Phytane and neoclerodane diterpenes from the aerial parts of Inula nervosa Wall. |
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Authors: | Lan Yan Xiang Rong Cheng Qi Zeng Jiang Jiang Qin Wei Dong Zhang Hui Zi Jin |
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Institution: | 1. School of Pharmacy, Shanghai Jiaotong University, Shanghai 200240, PR China;2. School of Pharmacy, Second Military University, Shanghai 200433, PR China |
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Abstract: | Three new aliphatic diterpenes (1–3), together with three known neoclerodane-type diterpenes (4–6) were isolated from the aerial parts of Inula nervosa Wall. The structures of 1-3 were elucidated on the basis of 1D and 2D spectroscopic analysis. Additionally, phytane-type and neoclerodane-type diterpenes have not been reported in any species of the genus Inula yet. The phytane-type and neoclerodane-type diterpenes obtained from I. nervosa Wall. suggest this plant maybe have remote genetic relations with other Inula species. |
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