Studies on Kojic Acid Derivatives : Part 4. Some Reactions of Kojic Acid
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概要
- 論文の詳細を見る
New methods of preparation of halogen derivatives; 6-bromo, 6-iodo and 2-bromomethyl kojic acid was established. Kojyloxyacetic acid and its derivatives were also obtained. Mannich reaction of kojic acid with aliphatic amine was investigated, furthermore, it was [figure] found that kojic acid may react with acetoacetic ethyl ester under the condition of Pechman ring close reaction using sulfuric acid as a catalyst. By oxidation with nitric acid, methyl comenic acid was obtained at 0°, while kojic acid was cleaved to oxalic acid. Some of thio-pyrone derivatives were also synthesized.
- 大阪府立大学の論文
- 1964-03-31
著者
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Ichimoto Itsuo
Department Of Agricultural Chemistry College Of Agriculture
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Miyagawa Kinjiro
Department Of Agricultural Chemistry College Of Agriculture
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TATSUMI Chuji
Department of Agricultural Chemistry, College of Agriculture
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Tatsumi Chuji
Department Of Agricultural Chemistry
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ICHIMOTO Itsuo
Department of Agricultural Chemistry, College of Agriculture
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