2021
DOI: 10.9767/bcrec.16.2.10398.267-279
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The Promotion Effect of Cu on the Pd/C Catalyst in the Chemoselective Hydrogenation of Unsaturated Carbonyl Compounds

Abstract: Highly efficient and selective hydrogenation of a,b-unsaturated carbonyl compounds to unsaturated alcohol using bimetallic palladium-copper supported on carbon (denoted as Pd-Cu(3.0)/C; 3.0 is Pd/Cu molar ratio) catalyst is demonstrated. Pd-Cu(3.0)/C catalyst was prepared via a simple hydrothermal route under air atmosphere at 150 °C for 24 h followed by reduction with hydrogen at 400°C for 1.5 h. The chemoselective hydrogenation of typical a,b-unsaturated carbonyl ketone (2-cyclohexene-1-one) and aldehyde (tr… Show more

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“…In this regard, Damayanti et al reported the use of bimetallic Pd−Fe/TiO2 catalyst for the hydrogenation of levulinic acid (LA) to −valerolactone (GVL) at 170  C, 3.0 MPa H2 for 7 h. Bimetallic Ni−Sn(1.5)/TiO2 catalyst showed high yield of lauryl alcohol at (97%) at >99% conversion of lauric acid at 160  C, 3.0 MPa H2 for 20 h [40]. Additionally, in our recent published work, we reported that the promotion effect of Cu in bimetallic Pd−Cu/C catalyst greatly increased the affinity of Pd−Cu toward hydrogenation of carbonyl group of unsaturated compounds, leading to high selectivity of unsaturated alcohols [41].…”
Section: Introductionmentioning
confidence: 81%
“…In this regard, Damayanti et al reported the use of bimetallic Pd−Fe/TiO2 catalyst for the hydrogenation of levulinic acid (LA) to −valerolactone (GVL) at 170  C, 3.0 MPa H2 for 7 h. Bimetallic Ni−Sn(1.5)/TiO2 catalyst showed high yield of lauryl alcohol at (97%) at >99% conversion of lauric acid at 160  C, 3.0 MPa H2 for 20 h [40]. Additionally, in our recent published work, we reported that the promotion effect of Cu in bimetallic Pd−Cu/C catalyst greatly increased the affinity of Pd−Cu toward hydrogenation of carbonyl group of unsaturated compounds, leading to high selectivity of unsaturated alcohols [41].…”
Section: Introductionmentioning
confidence: 81%