Citation: Jie KONG, Run Hua LU, Hai Xiang GAO, Min WANG, Yun Pn WANGand Han Qing WANG. A New Triterpenoid Glycoside from Decaisnea Fargesii[J]. Chinese Chemical Letters, ;1999, 10(5): 397-400. shu

A New Triterpenoid Glycoside from Decaisnea Fargesii

1.
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730010;
2.
Department of Chenlistry Northwest Normal University, Lanzhou, Gansu 730070

Received Date: 14 December 1998

Fund Project: This work were partically supported by "Light of Western China" project, sponsored by Chinese Academy of Sciences and Gansu Nature Sciences Foundation. We thank analytical group of the Laboratory Beijing Institute of Microchemistry, for the 2D NMR spectral measurements and Mr. Q. Xia. Beijing University, for the collection of the plant material. We are very grateful to Dr. C R. Yang and the staffs of the laboratory. The National Open Laboratory of Phytochemistry. Kunming Institute of Botany. Chinese Academy Sciences, for the financial assistant and the cordial helps.

A new triterpenoid glycoside, named decaisosidz F. has been isolated from Decaisnea fargesii. Its structure was determined on basis of chemical method. FBA-MS. homonuclear and heteronuclear correlation esperiwnts. including ¹H-¹H COSY. ¹H-¹³C COSY. TOSCY. HMBC and NOESY techniques to be 3-O-β->D-xylopyranosy (1→3)-α-L-arhamnopyranosyl (1→3)-α-L-arabinopyranosvi hederagenin 28-O-β->D-xylopyranosyl (1→4)-β->D-glucopyranosyl(1→β-D-glucopyranoside.
- Decaisnea fargesii,
- triterpenoid glycoside,
- decaisoside F,
- 2D-NMR
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