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This paper focuses on the catalysis of the hydroformylation of aliphatic olefins and aromatic olefins using the multi-faceted cobalt–rhodium heterobimetallic nanoparticle (Co2Rh2). The Co2Rh2 nanocatalyst retained its catalytic activity, allowing for 5 cycles through the reaction.
Rhodium trichloride supported on Ti-hexagonal mesoporous silica (Ti-HMS), via a bipyridyl group, is an efficient catalyst for the hydroformylation of olefins at 120 °C and 40.8 atm of CO/H2 (CO/H2=2/1). The catalyst is selective leading to high ratios of linear or branched aldehydes from functionalized olefins, and high activity in the case of propene which gave a turnover frequency of 6209 mol/mol(Rh)/h.
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