Rhodium nanoparticles supported on phosphorus-doped carbon
(Rh/PC)
are successfully prepared by the ball-milling method with sodium hypophosphite
as the phosphorus source. The catalyst exhibits superb conversion
(93.6%) and high regioselectivity (branched aldehydes/linear aldehydes
= 20.2:1) for the hydroformylation of styrene compared to the phosphorus-free
(Rh/C) and metal-free (PC) catalysts.
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