Journal
APPLIED CATALYSIS A-GENERAL
Volume 192, Issue 2, Pages 247-251Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0926-860X(99)00400-7
Keywords
selective hydrogenation; bimetallic catalysts; hydrocinnamaldehyde; cinnamaldehyde
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The catalytic selectivity and activity of the catalyst PdCl2 can be improved significantly by using PPh3 as a ligand and NaBH4 as a reducing agent in the selective hydrogenation of cinnamaldehyde (CAL) to hydrocinnamaldehyde (HCAL) under atmospheric pressure. Adding a second transition metal component [NiCl2, Ni(OAc)(2), Fe(acac)(3), Co(OAc)(2)] to the catalyst can improve its selectivity further. PdCl2-0.5Co(OAc)(2)-PPh3 reduced by NaBH4 is the best catalyst. (C) 2000 Elsevier Science B.V. All rights reserved.
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