科研之友
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摘要
Amberin (1), a new sesquiterpene lactone, has been isolated from the ethyl acetate soluble fraction of Amberboa ramosa together with apigenin (2), jaseocidine (3), crysoeriol (4), and 3 beta, 8 alpha-dihydroxy-11 alpha-methyl-1 alpha H, 5 alpha H, 6 beta H, 7 alpha H, 11 beta H-guai-10(14), 4 (15)-dien-6, 12-olide (5). The structures of the isolated compounds have been elucidated by 1D and 2D NMR spectroscopy.
- 出版日期2012
