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Study on chemical constituents of Cyclocarya paliurus

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Pages 206-209 | Received 14 Dec 2012, Accepted 11 Jul 2013, Published online: 29 Nov 2013
 

Abstract

A new dammarane triterpenoid glycoside named cyclocarioside J (1) and other three known triterpenoid glycosides were isolated from the leaves of Cyclocarya paliurus. Based on ESI-MS, HR-ESI-MS, 1H NMR, 13C NMR, and 2D NMR techniques including 1H–1H COSY, HMBC, HMQC, and NOESY correlations, the structure of cyclocarioside J was elucidated as (20S,24R)-epoxydammarane 3β,12β,25-trihydroxy-12-O-β-d-quinovopyranosyl-3-O-α-l-arabinopyranoside.

Acknowledgments

The authors were financially supported by the International Science – Technology Cooperation Program of China (2010DFB33260) and the Cooperation Program of Beijing Municipal Education Commission and the Innovative team of Beijing TCM University (No. 2011-CXTD-19).

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