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  • Title: Two new triterpenoid glycosides from Cyclocarya paliurus.
    Author: Jiang ZY, Zhang XM, Zhou J, Qiu SX, Chen JJ.
    Journal: J Asian Nat Prod Res; 2006; 8(1-2):93-8. PubMed ID: 16753788.
    Abstract:
    Two new dammarane triterpenoid glycosides named cyclocarosides B (1) and C (2) were isolated from the leaves of Cyclocarya paliurus. Based on FAB-MS, HRESI-MS, IR, 1H NMR, 13C NMR, and 2D-NMR (HMQC, HMBC, COSY, ROESY) data, the structures of cyclocarosides B (1) and C (2) were elucidated as (20S,24R)-epoxydammarane (3beta,12beta)-25-hydroxyl-12-O-beta-D-quinovopyranosyl-3-O-beta-D-quinovopyranoside (1), and (20S,24R)-epoxydammarane (3beta, 12beta)-25-hydroxyl-12-O-alpha-L-arabinopyranosyl-3-O-(5'-O-acetyl)-alpha-L-arabinofuranoside (2).
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