| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5217042 | Tetrahedron | 2014 | 6 Pages |
Abstract
Five new 12-oxygenated eremophilane sesquiterpenoids bearing a B-ring enone system were isolated from Ligularia lingiana S.W. Liu (Asteraceae) collected in China. Compound 5 was a Diels–Alder adduct of 3α-angeloyloxy-7βH-8-oxoeremophila-9,11(13)-dien-12-al and the monoterpene, ocimene. Compound 1 showed cytotoxic activities against HeLa, HL60, Jurkat, and NIH-3T3 cells at IC50 0.0407, 0.440, 0.313, and 3.48 μM, respectively.
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