A base-free, acceptorless dehydrogenative coupling of ethanol to ethyl acetate is presented. By using the pincer complex (PhPNP)RuH(BH4)(CO) (0.25 mol%) in the presence of m-xylene as the co-solvent, the catalysis proceeds with up to >99% conversion and >99% yield after 24 h at 120 °C. A scaled-up reaction is also effective under similar conditions.
Z. Ni, R. Padilla, R. Pramanick, M. S. B. Jørgensen and M. Nielsen, Dalton Trans., 2023, 52, 8193 DOI: 10.1039/D3DT00862B
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