Reduction of catalyst deactivation in processes for...

Details Reduction of catalyst deactivation in processes for... Reduction of catalyst deactivation in processes for...

C - Chemistry, Metallurgy

07

C

260/573.2

C07C 47/02 (2006.01) C07C 45/50 (2006.01)

Patent

CA 1084946

Abstract of the Invention In a process for hydroformylating an olefin in the presence of a catalyst comprising rhodium in complex combination with carbon monoxide and a triorganophosphorus ligand, progressive deactivation of the catalyst, as well as loss of the ligand species through by-product formation, are reduced by continuously stripping the liquid reaction medium to a degree such that the content of high-boiling organophosphorous by-products therein is maintained at a low level such that the ratio of phosphorous contained in said high-boiling by-products to phosphorous contained in the ligand present in the reaction medium does not exceed about O.Z.

277763

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