Abstract
A new aryldihydronaphthoic acid, descuraic acid (1), was isolated from the seeds of Descurainia sophia (L.) Webb ex Prantl. The structure of 1 was elucidated by means of physico-chemical properties and spectroscopic methods (1D and 2D NMR, MS). 1 was a new nor-lignan.
Acknowledgments
Special thanks are due to the Analytical Detective Center, Shenyang Pharmaceutical University, for recording ESI-MS and NMR spectra.