Rubiacordone A: a New Anthraquinone Glycoside from the Roots of Rubia Cordifolia

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2009 Jan 27

PMID 19169203

Citations 6

Authors

Xiang Li

Zhi Liu

Yun Chen

Li-Juan Wang

Yi-Nan Zheng

Guang-Zhi Sun

Chang-Chun Ruan

Affiliations

Soon will be listed here.

Abstract

A new anthraquinone, Rubiacordone A (1) (6-acetoxy-1-hydroxy-2-methylanthraquinone-3-O-alpha-L-rhamnopyranoside), was isolated together with the known anthraquinone, 1-acetoxy-6-hydroxy-2-methylanthraquinone-3-O-[alpha-L-rhamnopyranosyl-(1-->2)-beta-D-glucopyranoside] (2), from the dried roots of Rubia cordifolia. Their structures were elucidated on the basis of extensive 1D and 2D-NMR, as well as HRESI-MS spectroscopic analysis. Metabolites 1 and 2 showed considerable antimicrobial activity against Gram-positive bacteria.

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