METHOD OF PRODUCING COMPOUNDS CONTAINING NITRILE FUNCTIONAL GROUPS Russian patent published in 2012 - IPC C07C253/10 C07C255/04 B01J31/18 

Abstract RU 2463293 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing compounds which contain at least one nitrile functional group via hydrocyanation of an organic compound containing 2-20 carbon atoms and at least one unconjugated unsaturated bond, on a reaction with hydrogen cyanide in the presence of a catalyst system. The catalyst system contains a complex of nickel in zero oxidation state with at least one organophosphorus ligand selected from a group comprising organophosphites, organophosphonites, organophosphinites and organophosphines, and a cocatalyst. The method is characterised by that the cocatalyst is an organometallic compound of general formula (I). In formula (I) R1, R2, R3 are alkyl radicals containing 1-6 carbon atoms, substituted or unsubstituted phenyl radicals or halogen atoms; M1 and M2, identical or different, denote elements with valence m1 and m2, respectively, selected from a group comprising zinc, boron, aluminium, cadmium, gallium, indium and tin, wherein M1 and M2 cannot be boron at the same time; X is an element with valence x, selected from a group comprising oxygen, carbon, nitrogen, silicon, sulphur and phosphorus; n is an integer equal to m1-1; p is an integer equal to m2-1; t is an integer equal to x-2.

EFFECT: method enables to achieve acceptable values of linearity of obtained nitriles.

8 cl, 2 tbl, 16 ex

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RU 2 463 293 C2

Authors

Mastrojanni Serdzho

Dates

2012-10-10Published

2009-01-12Filed