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Two new ent-kaurane diterpenoids from Isodon henryi |
Yong Zhaoa,b,c, Li Bin Yanga,c, Sheng Xiong Huanga, Wei Lie Xiaoa, Jian Xin Pua, Li Mei Lia, Quan Bin Hana, Han Dong Suna |
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 Graduate University of Chinese Academy of Sciences, Beijing 100039, China |
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Abstract Two new ent-kaurane diterpenoids, minheryins H (1) and I (2), were isolated from the leaves of lsodon henryi. Their structures were elucidated by means of spectroscopic analysis, including 2D NMR spectra.
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Received: 07 March 2008
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Fund:This work was financially supported by the Natural Science Foundation of Yunnan Province (No. 2004C0008Z) and the National Natural Science Foundation of China (No. 20502026 to Q. B. H. and No. 30772637 to H. D. Sun) |
Corresponding Authors:
Han Dong Sun,hdsun@mail.kib.ac.cn
E-mail: hdsun@mail.kib.ac.cn
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