Direct iodination of 3- and 4-nitropyrazoles with a reagent based on iodine monochloride and silver sulfate |
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| Authors: | V. K. Chaikovskii T. S. Kharlova E. V. Tretyakov S. F. Vasilevsky V. D. Filimonov |
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| Affiliation: | (1) Tomsk Polytechnical University, 30 prosp. Lenina, 634004 Tomsk, Russian Federation;(2) Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 ul. Institutskaya, 630090 Novosibirsk, Russian Federation |
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| Abstract: | The reagent obtained from iodine monochloride and silver sulfate in sulfuric acid easily iodinates I-methyl-3-nitropyrazole under mild conditions to give 4-iodo or 4,5-diiodo derivatives, 1-Methyl-4-nitropyrazole was also directly iodinated with this reagent for the first time. Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1482–1484, August, 2000. |
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| Keywords: | iodination iodine monochloride methylnitropyrazoles iodomethylnitropyrazoles |
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