杜仲叶化学成分Ⅱ

Chemical Constituents of Eucommiae Folium Ⅱ

目的：研究杜仲叶中的化学成分.方法：采用各种柱色谱方法分离纯化,通过理化常数测定和光谱分析鉴定化合物的结构.结果：从杜仲叶中分离并鉴定了10个化合物,分别为牛蒡子苷（1）,表松脂素（2）,二羟基脱氢二松柏醇（3）,3,4-二羟基-苯甲酸（4）,D-核糖-1,4-内酯（5）,L-核糖-1,4-内酯（6）,尿苷（7）,α-D-吡喃葡萄糖基-（1→3）-α-D-吡喃葡萄糖基-（1→2）-β-D-呋喃果糖苷（8）,杜仲醇（9）,1-脱氧杜仲醇（10）.结论：化合物1,4～8为首次从杜仲叶中分离得到.

Objective：To investigate the chemical constituents of Eucommiae Folium.Method：The compounds were isolated and purified byvarious column chromatography techniques,the chemical structureswere elucidated by physiochemical properties and spectral analysis.Result：Ten compounds were isolated and identified asarctiin （1）,epipinoresinol （2）,dihydroxydehydrodiconiferyl （3）,3,4-dihydroxy-benzoic acid （4）,D-ribono-1,4-1actone （5）,L-ribono-1,4-1actone （6）,uridine （7）,β-D-glucopyranosyl-（1→3）-α-D-glucopyranosyl-（1 → 2）-β-D-fructofuranoside （8）,eucommiol （9）,1-deoxyeucommiol （10）.Conclusion：Compounds 1,4-8 were isolated from this plantfor the first time.