キノリンイエローWSのスルホン酸置換位置について

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タイトル別名
  • Studies on Sulfonated Sites of Quinoline Yellow WS

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説明

Sulfonated sites in quinoline Yellow WS, which is distributed under the name of "D & C Yellow No.203"have not been clarified as yet. Treatment of 2-(2'-quinolyl)-1, 3-indandione with fuming sulfuric acid, gave several sulfonated products and two of product dye were identified as 2-(2'-quinolyl)-1, 3-indandione-6'-sulfonic acid and 2-(2'-quinoly)-1, 3-indandione-5, 6'-disulfonic acid by nuclear magnetic resonance, infrared and mass spectra. Commercial samples of quinoline Yellow WS consist of the disodium 2-(2'-quinolyl)-1, 3-indandione-5, 6'-disulfonate and contain other sulfonated derivatives.

収録刊行物

  • 衛生化学

    衛生化学 18 (5), 320-323, 1972

    公益社団法人 日本薬学会

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