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ChemInform Abstract: Oxidative Alkylation of Azoles. Part 5. Synthesis of 4-Nitro-N-chloroimidazole and Its Reaction with Methyl Iodide.

✍ Scribed by E. A. VERETENNIKOV; M. S. PEVZNER

Publisher: John Wiley and Sons
Year: 2010
Weight: 29 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199835166

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✦ Synopsis

Oxidative Alkylation of Azoles. Part 5. Synthesis of 4-Nitro-N-chloroimidazole and Its Reaction with Methyl Iodide. -Chlorination of 4-nitroimidazole (I) in alkaline solution affords the 4-nitro-Nchloroimidazole (II) in almost quantitative yield. Chloroimidazole (II) undergoes oxidative alkylation with MeI to give the monomethylimidazoles (IV) and (V) or the dimethylimidazolium salt (VI) depending on the reaction temperature.

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