摘要 |
<p>Accordingly, a process is provided for the hydroformylation of ethylenically unsaturated compounds having at least 4 carbon atoms by reaction thereof with carbon monoxide and hydrogen in the presence of a solvent and a catalyst system obtainable by combining: a) a source of Group VIII metal cations; b) a source of anions; and c) a source of phosphine ligands, wherein the solvent is a C1 to C10 alkane or alkene having two or more cyano groups attached.</p> |