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The constitution of saponins isolated from bupleurum falcatum L.

โœ Scribed by Tokuo Kubota; Hiroshi Hinoh

Publisher
Elsevier Science
Year
1968
Tongue
French
Weight
192 KB
Volume
9
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Recently, we have isolated saikogenins E (1, 2), F (3) and G (4) as the genuine sapogenins of the root of Bupieurum falcatum L. and demonstrated (4) that the parent saponins corresponding to these sapogenins are saikosaponins 2,~ and d (5), which on TLC using silica gel G and AcOEt-EtOH-Hz0

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Previously, we have described (1) that acid hydrolysis of the crude soponin obtained from the root of Bupleurum falcotum L. afforded saikogenins A (I), isolation of which was first reported by Shibato et al. (2), B (II), C (III) and D (IV) ond longispinogenin. Recently, Aimi and Shibota (3) and the

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We report here a successful example of organic structure determination whichrequires several steps of chemical procedure and has readily been performed using 13C NMR spectroscopy without chemical degradations. Triterpenoid glycosides, saikosaponin-a (3, -b,--b,, -c, -d (2, and -f were already isolat

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The structure of saikogenins A, B, C and D, triterpenoid alcohols of bupleurum falcatum L.
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Most recently, Shibata et al. (1) have reported isolation of saikogenin A, a major sapogenin of the root of Bupleurum falcatum L., and proposed the partial structure (A) for it. The report prompts us to describe our result on triterpenoid sapogenins of the same saurce. Acid hydrolysis of crude sapon