Catalyzed vapor phase hydrocyanation of diolefinic compounds

C - Chemistry – Metallurgy – 07 – C

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C07C 255/04 (2006.01) B01J 31/18 (2006.01) C07C 253/10 (2006.01) C07C 255/07 (2006.01)

Patent

CA 2200700

A catalyzed vapor phase process for the hydrocyanation of acyclic diolefinic compounds to olefinic nitriles in which the olefinic double bond is not conjugated to the triple bond of the cyano group, wherein a catalyst composition comprising at least one bidentate phosphite ligand and zero-valent nickel is used.

L'invention concerne un procédé de catalyse en phase vapeur pour l'hydrocyanuration de composés dioléfiniques acycliques en nitriles oléfiniques dont la double liaison oléfinique n'est pas conjuguée à la triple liaison du groupe cyano; on utilise dans ce procédé un catalyseur dont la composition comprend au moins un ligand de phosphite bidenté et du nickel de valence zéro.

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