Bimetallic Synergic Effect in the Selective Catalytic Hydrogenation of Cinnamaldehyde

Abstract

Abstract: The bimetallic catalysts, PdCl₂0.5 MY-PPh₃ MY=NiCl₂, Ni(OAc)₂, Fe(acac)₃, Co(OAc)₂, Co(acac)₂ or CoCl₂ reduced by NaBH₄, exhibit much higher selectivity in comparison with that of the monometallic Pa catalyst in the selective hydrogenation of cinnamaldehyde to 3-phenylpropanal at 66 ℃ under atmospheric pressure. Astrong synergic effect occurs between Pd and the second metal component for the high selectivity. Among these catalysts, PdCl₂-0.5Co(OAc)₂-PPh₃ reduced by NaBH₄ is the best catalyst.

Key words: Selective hydrogenation, Bimetallic catalysts, 3-Phenylpropanal, Cinnamaldehyde

CLC Number:

O643.1

TrendMD:

ZHANG Yuan-Kui, LIAO Shi-Jian, XU Yun, YU Dao-Rong, JU Shang-Yu, GUAN Zhi-Xia . Bimetallic Synergic Effect in the Selective Catalytic Hydrogenation of Cinnamaldehyde[J]. Chem. J. Chinese Universities, 1998, 19(11): 1823.

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Bimetallic Synergic Effect in the Selective Catalytic Hydrogenation of Cinnamaldehyde

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