Patent ID: 6784308
Filing Date: 2004-08-31
Classification: C07C

Abstract:
A process for the preparation of aromatic nitriles of the formula (I)Arâ€”[CN]nâ€ƒâ€ƒ(I) â€ƒIn which Ar represents a substituted or unsubstituted aromatic radical, and n represents one or two, comprising reacting(a) an aromatic compound of the formula (II), Arâ€”[X]nâ€ƒâ€ƒ(II) â€ƒIn which Ar and n have the above-mentioned meaning for formula (I), and X each independently of one another represents chlorine, bromine, iodine or a perfluoroalkylsulfonyloxy radical with (b) one or more alkali metal cyanides, in the presence of(c) a palladium catalyst and (d) zinc and (e) one or more polyethers.