Production of carboxylic acids from nitriles

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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562484, 562490, 562493, C07D21355, C07C 6326

Patent

active

041744527

ABSTRACT:
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.

REFERENCES:
patent: 3285956 (1966-11-01), Holsten et al.
patent: 3492345 (1970-01-01), Neugebauer et al.

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