System suitable for the hydrocyanation of olefinically...

Details System suitable for the hydrocyanation of olefinically... System suitable for the hydrocyanation of olefinically...

B - Operations, Transporting

01

J

B01J 27/14 (2006.01) B01J 27/18 (2006.01)

Patent

CA 2520571

A system suitable for use as a catalyst for the hydrocyanation of olefinically unsaturated compounds, containing a) Ni(0), b) Ni(0) as a ligand complex- fixing compound containing trivalent phosphorus, c) a Lewis acid and d) a compound of formula MRn wherein M = AI or Ti, R= identical or different monovalent alkoxyl radicals, wherein several alkoxy radicals can be interbridged, also in the case where M = AI, R = identical or different alkyl radicals wherein several alkyl radicals can be interbridged or one or several alkyl radicals can be bridged by one or several of the above-mentioned alkoxy radicals, n = valency of M. The invention also relates to methods for the hydrocyanation of an olefinically unsaturationed compound in the presence of said system.

L'invention concerne un système approprié comme catalyseur pour l'hydrocyanation de composés oléfiniquement insaturés, ledit système contenant a) Ni(0) ; b) un composé contenant du phosphore trivalent, faisant office d'agent complexant et approprié comme ligand pour Ni(0) ; c) un acide de Lewis ; et d) un composé de formule MR¿n?, dans laquelle M représente Al ou Ti ; R représente des restes alcoxy monovalents identiques ou différents, plusieurs restes alcoxy pouvant être pontés entre eux, en outre au cas où M représente Al, R représente des restes alkyle monovalents identiques ou différents, plusieurs restes alkyle pouvant être pontés entre eux ou un ou plusieurs restes alkyle pouvant être pontés avec un ou plusieurs des restes alcoxy mentionnés ci-dessus ; n représente la valence de M. L'invention concerne également des procédés pour l'hydrocyanation d'un composé oléfiniquement insaturé en présence d'un tel système.

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