Infrared Spectra of Sulfonamide Derivatives. II. Thiophene, Thiadiazole, and Isoxazole Derivatives
スポンサーリンク
概要
- 論文の詳細を見る
Infrared spectra were applied to the studies on the amido-imido tautomerism of the sulfonamide derivatives containing the heterocyclic rings such as thiadiazole and isoxazole. 2-Phenylsulfonamidothiophene was used as a model compound of the amidoform. From the pattern of the spectral change on N-deuteration and the comparison with the corresponding carboxylic acid amides in the region 1650〜1500 cm^<-1>, it was found that 2-sulfonamidothiadiazoles exist in the imido-form, while 3-and 5-sulfonamidoisoxazoles exist in the amido-form in the solid state. For most of the sulfonamides the SO_2 symmetric stretching frequencies of the imido-form were found to be lower than those of the amido-form.
- 公益社団法人日本薬学会の論文
- 1966-07-25
著者
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町田 勝之輔
Faculty of Pharmaceutical Sciences, Kyoto University
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宇野 豊三
Faculty Of Pharmaceutical Sciences Mukogawa Women's University
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町田 勝之輔
京都大学薬学部
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町田 勝之輔
Faculty Of Pharmaceutical Sciences Kyoto University
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花井 一彦
Faculty of Pharmacy, Kyoto University
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宇野 豊三
Faculty Of Pharmaceutical Sciences Kyoto University
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