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STRUCTURE OF A STEROID SAPONIN FROM Digitalis ciliata

机译:洋地黄纤毛类固醇皂苷的结构

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摘要

A new steroid glycoside was isolated from leaves of Digitalis ciliata (Scrophulariaceae) by fractionation of the total extracted substances.Its structure was determined as (25R)-5alpha-spirostan-3 beta-ol 3-0- beta-D-glucopyranosyl-(1->3)[beta-D-fucopyranosyl-(1->2)]-beta-D-glucopyranosyl-(1->4)-beta-D-galactopyranoside based on chemical transformations,physical constants,and spectral data.
机译:通过提取总提取物,从洋地黄的叶子中分离出一种新的甾体糖苷,其结构确定为(25R)-5alpha-spirostan-3 beta-ol 3-0- beta-D-D-吡喃葡萄糖基-(基于化学转化,物理常数和光谱数据,1-> 3)[β-D-呋喃核糖基-(1-> 2)]-β-D-吡喃葡萄糖基-(1-> 4)-β-D-吡喃半乳糖苷。

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