Abstract
Carbonylrhodium complexes formed during hydroformylation of CH2O from various rhodium precursors were investigated byin situ IR spectroscopy. It was found that under the conditions of the hydroformylation of CH2O inN,N′-dimethylacetamide (DMAA), RhH(CO)(PPh3)3, RhCl(CO)(PPh3)2, RhCl(PPh3)3, RhCl(CO)(PBu3)2, and [RhCl(CO)2]2 form complex systems that necessarily contain anionic complexes, [Rh(CO)2Lx(DMAA)y]− (L = PPh3, PBu3,x = 1 to 2,y = 1 to 0; [Rh(CO)4]−). The participation of ionic structures in the hydroformylation of CH2O, most likely, in the step of the activation of CH2O, was proven by kinetic techniques.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1066–1069, June, 1995.
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Ezhova, N.N., Korneeva, G.A., Kurkin, V.I. et al. Study of hydroformylation of formaldehyde in the presence of rhodium catalysts byin situ IR spectroscopy and the kinetic technique. Russ Chem Bull 44, 1027–1030 (1995). https://doi.org/10.1007/BF00707047
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DOI: https://doi.org/10.1007/BF00707047