期刊
JOURNAL OF NATURAL PRODUCTS
卷 65, 期 5, 页码 633-637出版社
AMER CHEMICAL SOC
DOI: 10.1021/np0102049
关键词
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Eight new abietane diterpenoids, coleon U 11-acetate (1), 16-acetoxycoleon U 11-acetate (2), and xanthanthusins F-K (3-8), together with five known analogues, coleon-U (9), 16-O-acetyleoleon C (10), coleon U-quinone (11), 8alpha,9alpha-epoxycoleon U-quinone (12), and xanthanthusin E (13), were isolated from the aerial parts of Coleus xanthanthus. The structures of 1-8 were elucidated on the basis of spectral methods. Compounds 1, 5, and 11-13 were evaluated for their cytotoxicity against K562 human leukemia cells.
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