

Scott A. Snyder (), Andreas Gollner and Maria I. Chiriac
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Scott A. Snyder: Columbia University, Havemeyer Hall, 3000 Broadway, New York, New York 10027, USA
Andreas Gollner: Columbia University, Havemeyer Hall, 3000 Broadway, New York, New York 10027, USA
Maria I. Chiriac: Columbia University, Havemeyer Hall, 3000 Broadway, New York, New York 10027, USA

Nature, 2011, vol. 474, issue 7352, 461-466

Abstract: Abstract Although much attention has been devoted to resveratrol, a unique polyphenol produced by plants and credited as potentially being responsible for the ‘French paradox’—the observation that French people have a relatively low incidence of coronary heart disease, even though their diet is high in saturated fats—the oligomers of resveratrol have been largely ignored despite their high biological activity. Challenges in achieving their isolation in sufficient quantity from natural sources, coupled with an inability to prepare them easily synthetically, are seen as the main obstacles. Here we report a programmable, controlled and potentially scalable synthesis of the resveratrol family via a three-stage design. The synthetic approach requires strategy- and reagent-guided chemical functionalizations to differentiate two distinct cores possessing multiple sites with the same or similar reactivity, ultimately leading to five higher-order natural products. This work demonstrates that challenging, positionally selective functionalizations of complex materials are possible where biosynthetic studies have indicated otherwise, it provides materials and tools with which to unlock the full biochemical potential of this family of natural products, and it affords an intellectual framework within which other oligomeric families could potentially be accessed.

Date: 2011
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DOI: 10.1038/nature10197

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