Invista North America S.a.r.l.

Rhodia Operations

Invista Technologies S.a.r.l.

Jonathan Hopewell

Sergio Mastroianni

Paul Gerard Pringle

Michael Garland

Paul Pringle

The present invention relates to a method for the hydrocyanation of organic ethylenically unsaturated compounds including at least one nitrile function. The invention specifically relates to a method for the hydrocyanation of a hydrocarbon compound including at least one ethylenic unsaturation by a reaction with hydrogen cyanide in a liquid medium and in the presence of a catalyst including a metal element selected from the transition metals and an organophosphorous ligand, the organophosphorous ligand including a compound of general formula (I), where Rand R, which are identical or different, are a linear or branched alkyl radical having 1-12 carbon atoms, which can include heteroatoms, or an optionally substituted aromatic or cycloaliphatic radical that can include heteroatoms, wherein the covalent bond between P and R, and that between P and R, are P&#x2014;C bonds. 

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Wakefield, United Kingdom

Jonathan Hopewell