The Wolff Rearrangement. IV. The Silver-salt Catalyzed Decomposition of α-Diazoacetophenones in Benzene Solution
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- Matsuji Takebayashi
- Department of Chemistry, College of General Education, Osaka University
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- Toshikazu Ibata
- Department of Chemistry, College of General Education, Osaka University
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<jats:title>Abstract</jats:title> <jats:p>The decomposition of α-diazoacetophenone (I) in benzene solution has been studied using a silver benzoate-triethylamine catalyst at 50°C in an atmosphere of nitrogen. The reaction gave 3-benzoyl-4-hydroxy-5-phenylpyrazole (II) and β-phenylpropiophenone (III). In the decomposition of the substituted compounds, such as p-methoxy-, p-methyl- and p-nitro-α-diazoacetophenones, the corresponding substituent products of II and III were also obtained. The formation of II and III is reasonably explained by assuming two kinds of reactions between phenylketene and I.</jats:p>
収録刊行物
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 41 (7), 1700-1707, 1968-07-01
Oxford University Press (OUP)
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詳細情報 詳細情報について
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- CRID
- 1360002219098726912
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- NII論文ID
- 130001965141
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- ISSN
- 13480634
- 00092673
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