METHOD FOR THE PREPARATION OF ALIPHATIC ALPHA, OMEGA-AMINONITRILES - Patent BG63299(B1)

Filed: Jun 17, 1997

Published: Sep 28, 2001

Abstract

The invention relates to the preparation of aliphatic -aminonitriles by partial hydrogenation of aliphatic dinitriles at elevated temperature and higher pressure, in the presence of a solvent and catalyst. Catalyst, containing the following is used: (a) compound based on metal, e.g. nickel, cobalt, iron, ruthenium and rhodium; (b) from 0.01 to 25 wt.% promotor to component (a) based on metal such as palladium, platinum, iridium, osmium, copper, silver, gold, chromium, molybdenum, tungsten, manganese, rhenium, zinc, cadmium, lead, aluminium, tin, phosphorus, arsenic, antimony, bismith, silicon, titanium, zirconium and the rare earth elements, and (c) from 0 to 5 wt.% compound to component (a) based on alkali or alkaliearth metal, provided that component (a) is different from an iron-based compound or from iron, as well as from the metals cobalt, ruthenium or rhodium when component (b) is promotor based on a metal from the group containing titanium, managanese, chromium and molybdenum. An additional condition is that when component (a) is a compound based on ruthenium or rhodium separately, or of ruthenium and rhodium, or of nickel and rhodium, promotor (b) can optionally be dropped. 8 claims

Applicants

BASF AG

Inventors

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

Application Number

101631

Priority Claims

EP9504985

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