第3級アミンオキシドに関する研究(第63報)1-Cyanoisoquinoline 2-OxideおよびIsoquinoline 2-Oxideのニトロ化について

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タイトル別名
  • Studies on Tertiary Amine Oxides. LXIII. Nitration of 1-Cyanoisoquinoline 2-Oxide and Isoquinoline 2-Oxide
  • 第3級アミンオキシドに関する研究-63-1-Cyanoisoquinoline 2-OxideおよびIsoquinoline 2-Oxideのニトロ化について
  • ダイ 3キュウ アミンオキシド ニカンスルケンキュウ 63 1 Cyanois

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抄録

Nitration of 1-cyanoisoquinoline 2-oxide (1) with potassium nitrate and sulfuric acid gave 5-and 6-nitro derivatives (2 and 3). The reaction was affected by the concentration of sulfuric acid, and 3 was obtained in small yields as the sole product from the reactions in the 85% acid at 70°. Nitration with fuming nitric acid (d=1.50) led to the formation of 3 in fairly good yields together with small amounts of 8-nitro derivative (7). Further, nitration of isoquinoline 2-oxide (9) with fuming nitric acid was found to give 5-, 6- and 8-nitro derivatives (10, 11 and 12). The orienting effect of the N-oxide function is apparently operative in the formation of 11 and 12.

収録刊行物

  • 薬学雑誌

    薬学雑誌 99 (1), 23-29, 1979

    公益社団法人 日本薬学会

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