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Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

[Chemical constituents of n-BuOH extract of Comastoma pedunculatum].


PMID 23234130

Abstract

Thirteen compoumds were isolated from the n-BuOH portion of the 70% ethanolic extract of Comastoma pedunculatum by a combination of various chromatographic techniques including silica gel, macroporous adsorbent resin, Sephadex LH-20, and preparative HPLC, of which nine were triterpenoid saponins and four were flavone C-glycosides. Their structures were elucidated by spectroscopic data as saikogenin F (1), 3-O-beta-D-fucopyranosylsaikogenin F (2), clinoposaponin XV (3), saikosaponin A (4), 6"-acetylsaikosaponin A (5), clinoposaponin I (6), bupleuroside I (7) , clinoposaponin XII (8) , saikoponin b3 (9), isovitexin (10) , swertisin (11) , isoorientin (12), 3',4',5-trihydroxy-7-methoxy-6-C-beta-D-glucopyranosyl-flavone (13). Compounds 1-10, 12-13 were all isolated from Comastoma genus for the first time.

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F2003
Flavone, ≥99.0%
C15H10O2