Russian Chemical Bulletin p. 69 - 73 (1995)
Update date:2022-08-17
Topics:
Ezhova, N. N.
Korneeva, G. A.
Slivinsky, E. V.
Aronovich, R. A.
Hydroformylation of formaldehyde to give glycolaldehyde (GA) in the presence of RhCl(PPh3)3, RhCl(CO)(PPh3)2, or the RhCl3 + PPh3 system in N,N-dimethylacetamide was studied.The hydroformylation is accompanied by the Cannizzaro-Tishchenko reaction, condensation of CH2O with GA to give C3-C16 polyoxyladehydes (POA), and dimerization of GA.THe formation of POA, which probably occurs through coordination of GA with a Rh atom, predominates among the side reactions.The optimum conditions for hydroformylation of CH2O were found to be: RhCl3 + PPh3 as the catalyst, T = 383 K, pCO+H2 >/= 12 MPa,
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