Abstract
The alkaloids of Daphniphyllum angustifolium were investigated. The whole plant was extracted with 95% EtOH, six alkaloids were isolated and purified with column chromatography over silica gel, RP-18 and Sephadex LH-20. Based on spectral analysis, their structures were identified as daphnilactone B (1), zwitterionic alkaloid (2), yuzurine (3), dehydrodaphnigracilline (4), deoxyyuzurimine (5) and macrodaphniphyllidine (6). All of compounds were obtained from the plant for the first time.
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