Thirteen novel cycloartane-type triterpenes from Combretum quadrangulare

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DOIResolve DOI: http://doi.org/10.1021/np990336q
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TypeArticle
Journal titleJournal of Natural Products
ISSN0163-3864
1520-6025
Volume63
Issue1
Pages5764; # of pages: 8
AbstractThirteen novel cycloartane-type triterpenes were isolated from Combretum quadrangulare, a Vietnamese medicinal plant. The structures of the novel triterpenes were determined by spectroscopic methods as well as by chemical transformations. Among those compounds, quadrangularic acids F (1), G (2), and H (4) and 24-epiquadrangularic acid G (3) are the first examples of cycloartane-type triterpenes bearing carboxylic acid groups at both C-4 and C-20. Furthermore, norquadrangularic acid A (13) is the first example of a trinorcycloartane-type triterpene isolated from the genus Combretum.
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LanguageEnglish
Peer reviewedYes
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NPARC number21275295
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Record identifier991ce4fd-e2aa-4e5f-9117-a83a20361ac9
Record created2015-06-02
Record modified2016-05-09
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