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Nardoaristolones A and B, Two Terpenoids with Unusual Skeletons from Nardostachys chinensis Batal

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journal contribution
posted on 19.02.2016, 20:34 by Ming-Li Liu, Ying-Hui Duan, Yun-Long Hou, Chang Li, Hao Gao, Yi Dai, Xin-Sheng Yao
Nardoaristolones A and B, two novel terpenoids derived from the aristolane-type sesquiterpenoid, were isolated from the underground parts of Nardostachys chinensis Batal. Nardoaristolone A is the first reported aristolane-chalcone derivative, while nardoaristolone B possesses a nor-aristolane sesquiterpenoid skeleton with an unusual 3/5/6 tricyclic ring system. Their structures were elucidated by spectroscopic measurements, and the absolute configurations were established by single-crystal X-ray diffraction experiments.