STABILITY OF PHOSPHINES UNDER HYDROFORMYLATION CONDITIONS

Article abstract of DOI:10.1016/0022-328X(84)80172-2

Phosphorus-carbon bonds of p-substituted triphenylphosphines were found to be cleaved under hydroformylation conditions in the presence of a rhodium, ruthenium, or cobalt carbonyl.Only p-isomers of the decomposition products (substituted benzaldehyde, benzyl alcohol, and/or biphenyl) were formed.The ability of metal carbonyls to cleave the P-C bonds was Rh > Co > Ru.Tributylphosphine was stable under the conditions.The stability of metal carbonyl-phosphine catalyst systems was also examined and compared with the extent of P-C bond cleavage.