Abstract
Two new compounds, ent-8(9)-pimarene-20-hydroxy-16-nor-15-oic acid (1) and 20S,24-epoxy-25,26,27-trisnor-24-oxo-3,4-seco-dammar-4(28), 22-dien-3-oic acid (2), along with four known compounds have been isolated from the bark of Dysoxylum hainanense. The new structures were elucidated by spectroscopic techniques (NMR, MS, UV, IR and optical rotation). The known compound, ent-8(9)-pimarene-15,16-diol (3), was reported from D. hainanense for the first time. © 2010 Verlag der Zeitschrift für Naturforschung, Tübingen.
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Zhang, X. Y., Zhang, R. T., Cai, X. H., Liu, Y. P., & Luo, X. D. (2010). Two new compounds from the bark of dysoxylum hainanense. Zeitschrift Fur Naturforschung - Section B Journal of Chemical Sciences, 65(9), 1161–1163. https://doi.org/10.1515/znb-2010-0917
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