叶亮, 杨峻山. 蛇毒中鞣花酸类及三萜类成分研究J. 药学学报, 1996, 31(11): 844-848.
引用本文: 叶亮, 杨峻山. 蛇毒中鞣花酸类及三萜类成分研究J. 药学学报, 1996, 31(11): 844-848.
L Ye, JS Yang. NEW ELLAGIC GLYCOSIDES AND KNOWN TRITERPENOIDS FROM DUCHESNEA INDICA FOCKEJ. Acta Pharmaceutica Sinica, 1996, 31(11): 844-848.
Citation: L Ye, JS Yang. NEW ELLAGIC GLYCOSIDES AND KNOWN TRITERPENOIDS FROM DUCHESNEA INDICA FOCKEJ. Acta Pharmaceutica Sinica, 1996, 31(11): 844-848.

蛇毒中鞣花酸类及三萜类成分研究

NEW ELLAGIC GLYCOSIDES AND KNOWN TRITERPENOIDS FROM DUCHESNEA INDICA FOCKE

  • 摘要: 自蛇毒(Duchesnea indica Fock)全草中分离出6个化合物,其中,2个为新化合物,分别命名为蛇莓甙A(duchesideA)和蛇莓甙B(duchesideB),经化学及光谱(UV,1R,1HNMR,13CNMR,NOEDS和MS)分析确定,蛇莓甙A的结构为3'-O-甲基-鞣花酸-4-O-β-D-吡喃木糖甙(Ⅰ),蛇莓甙B的结构为3'-O-甲基-鞣花酸-4-O-α-L-呋喃阿拉伯糖甙(Ⅱ)。另外4个化合物为已知三萜类化合物:3β-羟基-乌苏烷-12-烯-28-羧酸(Ⅲ),2α,3β,19α-三羟基-乌苏烷-12-烯-28-羧酸(Ⅳ),2α,3β,19α-三羟基-乌苏烷-12-烯-28-羧酸-28-O-β-D-吡喃葡萄糖甙(Ⅴ),2α,3α,19α-三羟基-乌苏烷-12-烯-28-羧酸-28-O-β-D-吡喃葡萄糖甙(Ⅵ)。其中化合物Ⅳ,Ⅴ和Ⅵ为首次从该属植物中分离得到。

     

    Abstract: Two new ellagic glycosides,named ducheside A and ducheside B,have beenisolated from Ducheside indica Focke.Their structures were established as 3'-O-methyl-ellagic acid-4-O-β-D-xylopyranoside(Ⅰ),3'-O-methyl-ellagic acid-4-O-α-L-arabinofuranoside(Ⅱ),respec-tively,on the basis of chemical method and spectral analysis.In addition,four known compoundswere isolated and identified as 3β-hydroxylurs-12-en-28-oic acid(Ⅲ),2α,3β,19α-trihydroxylurs-12-en-28-oic acid(Ⅳ),2α,3β,19α-trihydroxylurs-12-en-28-oic acid-28-O-β-D-glucopyranoside(Ⅴ),2α,3α,19α-trihydroxylurs-12-en-28-oic acid-28-O-β-D-glucopyranoside(Ⅵ).CompoundsⅣ,Ⅴ,Ⅵ were isolated for the first time from Duchesnea genus.

     

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