Gold supported on iron oxide hydrogenates citral (an alpha,beta-unsaturated aldehyde) to the corresponding alpha,beta-unsaturated alcohols (geraniol and nerol) with a selectivity higher than 95%.

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HydrogenationHydrogenation O 0220 First Example of Selective Hydrogenation of Unconstrained α,β-Unsaturated Ketone to α,β-Unsaturated Alcohol by Molecular Hydrogen. -Gold supported on Fe2O3 proves to be an appropriate catalyst for the selective hydrogenation of α,β-unsaturated ketones having an unhindered carbonyl group [cf. (I)] to corresponding α,β-unsaturated alcohols. -(MILONE, C.; INGOGLIA, R.; TROPEANO, M. L.; NERI, G.; GALVAGNO*, S.; Chem. Commun. (Cambridge) 2003, 7, 868-869; Dep. Ind. Chem. Mater Eng., Univ. Messina, I-98166 Messina, Italy; Eng.) -M. Schroeter 30-063

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