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Free radicals in vicarious C-amination reactions of 1-methyl-4-nitropyrazole

✍ Scribed by Tamara I. Vakul'skaya; Irina A. Titova; Gennadii V. Dolgushin; Valentin A. Lopyrev

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 131 KB
Volume: 43
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1708

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✦ Synopsis

The primary radical anions of substrate in the reactions of vicarious nucleophilic substitution of hydrogen in 1-methyl-4-nitropyrazole with 1,1,1-trimethylhydrazinium iodide and 4-amino-1,2,4-triazole in t-BuOK-DMSO were observed and identified by EPR monitoring. The probable mechanism of the substrate radical anions formation is discussed.

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