Ruthenium-Catalyzed Oxidation
of Allyl Alcohols with
Intermolecular Hydrogen Transfer: Synthesis of α,β-Unsaturated
Carbonyl Compounds
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Abstract
Ruthenium-catalyzed
oxidation of multisubstituted allyl alcohols
in the presence of benzaldehyde gives enals or enones in good yields.
Unlike the commonly reported ruthenium-catalyzed isomerization reaction
of allyl alcohols to give saturated ketones, an intermolecular rather
than intramolecular hydrogen transfer is involved in this transformation.
This reaction offers an efficient, mild, and high-yielding method
for the preparation of substituted α,β-unsaturated compounds
