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1.3.1.4 Palladium-Catalyzed Reduction of Monocyclic Arenes to Cycloalkanes

DOI: 10.1055/sos-SD-226-00066

Dai, X.; Shi, F.Science of Synthesis: Catalytic Reduction in Organic Synthesis, (20171134.

In the transformation of monocyclic arenes 12 into cycloalkanes 13, a palladium-substituted polyoxometalate having a Keggin structure supported on active carbon (K5PPdW11O39/C) is used as a catalyst precursor (Scheme 7).[‌34‌] The catalyst system enables fast reduction of arenes at 30 bar hydrogen and 200 °C. Most interesting is the finding that arenes can be selectively reduced in the presence of distal ketone groups under similar conditions. However, aromatic compounds with conjugated ketone moieties undergo complete reduction to saturated hydrocarbons.

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References


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