Herein we describe the first homogeneous non-noble metal catalyst for the hydrogenation of CO to methanol. The catalyst is formed in situ from [Co(acac) ], Triphos, and HNTf and enables the reaction to be performed at 100 °C without a decrease in activity. Kinetic studies suggest an inner-sphere mechanism, and in situ NMR and MS experiments reveal the formation of the active catalyst through slow removal of the acetylacetonate ligands.
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