Process for the preparation of aliphatic nitriles

Details Process for the preparation of aliphatic nitriles Process for the preparation of aliphatic nitriles

1999-05-19

1999-12-21

Richter, Johann

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

Organic compounds

Nitriles

558313, C07C25300

Patent

active

060051345

ABSTRACT:
The present invention provides a process for preparing a high-quality aliphatic nitrile in a high yield at a low cost without the dissolution of a catalyst in the product, which comprises reacting an aliphatic carboxylic acid, a lower alkyl ester thereof or a fatty acid glyceride with ammonia in the presence of a solid catalyst which exhibits a high activity even at a reaction temperature of as low as 300.degree. C. or below and is difficultly soluble in the reaction fluid; and a process for the preparation of amines by hydrogenating the aliphatic nitrile prepared by the above process. Namely, the present invention provides a process for the preparation of an aliphatic nitrile by reacting an aliphatic carboxylic acid, a lower alkyl ester thereof or a fatty acid glyceride with ammonia in the presence of a composite oxide catalyst comprising titanium oxide as the main component; and a process for the preparation of amines by hydrogenating the aliphatic nitrile prepared by the above process.

REFERENCES:
patent: 2177619 (1939-10-01), Nicodemus et al.
patent: 2493637 (1950-01-01), Niederhauser

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