Process for preparing succinonitrile and use of succinonitrile

Details Process for preparing succinonitrile and use of succinonitrile Process for preparing succinonitrile and use of succinonitrile

2008-05-13

2008-05-13

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Nitriles

Reexamination Certificate

active

07371884

ABSTRACT:
The invention relates to a process for preparing succinonitrile by contacting acrylonitrile (ACN) with hydrocyanic acid (HCN) in a reactor in the presence of a tertiary amine. The invention also relates to the use of succinonitrile prepared according to the process of the invention, for preparing diaminobutane. Succinonitrile is prepared by contacting ACN with HCN in the presence of a tertiary amine and a compound chosen from the group consisting of water, aliphatic alcohols, aromatic alcohols, carboxylic acids and mixtures thereof.

REFERENCES:
patent: 2434606 (1948-01-01), Carpenter
patent: 5254738 (1993-10-01), Koehler
patent: 2719867 (1978-11-01), None
Derwent Publications, AN 1975-35215W, English Abstract of JP 50 010848, Apr. 24, 1975.

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