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作 者 ：滕荣伟，倪伟，丁靖凯，王德祖，陈昌祥

期 刊 ：云南植物研究 2002年 24卷 04期 页码：1-3

关键词：滇皂角；豆科；GS-C；NMR全归属；

Keywords:Gleditsia delauayi,

摘 要 ：从滇皂角Gleditsia delavayi Franch荚果的水溶性部分分离到一个含有8个糖基的三萜皂苷。运用光谱方法鉴定其结构为：3-O-β-D-吡喃木糖基(1→2)-α-L-阿拉伯吡喃糖基(1→6)-β-D-葡萄吡喃糖基-28-O-β-D-吡喃木糖基(1→3)-β-D-吡喃木糖基(1→4)-α-L-鼠李吡喃糖基(1→2)-［α-L-鼠李吡喃糖基(1→6)］-β-D-葡萄吡喃糖基刺囊酸(GS-C′)。应用2D NMR谱，包括TOCSY,1H1H COSY, HMQC, HMQCTOCSY, HMBC 和ROESY谱，全归属了其氢和碳的化学位移。

Abstract:From the fruits of Gleditsia delauayi Franch.,a new triterpenoid saponin GS_C′was isolated and its structure was determined to be 3-0-β-D-xylopyranosyl(1→2)-a-L-arabinopyranosyl(1→6)-β-D-glucopyranosyl-28-O-β-D-xylopyranosyl(1→3)-β-D-xylopyranosyl(1→4)-a-L-Rhamnopyranopyl (1→2)-[a-L-rhamnopyranodyl(1→6)]-β-D-glucopyranosyl echinocystic acid.Complete assignments of1 H and 13 C spectra of CS-C′were achieved by 2D NMR spectra, such as TOCSY ,1H-1H COSY, HMQC,HMQC-TOCSY,HMBCand ROESY.

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