The activity of Ni/AlPO4, Ni/AlPO4?Al2O3 and Ni/AlPO4?SiO2 catalysts in the hydrogenation of e-cinnamaldehyde |
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| Authors: | J M Campelo A Garcia D Luna and J M Marinas |
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| Institution: | (1) Department of Organic Chemistry, Cordoba Universeioty, Cordoba, Spain |
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| Abstract: | Liquid-phase catalytic hydrogenatio of E-cinnamaldehyde was carried out by using new supported nickel catalysts (Ni/AlPO4, Ni/AlPO4–Al2O3 and Ni/AlPO4–SiO2) in methanol as solvent under low hydrogen pressure (4.1 bar) and 298 K. The kinetic orders are zero in H2 and aldehyde. The selectivity to the hydrogenaton of the C=C double bond is very high (>99%)
                   -       (Ni/AlPO4, Ni/AlPO4–Al2O3 Ni/AlPO4–SiO2)  (4,1 ) 298 .  H2  .  C–C (>90%).
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