ESIおよびFABマススペクトロメトリーを用いるアミン類およびジペプチド類のエナンチオマー過剰度の決定 Enantiomer Excess Determination of Amines and Dipeptides by ESI and FAB Mass Spectrometry Coupled with the Enantiomer-Labeled Host Method

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The enantiomeric excess (e.e.) determination of organic amines and dipeptides has been examined using ESI and FAB mass spectrometry. Here, an equimolar amount of labeled and unlabeled enantiomeric host pair compounds is mixed with a given e.e.-unknown guest compound. This is called the enantiomer labeled (EL)-host method. The enantiomeric host pairs employed were (1) chiral podands having galactose end-groups and (2) chiral crown ethers. Three sets of the Ie (intensity excess)-e.e. plot showed excellent linear relationships, indicating that the e.e.-value of e.e.-unknown amine compounds can be determined by the simple ESIMS or FABMS coupled with the EL-host method, within the mean error of 1.5-4%e.e.

The enantiomeric excess (<i>e.e.</i>) determination of organic amines and dipeptides has been examined using ESI and FAB mass spectrometry. Here, an equimolar amount of labeled and unlabeled enantiomeric host pair compounds is mixed with a given <i>e.e.</i>-unknown guest compound. This is called the enantiomer labeled (EL)-host method. The enantiomeric host pairs employed were (1) chiral podands having galactose end-groups and (2) chiral crown ethers. Three sets of the <i>I</i><sub>e</sub> (intensity excess)-<i>e.e.</i> plot showed excellent linear relationships, indicating that the <i>e.e.</i>-value of <i>e.e.</i>-unknown amine compounds can be determined by the simple ESIMS or FABMS coupled with the EL-host method, within the mean error of 1.5-4%<i>e.e.</i>

収録刊行物

  • 質量分析 = Mass spectroscopy

    質量分析 = Mass spectroscopy 52(5), 289-294, 2004-10-01

    一般社団法人 日本質量分析学会

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各種コード

  • NII論文ID(NAID)
    10013736916
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13408097
  • NDL 記事登録ID
    7132577
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z17-213
  • データ提供元
    CJP書誌  NDL  IR  J-STAGE 
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