Abstract
Three new flavane glucosides (1–3) were isolated from the leaves of Morus wittiorum. The structures with absolute configuration were determined on the basis of hydrolysis and spectroscopic methods including UV, IR, HR-ESI-MS, 1D, and 2D NMR.
Acknowledgements
This work was supported by grants from the National Natural Science Foundation for Outstanding Young Scholar (No. 30625039), the Program for Changjiang Scholars (to Dr Ye), the National Natural Science Foundation of China (No. 30472146), the Science Foundation of Ministry of Education of China (No. 707048), and the Team Project of Natural Science Foundation of Guangdong Province (No. 8351063201000003).