Jing-Hong Ren

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Eight new phenolic glycosides, dunnianosides A-H (1-8), and nine known phenolic glycosides (9-17), were isolated from the roots of Illicium dunnianum. The structures of these new compounds were elucidated by spectroscopic methods including 1D and 2D NMR, HRESIMS, and chemical methods. Compounds 1-5, 7, and 9 exhibited potent antioxidant activities against(More)
Two new sesquiterpenes, dunnianoside I (1) and 8'-oxo-6-hydroxy-dihydrophaseic acid methyl ester (2), a new glycoside, dunnianoside J (3), two new neolignans, dunnianeolignans A-B (4, 5), together with 10 known compounds (6-15), were isolated from the roots of Illicium dunnianum. The structures of these new compounds were elucidated by spectroscopic methods(More)
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