Natural and unnatural anthraquinones isolated from the ethanol extract of the roots of Knoxia valerianoides

Eight new 9,10-anthraquinones (1–8) including three acetonide derivatives of 3-hydroxy-2-hydroxymethyl-9,10-anthraquinones (6–8) were isolated from an ethanol extract of the roots of Knoxia valerianoides. On the basis of chemical transformation reactions of the co-occurring 14 and 15 combined with H...

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Bibliographic Details
Main Authors: Feng Zhao, Sujuan Wang, Sheng Lin, Chenggen Zhu, Zhenggang Yue, Yang Yu, Bo Liu, Xiuli Wu, Yongchun Yang, Yan Li, Jiangong Shi
Format: Article
Language:English
Published: Elsevier 2012-06-01
Series:Acta Pharmaceutica Sinica B
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2211383512000512