C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/04 (2006.01) B01J 31/18 (2006.01) C07C 253/10 (2006.01) C07C 255/04 (2006.01) C07F 9/6574 (2006.01)
Patent
CA 2186357
Catalyst compositions comprising zero-valent nickel and a monodentate phosphite ligand of formula (I) are provided, with a process for the hydrocyanation of monoolefins using these compositions in the presence of a Lewis acid promoter, wherein R is (a) or (b); each R1, independently, is H, C1- 8 alkyl or OR2; R2, independently, is C1-8 alkyl; and R3 is H, C1-8 alkyl or OR2.
Compositions de catalyseur comprenant du nickel de valence zéro ainsi qu'un ligand de phosphite monodenté de la formule (I), dans laquelle R représente (a) ou (b), chaque R?1¿ représentant indépendamment H, alcoyle C¿1-8? ou OR?2¿; R?2¿ représente alcoyle C¿1-8? et R?3¿ représente H, alcoyle C¿1-8? ou OR?2¿. L'invention concerne également un procédé de cyanhydratation de mono-oléfines utilisant ces compositions, en présence d'un promoteur à base d'acide de Lewis.
Tam Wilson
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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