Pterisolic acids A-F, new ent-kaurane diterpenoids from the fern Pteris semipinnata |
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| Authors: | Wang Fei Li Ya-Ju Ren Fu-Cai Wei Guo-Zhu Liu Ji-Kai |
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| Institution: | State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences. |
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| Abstract: | Six new ent-15-oxokauran-19-oic acid derivatives, named pterisolic acids A-F (1-6), were isolated from the ethanol extract of the fern Pteris semipinnata (Pteridaceae), and the structures of these new ent-kauranoids were elucidated on the basis of extensive spectroscopic studies and single crystal X-ray diffraction analysis. |
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