Process for preparing di-n-propylacetonitrile

Details Process for preparing di-n-propylacetonitrile Process for preparing di-n-propylacetonitrile

1990-09-14

1991-12-24

Brust, Joseph Paul

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

Organic compounds

Nitriles

C07C25306

Patent

active

050754866

ABSTRACT:
The invention relates to the preparation of di-n-propylacetonitrile, according to a process consisting in heating N-(1-propyl-n-butyl)formamide to a temperature of between 350.degree. C. and 550.degree. C. and in the absence of oxygen, in the presence of a catalyst consisting of a silica impregnated with 0.1 to 10% by weight of alkali metal cations.

REFERENCES:
patent: 2904579 (1959-09-01), Muench et al.
patent: 3256311 (1966-06-01), Becke et al.
patent: 3514478 (1970-05-01), Becke et al.
patent: 4315869 (1982-02-01), Merger et al.
patent: 4436669 (1984-03-01), Jacques et al.
patent: 4438042 (1984-03-01), Jacques et al.
patent: 4504595 (1985-03-01), Jacques et al.

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