Process for the liquid-phase preparation of nitriles from alipha

Details Process for the liquid-phase preparation of nitriles from alipha Process for the liquid-phase preparation of nitriles from alipha

1991-09-06

1993-04-13

Brust, Joseph P.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

558311, C07C25322, C07C25320

Patent

active

052024555

ABSTRACT:
The present invention relates to a process for the liquid-phase preparation of nitriles from aliphatic dicarboxylic acids at temperatures of about 200.degree. to 350.degree. C. using ammonia in the presence of a phosphoric acid-based catalyst, wherein an adsorbent for the catalyst is added to the reaction mixture.

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