Flavonoids and stilbenes from Smilax china
- Author:
- No author available
- Journal Title:
- CHINESE TRADITIONAL AND HERBAL DRUGS
- Issue:
- 11
- DOI:
- 10.3321/j.issn:0253-2670.2009.11.004
- Key Word:
- 菝葜;黄酮类;二苯乙烯类;Smilax china L;flavonoids;stilbenes
Abstract： Objective To study the chemical constituents of Smilax china.Methods The compounds were isolated by silica gel,Sephadex LH-20,ODS chromatography,and semi-preparative HPLC.Their structures were elucidated on the basis of MS and NMR spectroscopic analyses.Results Seven flavonoids and four stilbenes were isolated and identified as dihydrokaempferol-5-O-β-D-glucoside(Ⅰ),engeletin (Ⅱ),isoengeletin (Ⅲ),dihydroquercetin-3-O-glycoside(Ⅳ),3,5,7,3',5'-pentahydroxy-flavanonol (Ⅴ),astilbin (Ⅵ),quercetin-3'-O-glycoside(Ⅶ),piceid(Ⅷ),scirpusin A (Ⅸ),resveratrol (Ⅹ),and oxyresveratrol (Ⅺ).Conclusion Compounds Ⅳ-Ⅸ are isolated from this plant for the first time,among which the ~(13)C-NMR data of compound Ⅸ is reported firstly.
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