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Original Articles

Note: A new sesquiterpene glycoside from Dendrobium nobile Lindl.

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Pages 311-314 | Received 02 May 2003, Accepted 01 Mar 2003, Published online: 19 Aug 2006
 

Abstract

A new sesquiterpene glycoside with a picrotoxane-type aglycone has been isolated from the stems of Dendrobium nobile Lindl. Its structure was elucidated as 7,12-dihydroxy-5-hydroxymethyl-11-isopropyl-6-methyl-9-oxatricyclo[6.2.1.02,6]undecan-10-one-15-O-β-d-glucopyranoside on the basis of spectroscopic data and chemical methods.

Acknowledgements

This research was supported by The National Natural Science Foundation of China (NO. 30170023) and The Doctor Degree Special Foundation for Authors of Excellent Thesis in Colleges and Universities of China (NO. 199950). Thanks are given to the Department of Institute Analysis, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College for measuring the IR and NMR spectral data. We also thank the National Center of Biomedical Analysis, Academy of Military Medical Sciences for performing the FABMS and the Institute of Chemistry, Chinese Academy of Sciences for measuring the HR-ESIMS.

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