Bis-cephalezomines A-E from Cephalotaxus harringtonia var. nana |
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| Authors: | Miwa Yoshinaga |
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| Affiliation: | Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan |
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| Abstract: | Five new dimeric Cephalotaxus alkaloids, bis-cephalezomines A-E (1-5), have been isolated from the leaves of Cephalotaxus harringtonia var. nana, and the structures and stereochemistry were elucidated on the basis of spectroscopic data including 2D NMR and FABMS/MS spectra, and chemical means. |
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| Keywords: | Cephalotaxus Alkaloids Dimer Cytotoxicity NMR FABMS/MS |
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