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Two new 19-oxygenated ent-kaurane diterpenoids from Isodon pharicus |
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| Authors: | Yong Zhao Jian Xin Pu Sheng Xiong Huang Li Bin Yang Wei Lie Xiao Li Mei Li Li Sheng Ding Han Dong Sun |
| Institution: | a State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China;b College of Chemistry and Engineering, Yunnan Normal University, Kunming 650092, China;c Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China |
| Abstract: | Two new 19-oxygenated ent-kaurane diterpenoids,pharicinins D and E(1 and 2),together with an artifact,pharicinin D acetal (3) were isolated from the leaves of Isodon pharicus.Their structures were determined by 1D and 2D NMR spectroscopic analysis. All of them were evaluated for their cytotoxicity. |
| Keywords: | Isodon pharicus Labiatae ent-Kaurane diterpenoid |
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