Abstract
The hydroformylation of olefins with the water soluble complex HRh(CO) [P(m-C6H4SO3Na)3]3 (1) is dependent on the solubility of the olefins in the aqueous phase. In contrast, when the aqueous solution of1 is immobilized on a high surface area silica support the effects of the size of the olefins diminish. The immobilized catalyst1 on silica shows significant water loss but not rhodium leaching. It is proposed that the hydrophilic support holds the water soluble phosphines by hydrogen bonding of the hydrated sodium-sulphonate groups to the surface.
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Horváth, I.T. Hydroformylation of olefins with the water soluble HRh(CO)[P(m-C6H4SO3Na)3]3 in supported aqueous-phase. Is it really aqueous?. Catal Lett 6, 43–48 (1990). https://doi.org/10.1007/BF00764051
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DOI: https://doi.org/10.1007/BF00764051