Tetrahedron
Tetrahedron
5 years ago

Concise synthesis of several oligostilbenes from the enzyme-promoted oxidation of brominated resveratrol

Concise synthesis of several oligostilbenes from the enzyme-promoted oxidation of brominated resveratrol
The simple synthesis of (±)-parthenostilbenins A and B and (±)-quadrangularins A and B, as well as several unnatural resveratrol dimers, was successfully accomplished for the first time. Moreover, (±)-restrytisols B, (±)-leachianols F and G were efficiently prepared with higher yields compared with those in the literatures. The regioselective oxidative coupling reactions of 3,5-dibromo-resveratrol catalyzed by different enzymes in various solvent systems were used as key steps. The coupling mechanisms for the formation of distinct dimeric skeletons were also proposed.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017303939

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