一种来自药用紫草根部的双糖苷三萜类化合物。

A bidesmosidic triterpene glycoside from the roots of Symphytum officinale.

作者信息

Noorwala M, Mohammad F V, Ahmad V U, Sener B

机构信息

H.E.J. Research Institute of Chemistry, University of Karachi, Pakistan.

出版信息

Phytochemistry. 1994 May;36(2):439-43. doi: 10.1016/s0031-9422(00)97091-2.

DOI:10.1016/s0031-9422(00)97091-2

PMID:7764880

Abstract

A new bidesmosidic triterpenoidal saponin of hederagenin was isolated from the ethanolic extract of the roots of Symphytum officinale L. Its structure was elucidated by using 1H NMR, 1H-1H COSY NMR, heteronuclear 1H-13C correlated spectroscopy (heteroCOSY), 13C NMR, DEPT, FAB mass spectrometry and chemical evidence as 3-O-alpha-L-arabinopyranosyl]-hederagenin-28-O-[beta-D-gluco pyranosyl- (-->4)-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl]ester.

摘要

从药用紫草（Symphytum officinale L.）根的乙醇提取物中分离出一种新的常春藤皂苷元双糖苷三萜皂苷。通过1H NMR、1H-1H COSY NMR、异核1H-13C相关光谱（heteroCOSY）、13C NMR、DEPT、FAB质谱和化学证据确定其结构为3-O-α-L-阿拉伯吡喃糖基]-常春藤皂苷元-28-O-[β-D-葡萄糖吡喃糖基-(→4)-β-D-葡萄糖吡喃糖基-(1→6)-β-D-葡萄糖吡喃糖基]酯。