Ceramicines E—I, New Limonoids from Chisocheton ceramicus
Five new limonoids, ceramicines E—I (1—5), have been isolated from the bark of Chisocheton ceramicus. The structures and relative stereochemistry of them were fully elucidated based on 1D- and 2D-NMR data. Ceramicines E—I (1—5) exhibited moderate cell growth inhibitory activities on a range of cell...
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Veröffentlicht in: | Chemical & Pharmaceutical Bulletin 2011/03/01, Vol.59(3), pp.407-411 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Five new limonoids, ceramicines E—I (1—5), have been isolated from the bark of Chisocheton ceramicus. The structures and relative stereochemistry of them were fully elucidated based on 1D- and 2D-NMR data. Ceramicines E—I (1—5) exhibited moderate cell growth inhibitory activities on a range of cell lines (HL-60, A549, MCF7, and HCT116). The absolute structure of previously isolated ceramicine B (6) was also elucidated by circular dichroism (CD) and X-ray analysis. |
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ISSN: | 0009-2363 1347-5223 |
DOI: | 10.1248/cpb.59.407 |