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Terpenoids from the barks of Magnolia maudiae (Dunn) Figlar
- Xianjin, Sui, Sha, Shi, Qi, Muge, Zhang, Zhengxi, Yang, Yuyao, Wu, Haibo, Li, Linfeng, Wang, Wenshu, Huang, Anmin
- Natural product research 2018 v.32 no.13 pp. 1518-1524
- Magnolia, nuclear magnetic resonance spectroscopy, spectral analysis, terpenoids
- A new germacrenolide (1) and fourteen known terpenoids (2–15) were isolated from the barks of Magnolia maudiae (Dunn) Figlar (Magnoliaceae). The structure of (7αH,11βH)-2α,8α-dihydroxy-4α,5β-epoxy-germacr-1(10)-en-6α,12-olide (1) was elucidated by physical and spectroscopic data analysis, including 1D, 2D NMR and HR-ESI-MS. Lyratol F (9) was isolated from Magnolia for the first time. The structures of known compounds were established by comparing their spectroscopic data with those in literatures.