Affiliation:
1. Hanoi University of Industry (HaUI) 298 Cau Dien, Bac Tu Liem Hanoi 11915 Viet Nam
2. Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST) 18 Hoang Quoc Viet, Cau Giay Hanoi 10072 Viet Nam
Abstract
AbstractTwo 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 spectral data with the previous literature. This is the first description of the structural identification of these compounds from S. orientalis.