EFFECT OF THE STRUCTURE OF SUBSTITUTED PROPARGYL AND ALLYL ALCOHOLS ON THE RATE OF THEIR LIQUID PHASE HYDROGENATION ON A Pd-Ru ALLOY MEMBRANE CATALYST
The rates of hydrogenation of substituted propargyl and allyl alcohols in the liquid phase on a Pd-Ru alloy membrane catalyst are described by a two-parameter Taft equation which takes into account the inductive and steric effects of the substituents.The values of the parameters at 363 K with H2 at atmospheric pressure are: ρ* = -0.20, δ = 0.10 and ρ+ = -1.1, δ = 1.3 respectively.
Karavanov, A. N.,Gryaznov, V. M.
p. 1593 - 1596
(2007/10/02)
ALKYL METAL ASYMMETRIC REDUCTION. 11. THE REACTION OF α,β-UNSATURATED KETONES WITH β-BRANCHED TRIALKYLALUMINIUM COMPOUNDS.
The reduction of a series of α,β-unsaturated ketones has been studied under various experimental conditions, by using β-branched trialkylalanes.Asymmetric induction phenomena are observed when optically active trialkylalanes are used.
Giacomelli, Giampaolo,Caporuso, Anna Maria,Lardicci, Luciano
p. 3663 - 3666
(2007/10/02)
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