[白首乌的化学成分]
[Chemical constituents of Cynanchum chinense R. Br].
作者信息
Li C, Gou Z, Yang Y, Zhang C
机构信息
Department of Pharmacy, Lanzhou Medical College, Lonzhou 730000.
出版信息
Zhongguo Zhong Yao Za Zhi. 1999 Jun;24(6):353-5, 383.
OBJECTIVE
To investigate the chemical constituents in the aerial part of Cynanchum chinense.
METHOD
The chemical constituents were extracted with solvent and separated by column chromatography. The structures were identified by spectral methods:
RESULT
The structures were identified as 7-O-alpha-L-rhamnopy-ranosyl-kaempferol-3-O-alpha-L-rhamnopyranoside, 7-O-alpha-L-rhamnopy-ranosyl-kaempferol-3-O-beta-D-glucopyranoside and 7-O-alpha-L-rhamnopyr-anosylkaempferol-3-O-beta-D-glucopyranosyl(1-->2)- beta-D-glucopyranoside.
CONCLUSION
All the three compounds were separated from C. chinense for the first time.
目的
研究白首乌地上部分的化学成分。
方法
采用溶剂提取化学成分，并通过柱色谱进行分离。通过光谱方法鉴定结构。
结果
所鉴定的结构为7-O-α-L-鼠李吡喃糖基山柰酚-3-O-α-L-鼠李吡喃糖苷、7-O-α-L-鼠李吡喃糖基山柰酚-3-O-β-D-葡萄糖吡喃糖苷和7-O-α-L-鼠李吡喃糖基山柰酚-3-O-β-D-葡萄糖吡喃糖基（1→2）-β-D-葡萄糖吡喃糖苷。
结论
这三种化合物均首次从白首乌中分离得到。
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