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从单条草中分得一个新的三萜皂苷

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目的对报春花科珍珠菜属药用植物单条草Lysimachia candida的化学成分进行研究.方法采用硅胶柱层析进行分离和纯化,通过波谱和化学方法进行结构鉴定.结果从正丁醇萃取部分分离出1个三萜皂苷类化合物,结构鉴定为:3β,16a-二羟基齐墩果-12-烯-28-醛-3-O-β-D-吡喃葡萄糖基-23-O-a-D-呋喃核糖苷,命名为单条草苷甲(I).结论单条草苷甲是新结构的三萜皂苷.
A new triterpenoid saponin from Lysimachia candida
Object To investigate the chemical constituents from the whole plant of Lysimachia candida Ldl.. Methods The constituents were isolated and purified on silica gel column chromatography.Their structures were elucidated by chemical and spectroscopic evidence. Results A triterpenoid saponin,named candidoside A ( Ⅰ ), was isolated from the extract of n-BuOH. Its structure was shown to be 3β,16α-dihydroxy-olean-12-en-28-al-3-O-β-D-glucopyranosyl-23-O-α-D-ribofuranoside. Conclusion Candidoside A was a new triterpenoid saponin.

Lysimachia candida Ldl.triterpenoid saponincandidoside A

张晓瑢、彭树林、王明奎、丁立生

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中国科学院成都生物研究所,四川,成都,610041

单条草 三萜皂苷 单条草苷甲

2002

中草药
天津药物研究院,中国药学会

中草药

CSTPCDCSCD北大核心
影响因子:1.632
ISSN:0253-2670
年,卷(期):2002.33(6)
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