Fluorine-containing Heterocycles: XI. 5(6)-Fluoro-6(5)-X-benzofuroxans: Synthesis, Tautomerism, and Transformations |
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| Authors: | O N Chupakhin S K Kotovskaya S A Romanova V N Charushin |
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| Institution: | (1) Ural State Technical University, Yekaterinburg, 620219, Russia;(2) Postovskii Institute of Organic Synthesis, Ural Division, Russian Academy of Sciences, Yekaterinburg, 620219, Russia |
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| Abstract: | Features of 5(6)-fluoro-6(5)-X-benzofuroxans tautomerism were investigated. By 1H, 13C, and 19F NMR spectroscopy the direction of Boulton-Katritzky rearrangement in nitration, nitrosation, and azo coupling of fluorine-containing furoxanes was determined. |
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