M-Iodosylbenzoic acid as a convenient recyclable hypervalent iodine oxidant for the synthesis of α-iodo ketones by oxidative iodination of ketones; Synthesis; № 21
| Parent link: | Synthesis № 21.— 2010.— [P. 3681-3685] |
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| مؤلفون آخرون: | Yusubov M. S. Mekhman Suleiman-Ogly (Suleimanovich), Yusubova R. Ya. Roza Yavidovna, Funk T. V. Tatyana V., Chi Ki-Whan, Kirschning A., Zhdankin V. V. Viktor Vladimirovich |
| الملخص: | Title screen Сообщают об удобной методике получения α-иодкетонов окислительным иодированием кетонов с использованием иода и м-иодозилбензойной кислоты как регенерируемого окислителя гипервалентного иода. Различные кетоны и β-дикарбонильные соединения можно иодировать при помощи этой системы реагентов в мягких условиях реакции с получением α-иодзамещенных карбонильных соединений с отличными выходами. A convenient procedure for the preparation of -iodo ketones by oxidative iodination of ketones using iodine and m-iodosylbenzoic acid as a recyclable hypervalent iodine oxidant is reported. Various ketones and -dicarbonyl compounds can be iodinated by this reagent system under mild conditions affording the respective -iodo-substituted carbonyl compounds in excellent yields. The final products of iodination are conveniently separated from byproducts by simple treatment with anionic exchange resin Amberlite IRA 900 HCO3- and are isolated with good purity after evaporation of the solvent. The reduced form of the hypervalent iodine oxidant, m-iodobenzoic acid, can be recovered in 91-95% yield from the Amberlite resin by treatment with aqueous hydrochloric acid followed by extraction with ethyl acetate. Режим доступа: по договору с организацией-держателем ресурса |
| اللغة: | الإنجليزية |
| منشور في: |
2010
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| الموضوعات: | |
| الوصول للمادة أونلاين: | http://dx.doi.org/10.1055/s-0030-1258223 |
| التنسيق: | الكتروني فصل الكتاب |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=649326 |
مواد مشابهة
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مواد مشابهة
-
m-Iodosylbenzoic acid, a tagged hypervalent iodine reagent for the iodo-functionalization of alkenes and alkynes; Tetrahedron Letters; Vol. 49, iss. 9
منشور في: (2008) -
Potassium 4-Iodylbenzenesulfonate (PIBS): An Efficient Recyclable Hypervalent Iodine Reagent for Iodo-functionalization of Alkenes, Alkynes and Ketones; Current Organic Synthesis; Vol. 13, iss. 6
منشور في: (2016) -
Expedient Synthesis of Long-Chain w-Substituted Fatty Acids and Esters from Cyclic Ketones Using Iodine and Hydrogen Peroxide; Synthesis; Vol. 50, iss. 6
منشور في: (2018) -
Oligomeric iodosylbenzene sulfate: a convenient hypervalent iodine reagent for oxidation of organic sulfides and alkenes; Synthesis; № 15
منشور في: (2009) -
Synthesis of Oxazoline and Oxazole Derivatives by Hypervalent-Iodine-Mediated Oxidative Cycloaddition Reactions; Synthesis; Vol. 52, iss. 16
منشور في: (2020)