Abstract

Platinum–phosphine complexes anchored on silica and on mesoporous MCM-41 supports were synthesized. Hydroformylation of 1-hexene was performed at 100 °C in supercritical carbon dioxide (pressure=2700 psi) using these supported platinum catalysts with SnCl 2 · 2H 2O (Sn:Pt=3.5:1) as co-catalyst. No hydrogenation was observed and high regioselectivity to heptanal was obtained.

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