Patent ID: 6297394
Filing Date: 2001-10-02
Classification: B01J,C07C

Abstract:
A process for producing alpha, omega-aminonitriles and alpha, omegadiamines by the hydrogenation of alpha, omega-dinitriles in the presence a catalyst, which comprises using a catalyst comprising(a) iron or a compound based on iron or mixtures thereof,(b) from 0.001 to 0.3% by weight based on (a) of a promoter based on 2, 3, 4 or 5 elements selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium,(c) from 0 to 0.3% by weight based on (a) of a compound based on an alkali and/or alkaline earth metal, and also(d) from 0.001 to 1% by weight based on (a) of manganese.