Zhongguo Zhongyao Zazhi 2009-Mar
[Chemical constituents from Hedyotis diffusa].
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关键词
抽象
OBJECTIVE
To investigate the chemical constituents from Hedyotis diffusa.
METHODS
The compounds were isolated and purified by various chromatographic techniques and identified by their physicochemical properties and spectral data.
RESULTS
Eight compounds had been reported in last paper, and this time eight more compounds were isolated and identified as 6-hydroxystigmasta-4,22-dien-3-one (1), 3-hydroxystigmasta-4,22-dien-7-one (2), 2-hydroxy-3-methylanthraquinone (3), 2,6-dihydroxy-3-methyl-4-methoxyanthraquinone (4), iso-scutellarein (5), isoetin (6), aesculetin (7), gypsogenic acid (8).
CONCLUSIONS
Compounds 1-3, 5-8 were obtained from the genus Hedyotis for the first time.