Two new xanthones from Lomatogonium carinthiacum
2014
Ba-gen-na, | CHEN, Yu-Lan | Baderihu, | TONG, Yu-Feng | Ye-ri-gui, | WANG, Qing-Hu
To study the chemical constituents of Lomatogonium carinthiacum (Wulfen) Rchb.The CHCl3-soluble fraction was separated by chromatography and the structures of the new compounds were elucidated by spectral experiments.Two new xanthones, 1, 8-dihydroxy-4, 5-dimethoxy-6, 7-methylenedioxyxanthone (1), 1, 4, 8-trimethoxyxanthone-6-O-β-D-glucoronyl-(1→6)O-β-D-glucoside (2) were isolated from the whole plant of Lomatogonium carinthiacum.Compounds 1 and 2 are new natural products.
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