Patent ID: 6380421
Filing Date: 2002-04-30
Classification: C07C,C07F

Abstract:
A hydrocyanation process comprising; reacting an acyclic, aliphatic, monoethylenically unsaturated compound in which the ethylenic double bond is not conjugated to any other olefinic group in the molecule with a source of HCN in the presence of a catalyst composition comprising a Lewis acid, a zero-valent nickel and at least one multidentate phosphite ligand selected from the group represented by the following formulae I II or III: whereinR1 is independently C1 to C18 primary or secondary alkyl; R2 is independently aryl or substituted aryl; R3 is independently aryl or substituted aryl; R4 is independently C1 to C18 primary alkyl; R5 is hydrogen; R6 is independently aryl or substituted aryl; R7 is independently C1 to C18 primary or secondary alkyl; R8 is independently C1 to C18 primary or secondary alkyl; R9 is independently C1 to C18 primary or secondary alkyl; and wherein other positions on the aromatic rings may also be substituted with alkyl, ether or ester groups, or combinations of two or more thereof.