Preparation of β-lactams from Optically Active Isocyanate and Vinyl Ethers under High Pressure

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The [2+2] cycloaddition of (S) - (-) - and (R) - (+) -α-methylbenzyl isocyanate to 2, 3-dihydrofuran was accelerated by compression to produce four diastereomers of a β-lactam. The diastereomers were isolated and the absolute configuration of each diastereomer was determined. The ratio of diastereomer was about 51/49 and did not change with pressure, reaction temperature, and kind of solvent. The reaction of (S) - (+) -1- (1-naphthyl) ethyl isocyanate with 2, 3-dihydrofuran and the reaction of (S) - (-) -α-methylbenzyl isocyanate with various vinyl ethers under high pressure gave similar reactivity and diastereoselectivity to the reaction of α-methylbenzyl isocyanate with 2, 3-dihydrofuran.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 1408-1410, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002694244
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494251
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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