Diazotisation of 4-aminotetrafluoropyridine in a sulphuric acid-acetic acid-propionic acid medium
1984
Abstract 4-Aminotetrafluoropyridine can be diazotised successfully by adding it to a solution of sodium nitrite in a mixture of 98% sulphuric acid, acetic acid and propionic acid; addition of mesitylene, m -cresol, 3, 5-dimethylphenol or 2-naphthol to the solution of tetrafluoro-4-pyridyldiazonium ion thus produced provides the expected azo-compounds in good yields.
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