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Terpenoids from the barks of Magnolia maudiae (Dunn) Figlar
Sui Xianjin1, Shi Sha1, Muge Qi1
1a College of Life and Environmental Sciences , Minzu University of China , Beijing , P.R. China.
Natural Product Research
|October 13, 2017
Abstract:
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.