Process for preparing aliphatic alpha-, omega-aminonitriles - Patent CZ288943(B6)

Filed: Dec 16, 1995

Published: Oct 17, 2001

Abstract

In the present invention there is disclosed a process for the preparation of aliphatic alpha, omega-aminonitriles of the general formula II NC-(CHi)in-CHi2-Nhi2, wherein n is an integer from 1 to 10, by partial hydrogenation of aliphatic alpha-omega-dinitriles of the general formula NC-(CHi2)in-CN, in which n is as specified above at a temperature ranging from 30 to 160 degC and super-atmospheric pressure ranging from 2 to 40 MPa in the presence of a solvent and of a catalyst, which comprises contains (a) at least one metal-based compound being selected from a group comprising nickel, cobalt, iron, ruthenium and rhodium and from 0.01 to 25 percent by weight, based on (a), of at least one promoter based on a metal selected from the group consisting of palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminum, tin, phosphorus, arsenic, antimony, bismuth, silicon, titanium, zirconium and rare earth metal

Applicants

BASF AG

Inventors

REHFINGER ALWIN DR
WITZEL TOM DR
FISCHER ROLF DR
FLICK KLEMENS DR
EBEL KLAUS DR
HARDER WOLFGANG DR
SCHNURR WERNER DR
MELDER JOHANN PETER DR

Application Number

1997 1976

Priority Claims

DE4446893

Family Members

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Classification Codes

B01J27/18, C07C255/24, C07C253/00, B01J23/76, C07C253/30, C07C255/00, B01J23/89, B01J23/889, C07B61/00, B01J27/14