Synthesis and oxidation of some azole-containing thioethers

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ID: 81922
2011
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Abstract
Pyrazole and benzotriazole-containing thioethers, namely 1,5-bis(3,5-dimethylpyrazol-1-yl)-3-thiapentane, 1,8-bis(3,5-dimethylpyrazol-1-yl)-3,6-dithiaoctane and 1,3-bis(1,2,3-benzotriazol-1-yl)-2-thiapropane were prepared and fully characterized. Oxidation of the pyrazole-containing thioether by hydrogen peroxide proceeds selectively to provide a sulfoxide or sulfone, depending on the amount of oxidant used. Oxidation of the benzotriazole derivative by hydrogen peroxide is not selective, and sulfoxide and sulfone form concurrently. Selenium dioxide-catalyzed oxidation of benzotriazole thioether by H2O2, however, proceeds selectively and yields sulfoxide only.
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Authors Potapov, Andrei S.;Chernova, Nina P.;Ogorodnikov, Vladimir D.;Petrenko, Tatiana V.;Khlebnikov, Andrei I.;
Journal Beilstein journal of organic chemistry
Year 2011
DOI
DOI not found
URL
https://doi.org/10.3762/bjoc.7.179
Keywords
chemistry Organic Chemistry Materials of engineering and construction. Mechanics of materials Chemical technology Science plant ecology water supply for domestic and industrial purposes energy industries. energy policy. fuel trade river, lake, and water-supply engineering (general)

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