Citation: Wei Sheng Feng, Hong Wei Li, Xiao Ke Zheng, Sui Qing Chen. Two new megastigmane O-glucopyranosides from the leaves of Broussonetia papyrifera[J]. Chinese Chemical Letters, ;2007, 18(12): 1518-1520. doi: 10.1016/j.cclet.2007.10.028 shu

Two new megastigmane O-glucopyranosides from the leaves of Broussonetia papyrifera

Henan College of Traditional Chinese Medicine, Zhengzhou 450008, China

Received Date: 26 August 2007

Fund Project: The authors are grateful to Prof.Jian Xun Kang, Prof.Wei Guo Zhu and Prof.Bin Xin, Analysis and Testing Center of Zhengzhou University, for the 1D, 2D NMR and HR-ESI-MS spectra measurements.We are very grateful to Mr.Zhi You Hao, Mrs.Xin Yu Zang and Mr.Zhen Li for their cordial helps.The authors also thank the 2004 Chinese Medicine Technology Research Project of the State Administration of Traditional Chinese Medicine of the People, s Republic of China (No.04-05ZP43) for financial support.

Two new megastigmane O-glucopyranosides, named (2R, 3R, 5R, 6S, 9R)-3-hydroxy-5, 6-epoxy-β-ionol-2-O-β-D-glucopyranoside (1) and (2R, 3R, 5R, 6S, 9R)-3-hydroxyl-5, 6-epoxy-acety-β-onol-2-O-β-D-glucopyranoside (2) together with six known megastigmanes, were isolated from the leaves of Broussonetia papyrifera (Linn. ) Vent. Their structures were established by chemical methods and spectroscopic techniques including 2D NMR.
- Broussonetia papyrifera,
- Megastigmane O-glucopyranosides
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