Four anthraquinones from Hedyotis diffusa.
A new anthraquinone has been isolated from the 95% EtOH extract of Hedyotis diffusa and characterized as 2-hydroxy-3-methoxy-6-methyl-9,10-anthraquinone (1) by extensive spectral analysis. The known compounds isolated for the first time from this plant have been identified as 2-hydroxy-3-methoxy-7-methyl-9,10-anthraquinone (2), 2-hydroxy-6-methylanthraquinone (3), and 1,3-dimethoxy-2-hydroxy-9,10-anthraquinone (4).
Huang
Wei-Hua
WH
Department of Phytochemistry, Jiangsu Provincial Institute of Traditional Chinese Medicine, Nanjing, China.
Yu
Shun-Hui
SH
Li
You-Bin
YB
Jiang
Jian-Qin
JQ
D000880:Anthraquinones / Q000737:chemistry*; D032064:Hedyotis / Q000737:chemistry*; D015394:Molecular Structure
D000880:Anthraquinones