HYDROGENATION OF α,β-UNSATURATED ALDEHYDE TO UNSATURATED ALCOHOL CATALYZED BY RHODIUM COMPLEX
- 5 September 1975
- journal article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 4 (9) , 943-946
- https://doi.org/10.1246/cl.1975.943
Abstract
α-Methyl-cinnamaldehyde, cinnamaldehyde, and croton aldehyde are hydrogenated to the corresponding unsaturated alcohols with a fairly high selectivity by use of RhCl3·3H2O or Rh2(CO)4Cl2 catalyst in tertiary amine-benzene solution under an oxo-reaction condition. A catalytic amount of triphenylphosphine to this catalyst system substantially retards the hydrogenation of –CHO giving saturated aldehyde.Keywords
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