Reactions of 1-Arylbenziodoxolones with Azide Anion: Experimental and Computational Study of Substituent Effects; European Journal of Organic Chemistry; Vol. 2018, iss. 5
| Parent link: | European Journal of Organic Chemistry Vol. 2018, iss. 5.— 2018.— [P. 640-647] |
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| Autor corporatiu: | , |
| Altres autors: | , , , , , , , , |
| Sumari: | Title screen New substituted 1-arylbenziodoxolones were prepared and their reactivity with azide anion as a nucleophile was investigated. It was found that independent of the presence of substituents, all reactions of 1-arylbenziodoxolones proceed as nucleophilic substitution of the iodonium leaving group in the electron-deficient benziodoxolone benzene ring. The presence of bulky substituents in the ortho position of the aryl ring slows the reaction down, while the presence of a moderately electron-withdrawing bromine substituent in para position to the iodine atom in the benziodoxolone ring moderately increases the rate of substitution. The presence of a strongly electron-withdrawing nitro group in the para position to the iodine atom in the benziodoxolone ring dramatically increases the rate of substitution. These observations are in agreement with the electronic requirements for internal nucleophilic substitution in the benziodoxole ring. A quantum-chemical computational study of the possible reaction paths is in agreement with the observed effects of substituents on the reactivity of arylbenziodoxolones in this reaction. |
| Idioma: | anglès |
| Publicat: |
2018
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| Matèries: | |
| Accés en línia: | https://doi.org/10.1002/ejoc.201701595 |
| Format: | Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658320 |
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| 200 | 1 | |a Reactions of 1-Arylbenziodoxolones with Azide Anion: Experimental and Computational Study of Substituent Effects |f M. S. Yusubov, N. S. Soldatova, P. S. Postnikov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 18 tit.] | ||
| 330 | |a New substituted 1-arylbenziodoxolones were prepared and their reactivity with azide anion as a nucleophile was investigated. It was found that independent of the presence of substituents, all reactions of 1-arylbenziodoxolones proceed as nucleophilic substitution of the iodonium leaving group in the electron-deficient benziodoxolone benzene ring. The presence of bulky substituents in the ortho position of the aryl ring slows the reaction down, while the presence of a moderately electron-withdrawing bromine substituent in para position to the iodine atom in the benziodoxolone ring moderately increases the rate of substitution. The presence of a strongly electron-withdrawing nitro group in the para position to the iodine atom in the benziodoxolone ring dramatically increases the rate of substitution. These observations are in agreement with the electronic requirements for internal nucleophilic substitution in the benziodoxole ring. A quantum-chemical computational study of the possible reaction paths is in agreement with the observed effects of substituents on the reactivity of arylbenziodoxolones in this reaction. | ||
| 461 | |t European Journal of Organic Chemistry | ||
| 463 | |t Vol. 2018, iss. 5 |v [P. 640-647] |d 2018 | ||
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| 701 | 1 | |a Yusubov |b M. S. |c chemist |c Professor of Tomsk Polytechnic University, Doctor of chemical sciences |f 1961- |g Mekhman Suleiman-Ogly (Suleimanovich) |3 (RuTPU)RU\TPU\pers\31833 |9 15928 | |
| 701 | 1 | |a Soldatova |b N. S. |c organic chemist |c engineer of Tomsk Polytechnic University |f 1992- |g Nataliya Sergeevna |3 (RuTPU)RU\TPU\pers\36289 |9 19363 | |
| 701 | 1 | |a Postnikov |b P. S. |c organic chemist |c Associate Professor of Tomsk Polytechnic University, Candidate of chemical sciences |f 1984- |g Pavel Sergeevich |3 (RuTPU)RU\TPU\pers\31287 |9 15465 | |
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