Palladium catalysts containing sulfonated bisphosphines as ligands, process for their preparation and their use in carbonylation reactions
AssigneeHoechst Aktiengesellschaft
InventorsChristian Kohlpaintner, Matthias Beller
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Abstract
The invention relates to palladium compounds containing as ligands compounds of the formula (I) ##STR1## where Ar is C.sub.6 H.sub.4 SO.sub.3 M, M is hydrogen, ammonium, a monovalent metal or one equivalent of a polyvalent metal and Ph is the phenyl radical and n, m are zero, 1 or 2 and x, y, u, v are zero, 1 or 2.
Claims18
A palladium compound containing as ligands compounds of the formula (I) ##STR3## where Ar is C.sub.6 H.sub.4 SO.sub.3 M, M is hydrogen, ammonium, a monovalent metal or one equivalent of a polyvalent metal and Ph is the phenyl radical and n, m are zero, 1 or 2 and x, y, u, v are zero, 1 or 2.
A catalyst for carbonylation reactions comprising a palladium compound containing as ligands compounds of the formula (I) ##STR4## where Ar is C.sub.6 H.sub.4 SO.sub.3 M, M is hydrogen, ammonium, a monovalent metal or one equivalent of a polyvalent metal and Ph is the phenyl radical and n, m are zero, 1 or 2 and x, y, u, v are zero, 1 or 2.
Dependencies are inferred from the claim text.