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Our phytochemical investigation on the stem bark of Dryobalanops aromatica has resulted in the isolation of nine resveratrol oligomers and one bergenin. The structures of the isolated compounds were elucidated by spectroscopic data evidence and comparison with literature. The presence of malaysianol A and flexuasol A in the Dipterocarpaceae family is reported for the first time by this work. Furthermore,...
A new resveratrol trimer, malaysianol A (1), five known resveratrol oligomers: laevifonol (2), ampelopsin E (3), α-viniferin (4), ε-viniferin (5), diptoindonesin A (6), and bergenin (7) have been isolated from the acetone extract of the stem bark of Dryobalanops aromatica by combination of vacuum and radial chromatography techniques. Their structures were established on the basis of their spectroscopic...
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