The condensation of isatin with o-phenylenediamine.
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概要
- 論文の詳細を見る
The condensation of isatin with <I>o</I>-phenylenediamine has been studied in various kinds of solvents. The reaction gave pure indolo[2,3-<I>b</I>]quinoxaline (<B>1</B>) in acidic solvents, while it gave a mixture containing at least two out three compounds, <B>1</B>, an anil and a spiro compound, in neutral or basic organic solvents. The anil and spiro compounds were converted to <B>1</B> in the presence of acid or by heating them above their melting points. The mechanism of the formation of these compounds and the conversion could be explained by the presence of the intermediate of the adduct formed between the amino groups of <I>o</I>-phenylenediamine and the β-carbonyl of isatin.
- 公益社団法人 日本化学会の論文
著者
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TODA Fujio
Department of Bioengineerig, Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology
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Hasegawa Masaki
Department Of Materials Science And Technology Faculty Of Engineering Toin University Of Yokohama
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Iwakura Yoshio
Department of Synthetic Chemistry, Faculty of Engineering, The University of Tokyo
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Niume Kazuma
Department of Synthetic Chemistry, Faculty of Engineering, The University of Tokyo
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Kurosawa Shigeru
Department of Synthetic Chemistry, Faculty of Engineering, The University of Tokyo
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