Production of carboxylic acids from nitriles

Details Production of carboxylic acids from nitriles Production of carboxylic acids from nitriles

C - Chemistry, Metallurgy

07

C

260/508, 260/511

C07C 51/08 (2006.01) C07D 213/80 (2006.01)

Patent

CA 1055503

Abstract of the Disclosure A nitrile, such as terephthalonitrile or nicotinonitrile is reacted with water, in the vapor phase. in the presence of a catalyst, such as supported phosphoric acid, to produce the corresponding carboxylic acid. The carboxylic acid may be separated from the gas by sublimation, preferably at a temperature above the dew point of the other components of the mixture.

286662

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