C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 209/48 (2006.01) B01J 23/00 (2006.01) B01J 23/46 (2006.01) B01J 25/00 (2006.01) B01J 27/12 (2006.01) B01J 27/185 (2006.01) B01J 27/26 (2006.01) B01J 31/02 (2006.01) B01J 31/20 (2006.01) C07C 253/30 (2006.01) C07C 255/24 (2006.01)
Patent
CA 2371403
Provided is a selective hydrogenation process for producing aminonitriles by contacting the corresponding dinitriles with a hydrogen-containing fluid in the presence of a hydrogenation catalyst, a solvent and an additive for improving the yield of and/or selectivity to the aminonitrile. The additive comprises a carbon monoxide; a tetraalkylammonium hydroxide compound; a tetraalkylphosphonium hydroxide compound; a multi-centered metal carbonyl cluster; an organic isonitrile; a cyanide compound having at least one cyano group bound to other than a carbon atom; and afluoride compound.
L'invention concerne un procédé d'hydrogénation sélective pour produire des aminonitriles par la mise en contact de dinitriles correspondants avec un fluide contenant de l'hydrogène, en présence d'un catalyseur d'hydrogénation, d'un solvant et d'un additif améliorant le rendement et/ou la sélectivité à l'égard de l'aminonitrile.
Bryndza Henry Edward
Harper Mark J.
Ionkin Alex Sergey
Koch Theodore Augur
Ziemecki Stanislaw Bodgan
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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