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Acid-catalyzed reaction of 4-methyl-1,2,4-triazoline-3,5-dione (MeTAD) with substituted benzenes

✍ Scribed by Gary W. Breton

Publisher: Elsevier Science
Year: 2011
Tongue: French
Weight: 329 KB
Volume: 52
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2010.12.024

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✦ Synopsis

The reaction of 4-methyl-1,2,4-triazoline-3,5-dione (MeTAD) with substituted benzenes under the influence of trifluoroacetic acid catalysis was investigated. Generally, good-to-high yields of 1-arylurazoles resulting from aromatic substitution were obtained. Successful reaction required moderately electronrich aromatics with proper substitution patterns. The reaction was tolerant of functionality on the aromatic ring.

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