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Direct iodination of 3- and 4-nitropyrazoles with a reagent based on iodine monochloride and silver sulfate

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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.

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Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1482–1484, August, 2000.

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Chaikovskii, V.K., Kharlova, T.S., Tretyakov, E.V. et al. Direct iodination of 3- and 4-nitropyrazoles with a reagent based on iodine monochloride and silver sulfate. Russ Chem Bull 49, 1475–1477 (2000). https://doi.org/10.1007/BF02495102

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  • DOI: https://doi.org/10.1007/BF02495102

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