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紫菀苷F和G:来自云南紫菀的两种新的三萜皂苷。

Asteryunnanosides F and G: two new triterpenoid saponins from Aster yunnanensis.

作者信息

Shao Y, Zhou B N, Lin L Z, Cordell G A

机构信息

Shanghai Institute of Materia Medica, Academia Sinica, China.

出版信息

Planta Med. 1995 Oct;61(5):446-9. doi: 10.1055/s-2006-958133.

Abstract

Two new triterpenoid saponins, aster-yunnanosides F and G, were isolated from the roots of Aster-yunnanensis. Their structures were determined as oleanolic acid-28-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranoside and 3-O-beta-glucopyranosyloleanolic acid-28-O-beta-D-glucopyranosyl-(1-->6)-[alpha-L-rhamnopyranosyl-(1-->2) ]- beta-D-glucopyranoside by spectral data, especially 2D NMR analysis including COSY, HETCOR, HOHAHA, and ROESY techniques, and chemical transformation.

摘要

从云南紫菀根部分离得到两种新的三萜皂苷,紫菀云南苷F和G。通过光谱数据,尤其是包括COSY、HETCOR、HOHAHA和ROESY技术的二维核磁共振分析以及化学转化,确定它们的结构分别为齐墩果酸-28-O-β-D-吡喃葡萄糖基-(1→6)-β-D-吡喃葡萄糖苷和3-O-β-吡喃葡萄糖基齐墩果酸-28-O-β-D-吡喃葡萄糖基-(1→6)-[α-L-鼠李吡喃糖基-(1→2)]-β-D-吡喃葡萄糖苷。

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