一种来自刺叶番荔枝地下部分的螺甾烷醇皂苷。

A spirostanol saponin from the underground parts of Ruscus aculeatus.

作者信息

Mimaki Y, Kuroda M, Yokosuka A, Sashida Y

机构信息

School of Pharmacy, Tokyo University of Pharmacy and Life Science, Japan.

出版信息

Phytochemistry. 1999 Jul;51(5):689-92. doi: 10.1016/s0031-9422(99)00076-x.

DOI:10.1016/s0031-9422(99)00076-x

Abstract

A new spirostanol saponin was isolated from the underground parts of Ruscus aculeatus and the structure was assigned as (23S,25R)-spirost-5-ene-3 beta,23-diol 23-O-[O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranoside] on the basis of spectroscopic analysis, including two-dimensional NMR spectroscopic techniques and the result of acid hydrolysis. The saponin is unique in structure having a diglycoside unit at C-23 of the spirostanol skeleton.

摘要

从刺叶假叶树的地下部分分离出一种新的螺甾烷醇皂苷，基于光谱分析，包括二维核磁共振光谱技术和酸水解结果，其结构被确定为(23S,25R)-螺甾-5-烯-3β,23-二醇23-O-[O-β-D-吡喃葡萄糖基-(1→6)-β-D-吡喃葡萄糖苷]。该皂苷结构独特，在螺甾烷醇骨架的C-23位有一个二糖苷单元。

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