Asc. Chan et al., HOMOGENEOUS CATALYTIC HYDROFORMYLATION OF VINYLARENES - A SELECTIVE RHODIUM DIPHOSPHINE CATALYST SYSTEM FOR HIGHER BRANCHED LINEAR PRODUCT RATIOS/, Journal of the Chemical Society, Chemical Communications, (19), 1995, pp. 2031-2032
A rhodium diphosphine catalyst containing electron-withdrawing substit
uents on the ligand is highly regioselective in the hydroformylation o
f vinylarenes giving high branched/linear product ratios.