Synthesis of Sybstituted Isoxazoles and Pyrazoles Based on 1-Aryl-3,4,4-trichloro-3-buten-1-ones |
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| Authors: | S. K. Petkevich V. I. Potkin R.V. Kaberdin |
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| Affiliation: | (1) Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, Minsk, 220072, Belarus |
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| Abstract: | 3-Aryl-5-methylenehydroxyiminoisoxazoles were synthesized by reaction of 1-aryl-3,4,4-trichloro-3-buten-1-ones with hydroxylamine. Reactions of ketones with hydrazine provided pyrazole structures; therewith two pyrazole molecules underwent  coupling affording 3-arylpyrazole-5-carbaldehyde azines. |
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