Process for the separation of triphenylphosphine rhodium halide

Details Process for the separation of triphenylphosphine rhodium halide Process for the separation of triphenylphosphine rhodium halide

1978-09-29

1980-08-19

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

75109, 252413, 252414, 423 22, B01J 3140, B01J 3124, B01J 2396, C07B 100

Patent

active

042183367

ABSTRACT:
The present invention provides a process for the separation of a triphenylphosphine rhodium halide catalyst from a polar, organic solution which contains other substances hydrogenated by means of homogeneous catalysts and hydrogen, comprising adding to the solution a solid adsorption agent and a reducing agent with a redox potential of less than about -0.1 volt, allowing the mixture to react and, after completion of the reaction, separating the adsorption agent with the adsorbed rhodium from the solution.

REFERENCES:
patent: 3545963 (1970-12-01), Wakamatsu et al.
patent: 4131640 (1978-12-01), Von Kuterow et al.

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