Abstract
A novel aryltetralone lignan, pedunculine A (1), together with a known lignan cagayanone A (2), was isolated from the leaves and twigs of Litsea pedunculata. The structure of the new lignan was elucidated on the basis of spectroscopic methods and single-crystal X-ray diffraction.
Acknowledgements
This work was financially supported by the National Natural Science Foundation of China (30960460), the Natural Science Foundation of Yunnan Province (2007B0006Z), and Training Program Foundation for Key Teacher of Yunnan University, which are gratefully acknowledged.