| abstract |
The present invention provides a composition of 2 to 5 selected from the group consisting of (a) iron or iron based compounds or mixtures thereof, and (b) 0.01 to 5% by weight of aluminum, silicon, zirconium, titanium and vanadium based on (a). Partial hydrogenation of aliphatic alpha, omega-dinitriles in the presence of an element based promoter and (c) a catalyst used for partial hydrogenation comprising 0 to 5% by weight of compounds based on alkali or alkaline earth metals, based on (a). It provides a process for the preparation of aliphatic alpha, omega-amino nitrile. |