A New Antiviral Flavone Glycoside from Vernonia cinerea Less.
作者:R.N. Yadava、Mamta Raj
DOI:10.14233/ajchem.2013.13533
日期:——
A new flavone glycoside (A) m.p. 258-260 ºC, m.f. C33H40O19, [M]+ 740 (FABMS), has been isolated from roots of Vernonia cinerea Less. It was characterized as 5,7,4-trihydroxy 3-methoxy flavone-4-O-a-L-rhamnopyranosyl-(1®4)-O-a-L-arabino-pyranosyl-(1®3)-O-b-D-galactopyranoside by various chemical degradations and spectral analysis which showed antiviral activity alongwith two known compounds luteolin (B) and taxifolin (C).