HYDROFORMYLATION OF 1-OCTENE IN THE PRESENCE OF COBALT ALKYLIDYNECARBONYL CLUSTERS

The hydroformylation of 1-octene in the presence of Co3(CO)9(mu-CR) (R = H, Me, Ph, CO2Me, CO2Et, CO2Pri, CO2But, Cl, Br, OMe) alkylidynecar bonyl clusters, as well as triphenylphosphine derivatives of these com plexes and heteronuclear Co2Ni compounds have been studied. The nature of the catalytically active species in hydroformylation, as well as t he processes of their formation and transformation during the reaction , have been established by means of IR spectroscopy. The effects of th e reaction conditions, the nature of the substituent at the apical car bon atom, the electron donating phosphine substituent, and the substit uent in the metal cluster framework have been discussed.