Isolation of Alkaloids from Plant Materials by the Combination of Ion-pair Extraction and Preparative Ion-pair HPLC Using Sodium Perchlorate. I : Magnoliae Cortex

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Quaternary alkaloids in Magnoliae Cortex were isolated by the ion-pair extraction-preparative ion-pair HPLC method, in which sodium perchlorate was utilized as the ion-pair reagent. Quaternary alkaloids form ion-pairs with perchlorate anion and the resulting ion-pairs are extractable with 1,2-dichloroethane under acidic conditions. The quaternary alkaloids thus obtained were efficiently separated by ion-pair HPLC in which sodium perchlorate was also utilized. When preparative HPLC was used, the effluent was concentrated to remove the organic solvent such as acetonitrile, and by extracting the residue with 1,2-dichloroethane and evaporating 1,2-dichloroethane, quaternary alkaloids were obtained as perchlorate of pure alkaloids. Seven quaternary bases were thus isolated from Magnoliae Cortex and their structures were elucidated. Of them, (+)-laurifoline, (±)-oblongine, (+)-menisperine, (+)-xanthoplanine and (+)-N-methylglaucine were isolated for the first time from Magnolia obovata.

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各種コード

  • NII論文ID(NAID)
    110008731540
  • NII書誌ID(NCID)
    AN10438628
  • 本文言語コード
    ENG
  • 資料種別
    雑誌論文
  • ISSN
    13403443
  • NDL 記事登録ID
    3605953
  • NDL 刊行物分類
    SD0(薬学)
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z19-375
  • データ提供元
    CJP引用  NDL  NII-ELS 
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