Nine podophyllum lignans and one flavonol were isolated from the rhizomes of Dysosma tsayuensis Ying. On the basis of physical and chemical data,IR,UV,MS, 1HNMR, 13C NMR spectra, they are identified as deoxypodophyllo...Nine podophyllum lignans and one flavonol were isolated from the rhizomes of Dysosma tsayuensis Ying. On the basis of physical and chemical data,IR,UV,MS, 1HNMR, 13C NMR spectra, they are identified as deoxypodophyllotoxin(DT-Ⅰ),podophyllotoxin(DT-Ⅱ), isopicropodo- phyllone(DT-Ⅲ),dehydropodophyllotoxin(DT-Ⅳ),β-peltatin(DT-Ⅴ),diphyllin(DT-Ⅵ), picropodophyllin(DT-Ⅶ),podophyllotoxone(DT-Ⅷ),4’-demethypodophyllotoxin(DT-Ⅸ), kaempferol. Podophyllotoxin yields 1 5%.展开更多
文摘Nine podophyllum lignans and one flavonol were isolated from the rhizomes of Dysosma tsayuensis Ying. On the basis of physical and chemical data,IR,UV,MS, 1HNMR, 13C NMR spectra, they are identified as deoxypodophyllotoxin(DT-Ⅰ),podophyllotoxin(DT-Ⅱ), isopicropodo- phyllone(DT-Ⅲ),dehydropodophyllotoxin(DT-Ⅳ),β-peltatin(DT-Ⅴ),diphyllin(DT-Ⅵ), picropodophyllin(DT-Ⅶ),podophyllotoxone(DT-Ⅷ),4’-demethypodophyllotoxin(DT-Ⅸ), kaempferol. Podophyllotoxin yields 1 5%.
