abstract |
Process for the carbonylation of olefins with CO in the presence of water, an alcohol and/or a carboxylic acid in the presence of a catalyst composition based onn a) a Pd compound, b) a protonic acid, and c) a phosphine PR¹R²R³ in which R¹ is a heterocyclic ring having 5-6 atoms and containing1 hetero N atom and R² and R³ are R¹ or an aryl group. |