Abstract
From the bark of Hopea parviflora, two stilbenoids, named (+)-parviflorol and (−)-ampelopsin A, were isolated in addition to three known compounds: (+)-balanocarpol, (−)- ε-viniferin and (−)-hopeaphenol. Their structures were determined by analysis of spectral data, including 2D NMR and NOE experiments, respectively.
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