Pwnm. Vanleeuwen et al., SOLUTION STRUCTURES OF HYDRIDO-RHODIUM DIPHOSPHITE HYDROFORMYLATION CATALYSTS, Recueil des travaux chimiques des Pays-Bas, 113(1), 1994, pp. 61-62
The NMR spectroscopy data for five hydroformylation catalysts RhH(CO)2
(P-P) (P-P = diphosphite bidentate ligand) are reported and interprete
d in terms of equatorial and axial coordination of the phosphorus and
carbon monoxide ligands in a trigonal bipyramidal structure.