Flavonoid from stem bark of aquilaria microcarpa

Abstract

THIS study reported the isolation of 7-hydroxy-5,3’,4’-trimethoxyflavone (1) from stem bark of Aquilaria microcarpa, a species belonging to Thymelaeaceae family. This report is our continuation study about this plant. Previously, we reported the presence of 5,3’,4’-trihydroxy-7-methoxyflavon and 6-hydroxy-2-(2-phenylethyl) chromon The chemical structure of compound (1) has been elucidated based on spectroscopy method including FTIR, NMR and HRESI-MS analysis.