Abstract

This research focuses on the isolation and characterization of eight natural compounds fromthe ethyl acetate extract of Scoparia dulcis L. collected in An Giang province, Vietnam. Sixflavonoid compounds: apigenin (1), luteolin (2), baicalein (3), oroxylin A (4), oroxylin A 7-O-β-D-glucoside (5) and vitexin (6) along with two nitrogen-containing compounds: 2,4-dihydroxy-1,4-benzoxazin-3-one (7) and uracil (8) were successfully isolated via the methods of naturalproduct extraction. The structures of these compounds were elucidated base on 1D-NMR and2D-NMR spectral data as well as MS and compared with those in the authentic reports. Thisstudy contributed new results to the phytochemical examination of Scoparia dulcis Linn.growing in Vietnam with the presence of the first isolated compounds as (3), (4), (5), (7) and (8).

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