A new lavandulyl flavonoid from Sorphora flavescens Ait

A new lavandulyl flavonoid was isolated from the rhizome of Sorphora flavescens. The structure of new compound was elucidated on the basis of spectral methods including 2D NMR. And it showed potent cytotoxic activity against Hela cells with IC50 of 1.1 mu mol/L. (c) 2008 Xiu Lan Xin. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.