Method for increasing the number of exchange (ton) of a system of catalyst

摘要

'' method for increasing the number of exchange (ton) of a system of catalyst ''. A method for increasing the ton of a system of catalyst for the monocarbonilau00e7u00e3o etilenicamente unsaturated compounds using carbon in the presence of a co reagent, other than water or a source thereof, having a mobile hydrogen atom is described.The catalyst system is obtainable by combining: (a) a metal of groups (8,9) or (10) or a compound adapting the same; (b) a ligand of general formula (I) in which the groups x ^ 3 ^ and x ^ 4 ^ independently represent radicals univalent atoms or up to 30 x ^ 3 ^ and x ^ 4 ^ together form A divalent radical of up to 40 atoms and x ^ 5 ^ has up to 400 atoms; Q ^ 1 ^ is phosphorus.Arsenic or antimony; and (c) optionally, a source of anions. The method includes the step of adding water or a source thereof to the system of catalyst. The method is preferably carried out in the presence of a metal eletropositivo