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Aldol condensation of butanal in alkaline medium. Comparison of kinetic models

L. Koudelka

Research Institute for Petrochemistry, CS-971 01 Prievidza

 

Abstract:  Kinetic measurements were evaluated and the conclusions were drawn for relative rates of particular steps of the aldol condensation of butanal. Four kinetic models are compared: a semiempirical model of the first-order reaction; a model based on the assumption of constant concentration of carbanion; a model according to which carbanion is an intermediate and its concentration varies with time; a model equal to the preceding one with further assumption of irreversible formation of carbanion. Such a system of equations and rate constants has been selected which depictures the experimental material best and is in agreement with the present theoretical ideas on the operating mechanism.

Full paper in Portable Document Format: 385a637.pdf

 

Chemical Papers 38 (5) 637–647 (1984)

Tuesday, May 28, 2024

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