Citation: Zhi Xin LIAO, Yu Lin LI, Ming Kui WANG, Li Sheng DING, Yao Zu CHEN. Two New Xanthone Glycosides from Swertia Tetraptera[J]. Chinese Chemical Letters, ;2001, 12(5): 433-434. shu

Two New Xanthone Glycosides from Swertia Tetraptera

1.
State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000;
2.
Northwest Plateau Institute of Biology, Chinese Academy of Sciences, Xining 810001;
3.
Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041

Received Date: 16 October 2000

Fund Project: This work was supported by the "Xi Bu Zhi Guang" Foundation of the Chinese Academy of Sciences.

Two new xanthone glycosides,tetraswerosides A and B,were isolated from the whole plant of Swertia tetraptera.Their structures were determined as 3-O-b-D-glucopyranosyl-1-hydroxy-4,7-dimethoxyxanthone and 3-O-[b-D-xylopyranosyl-(1→6)-b-D-glucopyranosyl]-1-hydroxy-4,7-dimethoxyxanthone by spectroscopic methods.
- Swertia tetrapetra,
- xanthone glycoside,
- tetraswerosides A and B.
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