3 結果
Four new compounds were isolated from Boerhavia diffusa namely eupalitin 3-O-beta-D-galactopyranosyl-(1''' --> 2'')-O-beta-D-galactopyranoside (1), 3,3',5-trihydroxy-7-methoxyflavone (4), 4',7-dihydroxy-3'-methylflavone (5) and 3,4-dimethoxyphenyl-1-O-beta-D-apiofuranosyl-(1'' -->
Two new rotenoids, boerharotenoids A (1) and B (2), and four known compounds, boeravinone (3), 5,7,3'-trihydroxycoumaronochromone (4), boeravinone F (5), and eupalitin-3-O-beta-D-galactopyranoside (6), have been isolated from Boerhavia repens and their structures established by spectroscopic (1D and
BACKGROUND
The genus Boerhavia is widely distributed in tropical, subtropical and temperate regions of the world including Mexico, America, Africa, Asia, Indian Ocean Islands, Pacific Islands and Australia. The genus Boerhavia is extensively used by local peoples and medicinal practitioners for