| abstract |
ABSTRACT Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst. Process for the carbonylation of olefinically unsaturated compounds with carbon monoxide in the presence of a hydroxyl-group-containing compound, a palladium catalyst, an organic phosphine, an acid with a pKa value < 2, with the exception of halogen acids and carboxylic acids, as promoter, and a catalyst stabilizer according to formulae II and III as specified and catalyst systems used in said process. |