Isolation and Structure Elucidation of Quercetin-Derivative (amino-flavone) from Centaurea perrottetii DC (Asteraceae)

The plant, Centaurea perrottetii DC (Asteraceae) is a herbaceous thistle-like shrub used in traditional medicine for the treatment of malaria, fever, syphilis, ulcer and skin infections. aim study to isolate elucidate structure compound(s) from C. perrottetii. Quercetin-derivative (an amino-flavone) was isolated n-hexane fraction methanol extract whole plant using combination silica gel column filtration chromatography. compound as 2-(3,4-dihydroxyphenyl)-3-((1-ethylcyclopropyl)amino)-5,7-dihydroxy-4Hchromen-4-one established via chemical tests, Ultraviolet (UV), Infrared (IR), 1D- 2D-dimensional NMR spectroscopy. This first report isolation this