Abstract
AbstractA new polyprenylated benzophenone, named epunctanone (1), was isolated from the stem bark of Garcinia epunctata Stapf, together with eight known compounds, 7‐epiisogarcinol (2), 2,6‐dimethoxy‐p‐benzoquinone (3), friedelin (4), lupeol (5), 16β‐hydroxylupeol (6), betulin (7), stigmasterol (8), and rheediaxanthone A (9). The structure of epunctanone (1) was established by detailed analysis of its spectroscopic data, especially 1D‐ and 2D‐NMR, and HR‐MS data. All these compounds were evaluated for their antimicrobial and anti‐protozoan activities. They were also assayed to determine if any of the compounds were nonpeptide agonist ligands for nematodal G‐protein‐coupled receptors, which would be an indication of potential antinematodal activity. Among the isolated compounds, 7‐epiisogarcinol (2) was the most active against Candida albicans.
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