Ruthenium Catalyzed Hydrogenation of Aldehyde with
Synthesis Gas
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Abstract
The hydrogenation of aldehyde utilizing
synthesis gas as a dihydrogen
source was examined with various ruthenium catalysts, among which
Ru–cyclopentadienone complexes (Shvo-type catalysts) exhibited
higher activity than others. DFT calculations proved that the exchange
of coordinated carbon monoxide by dihydrogen is relatively preferable
in Shvo-type catalysts compared to others, which is a pre-equilibrium
for the generation of the hydrogenation-active species