METHOD OF PREPARING ALIPHATIC ALPHA, OMEGA-AMINOTRILES - Patent RU2154630(C2)

Filed: Dec 16, 1995

Published: Aug 20, 2000

Abstract

organic chemistry. SUBSTANCE: described is method of preparing alpha, omega-aminonitrilese by partial hydrogenation of aliphatic alpha, omega dinitriles at elevated temperature and elevated pressure in the presence of solvent and catalyst. Method comprises using catalyst comprising (a) compound based on metal selected from group consisting of nickel, cobalt, and iron; (b) from 0.01 to 25, preferably from 0.1 to 5 wt % based on (a) promotor selected from group consisting of copper, molybdenum, manganese, aluminium, phosphorus, silicon and also (c) up to 5, preferably from 0.1 to 3 wt % based on (a) compound based on alkali or alkaline-earth metal provided that component (a) is not iron and cobalt-based compound if (b) is promoter based on metal selected from group consisting of manganese and molybdenum. Method makes it possible to prepare alpha, omega aminonitriles having good selectivity. The claimed catalyst have long service life. EFFECT: more efficient preparation method. 6 cl, 6 ex, 1 tbl

Applicants

BASF AG

Inventors

VERNER SHNURR
ALVIN REHFINGER
KLAUS EHBEL
JOGANN-PETER MEL DER
ROL F FISHER
KLEMENS FLIK
TOM VITTSEL
VOL FGANG KHARDER

Application Number

97112897/04

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