tailieunhanh - Isolation of some flavonoids from Vitex trifolia in Bachma national park, Thua Thien Hue, Vietnam

Using combined chromatographic methods, three flavonoids, (2S)-7,4'- dihydroxy-5-methoxyflavanone (1), luteolin (2), and 2''-O-rhamnosylvitexin (3) were isolated from the methanol extract of the leaves of Vitex trifolia. Their structures were established on the basis of spectroscopic evidence and comparison with those reported in the literature. | Isolation of some flavonoids from Vitex trifolia in Bachma national park, Thua Thien Hue, Vietnam

TỪ KHÓA LIÊN QUAN