Investigation on chemical constituents from Sigesbeckia orientalis L.
Bui Thi Thu Trang,
Do Thi Trang
Abstract:Two germacranolide sesquiterpenes, 9β‐acetoxy‐3‐epi‐nobilium (1), zoapatanolide B (2) and four benzoate ester derivatives, benzyl 2‐O‐β‐D‐glucopyranosyl‐6‐methoxybenzoate (3), benzyl 2‐O‐β‐D‐glucopyranosyl‐6‐hydroxybenzoate (4), methyl 2‐O‐β‐D‐glucopyranosylbenzoate (5), ficuside G (6) were isolated from aerial part of Sigesbeckia orientalis. Structural elucidation of the isolated compounds was done using a combination of HR‐ESI‐MS, one‐dimensional and two‐dimensional NMR spectral methods, and comparison their… Show more
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