CONVERSION AND SELECTIVITY IN HYDROFORMYLATION OF HEX-1-EN WITH SILICA-GEL-SUPPORTED, SILICA-ALUMINA-GEL-SUPPORTED AND ALUMINA-OXIDE-SUPPORTED DICOBALT OCTACARBONYL AND CYCLOPENTADIENYLCOBALT DICARBONYL

The catalytic influence of silica-gel-, silica-alumina-gel- and alumina-oxide-supported Co2(CO)8 and CpCo(CO)2 on the conversion and selectivity in hydroformylation of hex-1-en has been studied at 353 K under 120 bar syngas pressure in acetonitrile. The support systems were prepared by impregnation Of SiO2 (Grace), SiO2/4 % Al2O3 (Kali Chemie), SiO2/11 % Al2O3 (Kali Chemie) and Al2O3 (Kali Chemie) using Co2(CO)8 and CpCo(CO)2 Solutions in pentane, dichlormethane and 2-chlorpropane. The results are discussed with regard to some measured relevant support characteristics. The turn over numbers especially those of silica-gel- and silica-alumina-gel supported Co2(CO)8 and CpCo(CO)2 show positive effects in relation to a heterogeneous catalytic process within these reactions.