島根農科大学
ISSN:0559-8311
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島根農科大学研究報告 15
1967-01-31 発行
バルビツール酸ピリジン塩によるカルボニル化合物の新呈色反応
A New Color Reaction of the Carbonyl Compounds with Pyridinium Barbiturate
北岡 正三郎
鈴木 喜六
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内容記述（抄録等）
Pyridinium barbiturate was examied as a possible coloring agent for reducing sugars and some biologic carbonyl compounds. Reducing sugars produced with this reagent brown colors too pale and unstable in test tube and chromatograhic tests to be useful as a coloring agent. However, pyruvic acid and a few other carbonyl acids gave pink color and it is expected that this reagent can be used if the reaction conditions are selected. Glyoxal gave deep red color and this reagent should be a good coloring agent for dicarbonyls. The condensation products of pyridinium barbiturate and pyruvic acid and glyoxal were isolated.
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