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    National Tsing Hua University Institutional Repository > 理學院 > 化學系 > 期刊論文 >  THE 4-ALPHA-METHYLSTEROL VIOLASTEROL-A FROM VIOLA-FORMOSANA HAYATA


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/56883


    Title: THE 4-ALPHA-METHYLSTEROL VIOLASTEROL-A FROM VIOLA-FORMOSANA HAYATA
    Authors: LEE SW;CHEN ZT;CHEN CM
    教師: 陳秋明
    Date: 1993
    Publisher: Chinese Chem Soc
    Relation: Journal- Chinese Chemical Society Taipei,Chinese Chem Soc,Volume: 40,Issue: 3,Pages: 305-307,Published: JUN 1993
    Keywords: 4alpha-methylsterol
    violasterol
    VIOLA-FORMOSAN
    Abstract: A new 4alpha-methylsterol, violasterol A, with three known flavonoids-luteolin, luteolin 7-O-beta-D-glucoside and tricin-were isolated from ethanolic extract of whole plants of Viola formosana. The structure of violasterol A was assigned to be (22E)-4alpha-methyl-24xi-isopropenyl-5alpha-cholesta-7,22-diene-3beta-ol (1) on the basis of spectral and chemical evidence.
    URI: http://ejournal.stpi.org.tw/NSC_INDEX/KSP/journalView/docAbstract.jsp
    http://www.ccs.sinica.edu.tw/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/56883
    Appears in Collections:[化學系] 期刊論文

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