| Summary: | ABSTRACT
Five resveratrol oligomers which consist of two resveratrol dimers, balanocarpol (1) and e-viniferin (2), a
resveratrol trimer i.e. a-viniferin (3), and two resveratrol tetramers, vaticanol B (4), and hopeaphenol (5) have been
isolated from acetone extract of the stem bark of Dryobalanops lanceolata. These compounds were isolated by
vacuum liquid chromatography method. Furthermore, the compound structures were determined based on the
spectroscopic evidence, including UV, IR, 1-0 and 20 NMRspectra, and comparing with those related data reported
previously. .
Keywords: Balanocarpol,e-Viniferin,a-Viniferin, VaticanolB, Hopeaphenol,D. lanceolata
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