Patent ID: 8697902
Filing Date: 2014-04-15
Classification: B01J,C07C

Abstract:
1. A process for the hydrocyanation of a hydrocarbon-based compound having at least one site of ethylenic unsaturation comprises reaction thereof, in a liquid medium, with hydrogen cyanide in the presence of a catalyst comprising a metal element selected from among the transition metals and at least one organophosphorus ligand, wherein said at least one organophosphorus ligand comprises at least one compound having the general formula (I): in which: Z is an aromatic or non-aromatic, substituted or unsubstituted, 5- or 6-atom cyclic moiety containing a nitrogen or sulfur atom and the bond with the phosphorus atom is borne by the carbon in the alpha-position with respect to the heteroatom, n is an integer ranging from 1 to 3, m is an integer ranging from 0 to 5, and R1 is a hydrogen atom, a linear or branched alkyl radical, that may contain heteroatoms, having from 1 to 12 carbon atoms, a substituted or unsubstituted aromatic or cycloaliphatic radical that may comprise heteroatoms, a carbonyl, alkoxycarbonyl or alkoxy radical, a halogen atom, a nitrile group or a haloalkyl radical having from one to 12 carbon atoms.