Journal
CHEMCATCHEM
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.202300394
Keywords
chemoselectivity; homogeneous catalysis; renewable feedstock
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The reduction of esters and aldehydes to alcohols is an important reaction in the chemical industry. The behavior of three commercially available Ru-catalysts for the hydrogenation of these feedstocks is reported. Selective hydrogenation of the ester or aldehyde functionality while keeping the C=C double bond intact is possible, and mild reaction conditions and a sustainable solvent are suitable for these catalytic hydrogenations.
The reduction of esters and aldehydes to alcohols is an important reaction in the chemical industry to produce a wide range of bulk and fine chemicals. Herein, the unexpected behavior of three state-of-the-art, commercially available Ru-catalysts for the hydrogenation of these feedstocks is reported. For ester and aldehydes containing a C=C bond, it was possible to carry out the selective hydrogenation of the ester or aldehyde functionality while keeping the C=C double-bond essentially untouched. Furthermore, it is demonstrated that these substrates can be reduced under very mild reaction conditions (as low as 40 degrees C and 5 bar of H-2) and that anisole, a solvent with a high sustainability rank, is suitable for these catalytic hydrogenations.
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