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FIVE NEW DITERPENES FROM EUPHORBIA SIEBOLDIANA |
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| Authors: | Yi Li DING Zhong Jian JIA Yu Ting LIU |
| Affiliation: | a Institute of Organic Chemistry of Lanzhou University Lanzhou 730000 China;b To whom correspondence should be addressed;c Chemistry Department of Xingjiang Wulumuqi |
| Abstract: | Five new diterpenes were isolated from Euphorbia sieboldiana and identified as atis-16-en-13(S)-hydroxy-3, 14-dione(Ⅰ), atis-16-en-14-oxo-13(S), 3 β-diol(Ⅱ), atisane-3-oxo-16α, 17-diol(Ⅳ), atisane-3β, 16α, 17-triol(Ⅴ)and atisane-3β-acetyl-16α, 17-diol(Ⅵ)based on the chemical, spectral evidences and X-ray diffraction. |
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