Benzene is oxidized to produce the phenyl ester of a perfluoromonocarboxylic acid by reaction with H.sub.2 O.sub.2, a perfluoro acid or a combination of acetaldehyde and molecular oxygen, in the presence of (1) a cobalt salt of an organic acid catalyst and (2) a perfluoromonocarboxylic acid solvent.

Коксобензол окислен для того чтобы произвести фениловый эстер perfluoromonocarboxylic кислоты реакцией с H.sub.2 O.sub.2, кислоты perfluoro или комбинации ацеталдегида и молекулярного кислорода, in the presence of (1) соль кобальта катализатора органической кислоты и (2) perfluoromonocarboxylic кисловочный растворитель.

 
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