C. Abugnim et I. Amer, PHOSPHINE VS PHOSPHINE OXIDE LIGANDS IN HYDROFORMYLATION REACTIONS, Journal of the Chemical Society, Chemical Communications, (1), 1994, pp. 115-117
In the hydroformylation of styrene catalysed by rhodium complexes, mix
ed amino phosphine oxide ligands show high reactivity and selectivity
for the formation of the branched aldehyde.