Hydroformylation of olefinically unsaturated compounds

Details Hydroformylation of olefinically unsaturated compounds Hydroformylation of olefinically unsaturated compounds

C - Chemistry, Metallurgy

07

C

260/573.2

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

Patent

CA 1157047

O.Z. 0050/034803 Abstract of the Disclosure:A process for hydroformylating olefinically unsaturated compounds by means of rhodium/ triphenylphosphine/carbonyl complexes formed in situ from rhodium acetate, triphenylphosphine and carbon monoxide, wherein the hydroformylation reaction is pre- ceded by a starting phase in which the mixture of the hydroformylation medium, the triphenylphosphine and rhodium acetate is heated at from 90 to 120°C under a CO/H2 pressure of from 5 to 20 bar and the acetic acid liber- ated is discharged from the reactor in gaseous form in a stream of CO and H2, until virtually no more acetic acid can be detected in this gaseous discharge.

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